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Dr. Antonio Sanchez-Oliver
Universidad de Sevilla

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0 Obesity
0 Sport Nutrition
0 exercise and health
0 Sport Supplements
0 Healthy Habits

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Journal article
Published: 03 March 2021 in Children
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Sleep is a vital element of adolescents’ overall health; it influences their body and mind and thus affects their quality of life. Adequate sleep quality and duration are essential for maintaining optimal metabolic health and lowering the risk of developing several medical conditions, such as cardiovascular disease. The current study aimed to assess the perceived sleep quality and duration of 1717 European adolescents from three different European countries (Spain, Iceland and Estonia) aged 13- to 16-years (900 boys, 817 girls) using the Pittsburgh Sleep Quality Index (PSQI). A multivariate analysis of variance (MANOVA) was performed to examine differences between groups and two-factor analysis of variance (ANOVA) was used to analyze city and age differences. The probability of having poor sleep quality and duration was calculated by Odd-Ratio (OR). Our study found poor sleep quality in 44% of the boys and 53% of the girls, whereas 68% and 69%, respectively did not get the recommended hours of sleep (i.e., 8–10 h). No difference was found between adolescents from Estonia, Iceland and Spain regarding sleep duration. In contrast, Spanish and Estonian adolescents reported higher probabilities of having poor sleep quality. Finally, girls had a significantly higher probability of poor sleep quality than boys.

ACS Style

Pablo Galan-Lopez; Raúl Domínguez; Thordis Gísladóttir; Antonio Sánchez-Oliver; Maret Pihu; Francis Ries; Markos Klonizakis. Sleep Quality and Duration in European Adolescents (The AdolesHealth Study): A Cross-Sectional, Quantitative Study. Children 2021, 8, 188 .

AMA Style

Pablo Galan-Lopez, Raúl Domínguez, Thordis Gísladóttir, Antonio Sánchez-Oliver, Maret Pihu, Francis Ries, Markos Klonizakis. Sleep Quality and Duration in European Adolescents (The AdolesHealth Study): A Cross-Sectional, Quantitative Study. Children. 2021; 8 (3):188.

Chicago/Turabian Style

Pablo Galan-Lopez; Raúl Domínguez; Thordis Gísladóttir; Antonio Sánchez-Oliver; Maret Pihu; Francis Ries; Markos Klonizakis. 2021. "Sleep Quality and Duration in European Adolescents (The AdolesHealth Study): A Cross-Sectional, Quantitative Study." Children 8, no. 3: 188.

Journal article
Published: 12 January 2021 in International Journal of Environmental Research and Public Health
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Objective: The aim of this study was to investigate the effects of caffeine supplementation on: (i) psychological responses of subjective vitality and mood; (ii) performance through a Wingate test; and (iii) rate of perceived exertion (RPE) reported after a Wingate test. Methods: Fifteen male participants (22.60 ± 2.16 years) ingested 6 mg·kg-1 of caffeine or placebo (sucrose) supplementation in two experimental sessions. After 60 min from supplement intake, participants fulfilled two questionnaires, which measured subjective vitality and mood state, respectively. Subsequently, participants’ performance was assessed through a Wingate test, which was followed by measurements of RPE at general, muscular, or cardiovascular level. Results: Caffeine supplementation increased some components of mood, as assessed by profile of mood states (POMS) (tension and vigor dimensions) and subjective vitality profiles, which were followed by a greater maximum power, average power, and lower time needed to reach maximum power during the Wingate test. Moreover, lower RPE, both at muscular and general levels were reported by participants after the Wingate test. Conclusions: These results suggest that caffeine supplementation exerts positive effects both in psychological and physical domains in trained subjects.

ACS Style

Raúl Domínguez; Pablo Veiga-Herreros; Antonio Jesús Sánchez-Oliver; Juan José Montoya; Juan José Ramos-Álvarez; Francisco Miguel-Tobal; Ángel Lago-Rodríguez; Pablo Jodra. Acute Effects of Caffeine Intake on Psychological Responses and High-Intensity Exercise Performance. International Journal of Environmental Research and Public Health 2021, 18, 584 .

AMA Style

Raúl Domínguez, Pablo Veiga-Herreros, Antonio Jesús Sánchez-Oliver, Juan José Montoya, Juan José Ramos-Álvarez, Francisco Miguel-Tobal, Ángel Lago-Rodríguez, Pablo Jodra. Acute Effects of Caffeine Intake on Psychological Responses and High-Intensity Exercise Performance. International Journal of Environmental Research and Public Health. 2021; 18 (2):584.

Chicago/Turabian Style

Raúl Domínguez; Pablo Veiga-Herreros; Antonio Jesús Sánchez-Oliver; Juan José Montoya; Juan José Ramos-Álvarez; Francisco Miguel-Tobal; Ángel Lago-Rodríguez; Pablo Jodra. 2021. "Acute Effects of Caffeine Intake on Psychological Responses and High-Intensity Exercise Performance." International Journal of Environmental Research and Public Health 18, no. 2: 584.

Journal article
Published: 22 December 2020 in Foods
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Purpose: the aim of the present study was to analyse the pattern of dietary supplements (DS) consumption on federated rugby players, including the analysis of differences based on the sex and competitive level (professional vs. amateurs). Material and methods: 144 rugby players (83 male and 61 female), of whom 69 were professionals and 75 amateurs, were recruited for the study. All the participants filled out a specific questionnaire about DS consumption including questions related to the consumption of DS and their effects on sport performance and health status. Results: 65.3% of participants declared consuming at least one DS, with a higher prevalence in males than females (77.1% vs. 49.2%) and in professionals thanin amateur players (79.7% vs. 52.0%). The main reason for consumption was to enhance sport performance (62.3%) with differences only based on sex (74.3% males vs. 43.2% females). The most common purchase sites were the Internet (45.6%) and specialised stores (39.8%). As to the moment of ingestion, professionals did this most frequently during competition and training (56.4% vs. 28.2%), whereas amateur players did so only during competition (20.5% vs. 3.6%). Moreover, professional player intake most frequently in post-exercise (65.5% vs. 35.9%), whereas amateur during pre-exercise (30.8% vs. 5.5%). The DS most consumed included whey protein (44%), caffeine (42%), sports drinks (38%), energy bars (34%) and creatine monohydrate (31%), with a higher prevalence in male and professional players of whey protein and creatine monohydrate. Conclusions: The main reason for DS consumption is for enhancing sports performance). Professional players more frequently purchase them on the Internet and consume DS during training and competition period and in the post-exercise, whereas amateur players consume during competition and pre-exercise. Related to the main form of DS consumption, it is observed that a moderate consumption of DS could be considered ergogenic, such as whey protein, sport bar and creatine, while an absence of other DS could be considered ergogenic.

ACS Style

Antonio Jesús Sánchez-Oliver; Raúl Domínguez; Paola López-Tapia; Francisco Miguel Tobal; Pablo Jodra; Juan José Montoya; Eduardo J. Guerra-Hernández; Juan José Ramos-Álvarez. A Survey on Dietary Supplement Consumption in Amateur and Professional Rugby Players. Foods 2020, 10, 7 .

AMA Style

Antonio Jesús Sánchez-Oliver, Raúl Domínguez, Paola López-Tapia, Francisco Miguel Tobal, Pablo Jodra, Juan José Montoya, Eduardo J. Guerra-Hernández, Juan José Ramos-Álvarez. A Survey on Dietary Supplement Consumption in Amateur and Professional Rugby Players. Foods. 2020; 10 (1):7.

Chicago/Turabian Style

Antonio Jesús Sánchez-Oliver; Raúl Domínguez; Paola López-Tapia; Francisco Miguel Tobal; Pablo Jodra; Juan José Montoya; Eduardo J. Guerra-Hernández; Juan José Ramos-Álvarez. 2020. "A Survey on Dietary Supplement Consumption in Amateur and Professional Rugby Players." Foods 10, no. 1: 7.

Journal article
Published: 18 December 2020 in Nutrients
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The aim of this study was to analyze the anthropometric characteristics and sport supplement (SS) consumption patterns of heavyweight and lightweight international rowers. Methods: The 13 heavyweights (11 males) and seven lightweights (five males) of the Spanish National Rowing Team were recruited for the study. Body composition was measured by bio-impedance analysis, and the questionnaire used in this investigation was previously validated to assess SS consumption. According to anthropometrics parameters, it was reported that male heavyweight rowers were heavier (p < 0.001) and taller (p < 0.001), but no statistical differences were reported for % body fat (p = 0.104) or % lean body mass (p = 0.161). All rowers reported consumption of at least one SS. Based on the Australian Institute of Sport’s classification, higher medical supplement consumption was observed when comparing heavyweight rowers to lightweight rowers (2.5 ± 1.1 vs. 1.7 ± 0.5, p = 0.040). There were no differences in the totals of group A (strong scientific evidence for sports scenarios, p = 0.069), group B (emerging scientific support, deserving of further research, p = 0.776), or group C (scientific evidence not supportive of benefit and/or security amongst athletes, p = 0.484). The six most consumed SSs were iron (85%), caffeine (85%), β-alanine (85%), energy bars (85%), vitamin supplements (80%), and isotonic drinks (80%), with no statistical differences between heavyweight and lightweight rowers (p > 0.05). These results suggest that the absence of differences in body composition (expressed as a percentage) do not represent anthropometric disadvantages for heavyweight rowers. In addition, SS consumption was similar between rowers, reporting only higher medical supplement consumption in heavyweight rowers.

ACS Style

Raúl Domínguez; Rubén López-Domínguez; Álvaro López-Samanes; Pol Gené; José Antonio González-Jurado; Antonio Jesús Sánchez-Oliver. Analysis of Sport Supplement Consumption and Body Composition in Spanish Elite Rowers. Nutrients 2020, 12, 3871 .

AMA Style

Raúl Domínguez, Rubén López-Domínguez, Álvaro López-Samanes, Pol Gené, José Antonio González-Jurado, Antonio Jesús Sánchez-Oliver. Analysis of Sport Supplement Consumption and Body Composition in Spanish Elite Rowers. Nutrients. 2020; 12 (12):3871.

Chicago/Turabian Style

Raúl Domínguez; Rubén López-Domínguez; Álvaro López-Samanes; Pol Gené; José Antonio González-Jurado; Antonio Jesús Sánchez-Oliver. 2020. "Analysis of Sport Supplement Consumption and Body Composition in Spanish Elite Rowers." Nutrients 12, no. 12: 3871.

Journal article
Published: 31 October 2020 in Nutrients
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Sports supplements are commonly used by elite athletes with the main goal of enhancing sport performance. Supplements use might be substantially different depending on the sport discipline, sex, and competitive level. To date, data about prevalence and the most-commonly used supplements in handball are scarce. Thus, the aim of this investigation was to determine the patterns of supplements use by handball players of both sexes and with different competitive levels: One hundred and eighty-seven handball players (112 men and 75 women) of different competitive levels (106 professional and 81 amateur) completed a validated self-administered questionnaire about supplements use. Supplements were classified according to the categorization of the Australian Institute of Sport (AIS). Overall, 59.9% of the handball players (n = 112) declared the use of at least one supplement and there were no significant differences between men and women (58.9% vs. 61.3%, p = 0.762) nor between professional vs. amateur handball players (67.1% vs. 53.8%, p = 0.074). The most prevalent supplements were sports drinks (42.2%), followed by energy bars (35.3%) and caffeine-containing products (31.6%). However, a greater consumption of group A supplements (those with strong scientific evidence; p = 0.029) and group B supplements (those with emerging scientific support, p = 0.012) was observed in male compared to female handball players. Supplements categorized as medical supplements were more commonly consumed in professional vs. amateur players (0.48 ± 0.80 vs. 0.21 ± 0.44, supplements p < 0.006). Additionally, a higher consumption of group B supplements was observed in professional compared to amateur players (0.58 ± 0.88 vs. 0.33 ± 0.72 supplements, p = 0.015). Handball players revealed a moderate use of supplements while sex and competitive level slighted changed the pattern of supplements use. A high portion of handball players use supplements as fuel during exercise and reported the use of caffeine-containing supplements to enhance performance.

ACS Style

Alejandro Muñoz; Álvaro López-Samanes; Raúl Domínguez; Víctor Moreno-Pérez; Antonio Jesús Sánchez-Oliver; Juan Del Coso. Use of Sports Supplements in Competitive Handball Players: Sex and Competitive Level Differences. Nutrients 2020, 12, 3357 .

AMA Style

Alejandro Muñoz, Álvaro López-Samanes, Raúl Domínguez, Víctor Moreno-Pérez, Antonio Jesús Sánchez-Oliver, Juan Del Coso. Use of Sports Supplements in Competitive Handball Players: Sex and Competitive Level Differences. Nutrients. 2020; 12 (11):3357.

Chicago/Turabian Style

Alejandro Muñoz; Álvaro López-Samanes; Raúl Domínguez; Víctor Moreno-Pérez; Antonio Jesús Sánchez-Oliver; Juan Del Coso. 2020. "Use of Sports Supplements in Competitive Handball Players: Sex and Competitive Level Differences." Nutrients 12, no. 11: 3357.

Journal article
Published: 09 September 2020 in International Journal of Environmental Research and Public Health
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The fitness sector has always been linked to the analysis of the loyalty of its consumers. Different studies have shown the importance of sports service and human resources for greater customer loyalty. However, few works have studied how the physical environment or servicescape influences the behavior of consumers in fitness centers based on gender and age. Therefore, the objective of the study was to analyze the relationship between servicescape and the loyalty of fitness center consumers, analyzing through the Importance-Performance Matrix Analysis (IPMA) what the aspects to improve according to gender and age are. The sample was 10,368 fitness center customers (5864 women and 4504 men). After the IPMA, it was concluded that the main improvement margins in general in fitness centers were the equipment and the facility condition, and the facility layout. In turn, in relation to gender and age, the aspects with room for improvement were to a greater extent for equipment and facility condition in women over 21 years of age, and in facility layout for women between 21 and 40 years old and 51–60 years old. Regarding men, the aspects with the highest performance margins were the equipment and facility condition in all the age groups, the facility layout in men up to 50 years old, and the signage in men up to 40 years old and from 51 to 60 years old.

ACS Style

Jerónimo García-Fernández; Jesús Fernández-Gavira; Antonio Sánchez-Oliver; Pablo Gálvez-Ruíz; Moisés Grimaldi-Puyana; Gabriel Cepeda-Carrión. Importance-Performance Matrix Analysis (IPMA) to Evaluate Servicescape Fitness Consumer by Gender and Age. International Journal of Environmental Research and Public Health 2020, 17, 6562 .

AMA Style

Jerónimo García-Fernández, Jesús Fernández-Gavira, Antonio Sánchez-Oliver, Pablo Gálvez-Ruíz, Moisés Grimaldi-Puyana, Gabriel Cepeda-Carrión. Importance-Performance Matrix Analysis (IPMA) to Evaluate Servicescape Fitness Consumer by Gender and Age. International Journal of Environmental Research and Public Health. 2020; 17 (18):6562.

Chicago/Turabian Style

Jerónimo García-Fernández; Jesús Fernández-Gavira; Antonio Sánchez-Oliver; Pablo Gálvez-Ruíz; Moisés Grimaldi-Puyana; Gabriel Cepeda-Carrión. 2020. "Importance-Performance Matrix Analysis (IPMA) to Evaluate Servicescape Fitness Consumer by Gender and Age." International Journal of Environmental Research and Public Health 17, no. 18: 6562.

Journal article
Published: 25 August 2020 in International Journal of Environmental Research and Public Health
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Obesity is related to low-grade systemic inflammation. This state of inflammation is characterized by the alteration in adipokine regulation, which may lead to a situation of cardiometabolic risk. The aim of this study was to evaluate the effects of a concurrent training program on markers of lipoinflammation in adult people with obesity, comparing the response to the training between men and women. A quasi-experimental, quantitative, and longitudinal study with a pre–post intervention was conducted. An 8-week concurrent training program was carried out, in which 26 individuals with obesity participated (mean ± SD; age = 46.38 ± 4.66) (BMI = 36.05 ± 4.99) (12 men and 14 women). Before and after the intervention period, blood samples were taken by percutaneous puncture. The blood levels of adiponectin and leptin were evaluated. Significant differences were obtained in the adiponectin–leptin ratio (A/L ratio) of the entire sample (p = 0.009, ES = 0.53), which indicates a decrease in the risk of cardiovascular diseases and lipoinflammation. There were no significant differences in the improvements observed after the training in A/L ratio between women (A/L change = +63.5%) and men (A/L change= +59.2%). It can be concluded that the combination of aerobic exercise and resistance training induced an improvement in markers of lipoinflammation and cardiometabolic risk in the individuals with obesity evaluated in this study.

ACS Style

José Antonio González-Jurado; Walter Suárez-Carmona; Sergio López; Antonio Jesús Sánchez-Oliver. Changes in Lipoinflammation Markers in People with Obesity after a Concurrent Training Program: A Comparison between Men and Women. International Journal of Environmental Research and Public Health 2020, 17, 6168 .

AMA Style

José Antonio González-Jurado, Walter Suárez-Carmona, Sergio López, Antonio Jesús Sánchez-Oliver. Changes in Lipoinflammation Markers in People with Obesity after a Concurrent Training Program: A Comparison between Men and Women. International Journal of Environmental Research and Public Health. 2020; 17 (17):6168.

Chicago/Turabian Style

José Antonio González-Jurado; Walter Suárez-Carmona; Sergio López; Antonio Jesús Sánchez-Oliver. 2020. "Changes in Lipoinflammation Markers in People with Obesity after a Concurrent Training Program: A Comparison between Men and Women." International Journal of Environmental Research and Public Health 17, no. 17: 6168.

Journal article
Published: 22 July 2020 in Sustainability
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This study assessed the effects of COVID-19 home confinement on physical activity, sedentary behavior, smartphone use, and sleep patterns. Data was collected in a sample of 20 young adults (mean age ± SD: 22.6 ± 3.4 years; 55% males) over seven days pre- and during the COVID-19 lockdown. Objective and subjective physical activity (Accelerometer and the International Physical Activity Questionnaire (IPAQ), respectively), the number of hours sitting (IPAQ), objectively-measured smartphone use (smartphone screen time applications), and objective and subjective sleep (accelerometer and the Pittsburgh Sleep Quality Index, respectively) were assessed. Results revealed significantly greater walking time and mean steps (p < 0.001, d = 1.223 to 1.605), and moderate and vigorous physical activity (p < 0.05, d = 0.568 to 0.616), in the pre- compared with the during-COVID-19 lockdown phase. Additionally, smartphone use (p = 0.009, d = 0.654), sitting time (p = 0.002, d = 1.120), and total sleep (p < 0.004, d = 0.666) were significantly greater in the during- compared with the pre-COVID-19 lockdown phase. Multiple regressions analyses showed associations between physical activity and sedentary behavior and sleep quality. The number of hours sitting per day and moderate-to-vigorous physical activity significantly predicted deep sleep (adj.R2 = 0.46). In conclusion, this study revealed that during the COVID-19 outbreak, behaviors changed, with participants spending less time engaging in physical activity, sitting more, spending more time using the smartphone, and sleeping more hours. These findings may be of importance to make recommendations, including lifestyle modifications during this time.

ACS Style

Borja Sañudo; Curtis Fennell; Antonio Sánchez-Oliver. Objectively-Assessed Physical Activity, Sedentary Behavior, Smartphone Use, and Sleep Patterns Pre- and during-COVID-19 Quarantine in Young Adults from Spain. Sustainability 2020, 12, 5890 .

AMA Style

Borja Sañudo, Curtis Fennell, Antonio Sánchez-Oliver. Objectively-Assessed Physical Activity, Sedentary Behavior, Smartphone Use, and Sleep Patterns Pre- and during-COVID-19 Quarantine in Young Adults from Spain. Sustainability. 2020; 12 (15):5890.

Chicago/Turabian Style

Borja Sañudo; Curtis Fennell; Antonio Sánchez-Oliver. 2020. "Objectively-Assessed Physical Activity, Sedentary Behavior, Smartphone Use, and Sleep Patterns Pre- and during-COVID-19 Quarantine in Young Adults from Spain." Sustainability 12, no. 15: 5890.

Review
Published: 08 June 2020 in International Journal of Environmental Research and Public Health
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During the last few years, the numbers of competitors in endurance and ultra-endurance sports modalities have increased significantly. This type of competition is an extreme challenge for athletes. Therefore, they have an increased the risk of developing medical and nutritional problems. The aim of the work is to estimate the incidence of nutrition-related adverse outcomes in endurance and ultra-endurance sports, considering the variables that influence them. A critical review was carried out based on the PubMed database, by means of a search strategy based on keywords separated by Boolean connectors. For all the results obtained in a period from 2008 to 2019, a series of inclusion/exclusion criteria was applied to select only the studies that fitted the objective of the present study. Results and discussion: Of the 871 publications identified, 33 met the inclusion criteria. The adverse outcomes found included exercise-associated hyponatremia (EAH), heat stroke by exertion (EHS), gastrointestinal (GI) problems, dehydration, and hypothermia; the provision of misinformation to athletes about nutrient intake and hydration during competition was identified as the main cause. Conclusions: The main adverse outcomes in endurance and ultra-endurance sports modalities are EAH, GI inconveniences, and EHS. These problems can affect the performance and health status of the athlete during and post-competition. Several nutritional guidelines have been suggested that can prevent these adverse outcomes, and it is essential to individualize and adjust the nutritional intake and hydration status according to the characteristics of each competition.

ACS Style

José Miguel Martínez-Sanz; Ana Fernández Nuñez; Isabel Sospedra; Alejandro Martínez-Rodríguez; Raúl Domínguez; José Antonio González-Jurado; Antonio J. Sánchez-Oliver. Nutrition-Related Adverse Outcomes in Endurance Sports Competitions: A Review of Incidence and Practical Recommendations. International Journal of Environmental Research and Public Health 2020, 17, 4082 .

AMA Style

José Miguel Martínez-Sanz, Ana Fernández Nuñez, Isabel Sospedra, Alejandro Martínez-Rodríguez, Raúl Domínguez, José Antonio González-Jurado, Antonio J. Sánchez-Oliver. Nutrition-Related Adverse Outcomes in Endurance Sports Competitions: A Review of Incidence and Practical Recommendations. International Journal of Environmental Research and Public Health. 2020; 17 (11):4082.

Chicago/Turabian Style

José Miguel Martínez-Sanz; Ana Fernández Nuñez; Isabel Sospedra; Alejandro Martínez-Rodríguez; Raúl Domínguez; José Antonio González-Jurado; Antonio J. Sánchez-Oliver. 2020. "Nutrition-Related Adverse Outcomes in Endurance Sports Competitions: A Review of Incidence and Practical Recommendations." International Journal of Environmental Research and Public Health 17, no. 11: 4082.

Journal article
Published: 03 April 2020 in Nutrients
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The sports performance of dinghy sailors is determined by their state of nutrition and hydration. Sports supplementation plays a prominent role in elite sailors, being essential in periods of competition due to its characteristics. This study aims to analyze the consumption of sports supplements (SS) in the different categories and groups of sailors based on the level of evidence, differentiating according to sex, competitive level, and type of boat. A total of 42 sailors from national and international levels and belonging to the Laser, 420, Techno-293 and RS:X classes participated in this study. They completed a questionnaire with questions about the consumption of SS and the possible repercussions on health and/or sports performance. The results were analyzed based on the different categorizations and group organization recently established by the Australian Institute of Sport (AIS), as well as by sex, level of competition and class to which the participants belonged. The male sailors and those who competed internationally had a higher prevalence in the consumption of SS. Among the classes of vessels studied, class 420 had the lowest SS consumption. SS intake was higher during competition days, regardless of sex or level of competition. Based on the classification established by the AIS, statistically significant differences were observed in sex, level of competition, and the type of boat.

ACS Style

Israel Caraballo; Raúl Domínguez; Eduardo J. Guerra-Hernandez; Antonio J. Sánchez-Oliver. Analysis of Sports Supplements Consumption in Young Spanish Elite Dinghy Sailors. Nutrients 2020, 12, 993 .

AMA Style

Israel Caraballo, Raúl Domínguez, Eduardo J. Guerra-Hernandez, Antonio J. Sánchez-Oliver. Analysis of Sports Supplements Consumption in Young Spanish Elite Dinghy Sailors. Nutrients. 2020; 12 (4):993.

Chicago/Turabian Style

Israel Caraballo; Raúl Domínguez; Eduardo J. Guerra-Hernandez; Antonio J. Sánchez-Oliver. 2020. "Analysis of Sports Supplements Consumption in Young Spanish Elite Dinghy Sailors." Nutrients 12, no. 4: 993.

Journal article
Published: 12 March 2020 in Sustainability
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Osteoporosis is considered a major public health problem worldwide. In order to develop effective physical exercise protocols for the prevention of osteoporosis and ensure skeletal integrity, the intensity of the exercise must be quantified objectively and accurately. This study aimed to assess the validity of a wearable accelerometer-based activity monitor for use in osteoporosis prevention programs. Eighteen premenopausal women completed an exercise protocol consisting of five countermovement jumps followed by four treadmill bouts at different speeds. Participants carried two pairs of accelerometers (Muvone® and ActiGraph GT3X+) located on the wrist and hip. Three types of analysis were performed: (1) association between measurements from both devices; (2) level of similarity in group estimates; and (3) evaluation of measurement bias. High to almost perfect correlations between the peak acceleration measured by both devices were found in all protocol tests (r = 0.607–0.975, p < 0.001). Differences in group estimates were non-significant and measurement bias between devices was below 6%. In conclusion, the validity of Muvone® to quantify acceleration has been tested at both the wrist and hip and could be used to assess mechanical loading during physical activities for the implementation of population-wide osteoporosis prevention programs.

ACS Style

Horacio Sánchez-Trigo; Antonio Jesús Sanchez-Oliver; Grant Abt; Borja Sañudo. Validation of a Wearable Accelerometer-Based Activity Monitor for Use in Future Osteoporosis Prevention Programs. Sustainability 2020, 12, 2187 .

AMA Style

Horacio Sánchez-Trigo, Antonio Jesús Sanchez-Oliver, Grant Abt, Borja Sañudo. Validation of a Wearable Accelerometer-Based Activity Monitor for Use in Future Osteoporosis Prevention Programs. Sustainability. 2020; 12 (6):2187.

Chicago/Turabian Style

Horacio Sánchez-Trigo; Antonio Jesús Sanchez-Oliver; Grant Abt; Borja Sañudo. 2020. "Validation of a Wearable Accelerometer-Based Activity Monitor for Use in Future Osteoporosis Prevention Programs." Sustainability 12, no. 6: 2187.

Journal article
Published: 23 February 2020 in Nutrients
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Beetroot juice (BJ) contains high levels of inorganic nitrate (NO3−) and its intake has good evidence in increasing blood nitrate/nitrite concentrations. The ingestion of BJ has been associated with improvements in physical performance of endurance sports, however the literature in intermittent sports is scarce. The aim of this study was to investigate whether BJ could improve physical performance in tennis players. Thirteen well-trained tennis players (25.4 ± 5.1 years) participated in the study during their preparatory period for the tennis season. Subjects were randomly divided into two groups and performed a neuromuscular test battery after either BJ or placebo (PLA) consumption. Both trials were executed on two separate days, in randomized order, with one week of wash out period. The test battery consisted of serve velocity test (SVT), countermovement jump (CMJ), isometric handgrip strength (IHS), 5-0-5 agility test (5-0-5), and 10 m sprint (10-m). No significant differences were found in SVT (1.19%; p = 0.536), CMJ (0.96%; p = 0.327), IHS (4.06%; p = 0.069), 5-0-5 dominant and nondominant side (1.11–2.02%; p = 0.071–0.191) and 10-m (1.05%; p = 0.277) when comparing BJ and PLA ingestion. Thus, our data suggest that low doses of BJ (70 mL) consumption do not enhance tennis physical performance.

ACS Style

Álvaro López-Samanes; Alberto Pérez-López; Victor Moreno-Pérez; Fabio Yuzo Nakamura; Jorge Acebes-Sánchez; Iñaki Quintana-Milla; Antonio J. Sánchez-Oliver; Diego Moreno-Pérez; Valentín Emilio Fernández-Elías; Raúl Domínguez. Effects of Beetroot Juice Ingestion on Physical Performance in Highly Competitive Tennis Players. Nutrients 2020, 12, 584 .

AMA Style

Álvaro López-Samanes, Alberto Pérez-López, Victor Moreno-Pérez, Fabio Yuzo Nakamura, Jorge Acebes-Sánchez, Iñaki Quintana-Milla, Antonio J. Sánchez-Oliver, Diego Moreno-Pérez, Valentín Emilio Fernández-Elías, Raúl Domínguez. Effects of Beetroot Juice Ingestion on Physical Performance in Highly Competitive Tennis Players. Nutrients. 2020; 12 (2):584.

Chicago/Turabian Style

Álvaro López-Samanes; Alberto Pérez-López; Victor Moreno-Pérez; Fabio Yuzo Nakamura; Jorge Acebes-Sánchez; Iñaki Quintana-Milla; Antonio J. Sánchez-Oliver; Diego Moreno-Pérez; Valentín Emilio Fernández-Elías; Raúl Domínguez. 2020. "Effects of Beetroot Juice Ingestion on Physical Performance in Highly Competitive Tennis Players." Nutrients 12, no. 2: 584.

Journal article
Published: 01 February 2020 in International Journal of Sports Physiology and Performance
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Purpose: Dietary supplementation with inorganic nitrate (NO3−) can enhance high-intensity exercise performance by improving skeletal muscle contractility and metabolism, but the extent to which this might be linked to altered psychophysiological processes is presently unclear. The purpose of this study was to assess the effects of NO3−-rich beetroot juice (BJ) supplementation on profile of mood states, ratings of perceived exertion (RPE), and performance in a 30-second Wingate cycle test. Methods: In a double-blind, randomized, cross-over study, 15 subjects completed 2 laboratory sessions after ingesting NO3−-rich or NO3−-depleted (placebo) BJ. Participants initially completed the profile of mood states questionnaire. Subsequently, participants completed a warm-up followed by a 30-second all-out Wingate cycling test. After the Wingate test, participants immediately indicated the RPE of their leg muscles (RPEmuscular), cardiovascular system (RPEcardio), and general RPE (RPEgeneral). Results: Compared with the placebo condition, supplementation with BJ increased peak power output (Wpeak) (+4.4%, 11.5 [0.7] vs 11.1 [1.0] W·kg−1; P = .039) and lowered the time taken to reach Wpeak (7.3 [0.9] vs 8.7 [1.5] s; P = .002) during the Wingate test. The profile of mood states score linked to tension was increased prior to the Wingate test (4.8 [3.0] vs 3.4 [2.4]; P = .040), and RPEmuscular was lowered immediately following the Wingate test (17.7 [1.6] vs 18.3 [1.0]; P = .031), after BJ compared with placebo ingestion. Conclusions: Acute BJ supplementation improved pre-exercise tension, 30-second Wingate test performance, and lowered postexercise RPEmuscular.

ACS Style

Pablo Jodra; Raúl Domínguez; Antonio Jesús Sanchez-Oliver; Pablo Veiga Herreros; Stephen J. Bailey. Effect of Beetroot Juice Supplementation on Mood, Perceived Exertion, and Performance During a 30-Second Wingate Test. International Journal of Sports Physiology and Performance 2020, 15, 243 -248.

AMA Style

Pablo Jodra, Raúl Domínguez, Antonio Jesús Sanchez-Oliver, Pablo Veiga Herreros, Stephen J. Bailey. Effect of Beetroot Juice Supplementation on Mood, Perceived Exertion, and Performance During a 30-Second Wingate Test. International Journal of Sports Physiology and Performance. 2020; 15 (2):243-248.

Chicago/Turabian Style

Pablo Jodra; Raúl Domínguez; Antonio Jesús Sanchez-Oliver; Pablo Veiga Herreros; Stephen J. Bailey. 2020. "Effect of Beetroot Juice Supplementation on Mood, Perceived Exertion, and Performance During a 30-Second Wingate Test." International Journal of Sports Physiology and Performance 15, no. 2: 243-248.

Case report
Published: 03 January 2020 in Journal of the International Society of Sports Nutrition
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Background Caffeine supplementation (CAFF) has an established ergogenic effect on physical performance and the psychological response to exercise. However, few studies have compared the response to CAFF intake among athletes of different competition level. This study compares the acute effects of CAFF on anaerobic performance, mood and perceived effort in elite and moderately-trained recreational athletes. Methods Participants for this randomized, controlled, crossover study were 8 elite athletes (in the senior boxing national team) and 10 trained-recreational athletes. Under two experimental conditions, CAFF supplementation (6 mg/kg) or placebo (PLAC), the athletes completed a Wingate test. Subjective exertion during the test was recorded as the rating of perceived exertion (RPE) both at the general level (RPEgeneral) and at the levels muscular (RPEmuscular) and cardiorespiratory (RPEcardio). Before the Wingate test, participants completed the questionnaires Profiles of Moods States (POMS) and Subjective Vitality Scale (SVS). Results In response to CAFF intake, improvements were noted in Wpeak (11.22 ± 0.65 vs 10.70 ± 0.84; p = 0.003; $$ {\eta}_p^2 $$ηp2=0.44), Wavg (8.75 ± 0.55 vs 8.41 0.46; p = 0.001; $$ {\eta}_p^2 $$ηp2 =0.53) and time taken to reach Wpeak (7.56 ± 1.58 vs 9.11 ± 1.53; p < 0.001; $$ {\eta}_p^2 $$ηp2 =0.57) both in the elite and trained-recreational athletes. However, only the elite athletes showed significant increases in tension (+ 325%), vigor (+ 31%) and SVS (+ 28%) scores after the intake of CAFF compared to levels recorded under the condition PLAC (p < 0.05). Similarly, levels of vigor after consuming CAFF were significantly higher in the elite than the trained-recreational athletes (+ 5.8%). Conclusions CAFF supplementation improved anaerobic performance in both the elite and recreational athletes. However, the ergogenic effect of CAFF on several mood dimensions and subjective vitality was greater in the elite athletes.

ACS Style

P. Jodra; Ángel Lago Rodríguez; A. J. Sánchez-Oliver; A. López-Samanes; A. Pérez-López; P. Veiga-Herreros; A. F. San Juan; R. Domínguez. Effects of caffeine supplementation on physical performance and mood dimensions in elite and trained-recreational athletes. Journal of the International Society of Sports Nutrition 2020, 17, 1 -11.

AMA Style

P. Jodra, Ángel Lago Rodríguez, A. J. Sánchez-Oliver, A. López-Samanes, A. Pérez-López, P. Veiga-Herreros, A. F. San Juan, R. Domínguez. Effects of caffeine supplementation on physical performance and mood dimensions in elite and trained-recreational athletes. Journal of the International Society of Sports Nutrition. 2020; 17 (1):1-11.

Chicago/Turabian Style

P. Jodra; Ángel Lago Rodríguez; A. J. Sánchez-Oliver; A. López-Samanes; A. Pérez-López; P. Veiga-Herreros; A. F. San Juan; R. Domínguez. 2020. "Effects of caffeine supplementation on physical performance and mood dimensions in elite and trained-recreational athletes." Journal of the International Society of Sports Nutrition 17, no. 1: 1-11.

Journal article
Published: 27 December 2019 in Nutrients
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Obesity, low levels of physical fitness, and unhealthy eating patterns are responsible for part of the health problems of adolescents today. The current study aimed at examining the association between the adherence to the Mediterranean diet (MD), through each answer to the items of the Adherence to the MD Questionnaire (KIDMED), and physical fitness with body composition parameters (body mass index (BMI), percentage of body fat, and waist circumference) in 1717 European adolescents (N = 900 boys, N = 817 girls). Data of body composition, physical fitness results, and the answers to KIDMED were analyzed by the Student’s t-test. Additionally, the effect size (ES) was calculated and a Chi-square test analyzed the proportion of participants with and without over waist circumference, overfat, and overweight in each KIDMED question. The relative risk of suffering over waist circumference, overfat and overweight in relation to the responses was calculated by Odd-Ratio. Adherence to the MD did not influence the condition of over waist circumference, overfat and overweight, although certain dietary habits were identified as risk factors for their development. Over waist circumference, overfat, and overweight boys and girls presented higher levels of body mass, waist circumference, body fat percentage, and BMI (p < 0.001; ES = 1.73–3.38), as well as lower levels of all the parameters of the physical fitness analyzed (p < 0.001; ES = 0.45–1.08), except the handgrip test. A direct relationship between fitness and over waist circumference, overfat, and overweight was found.

ACS Style

Pablo Galan-Lopez; Antonio J. Sanchez-Oliver; Maret Pihu; Thórdís Gísladóttír; Raúl Domínguez; Francis Ries. Association between Adherence to the Mediterranean Diet and Physical Fitness with Body Composition Parameters in 1717 European Adolescents: The AdolesHealth Study. Nutrients 2019, 12, 77 .

AMA Style

Pablo Galan-Lopez, Antonio J. Sanchez-Oliver, Maret Pihu, Thórdís Gísladóttír, Raúl Domínguez, Francis Ries. Association between Adherence to the Mediterranean Diet and Physical Fitness with Body Composition Parameters in 1717 European Adolescents: The AdolesHealth Study. Nutrients. 2019; 12 (1):77.

Chicago/Turabian Style

Pablo Galan-Lopez; Antonio J. Sanchez-Oliver; Maret Pihu; Thórdís Gísladóttír; Raúl Domínguez; Francis Ries. 2019. "Association between Adherence to the Mediterranean Diet and Physical Fitness with Body Composition Parameters in 1717 European Adolescents: The AdolesHealth Study." Nutrients 12, no. 1: 77.

Journal article
Published: 14 November 2019 in International Journal of Environmental Research and Public Health
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Unhealthy lifestyles, low levels of physical fitness, and adherence to the Mediterranean diet (MD) are associated with bad quality of life and the development of a wide range of non-communicable diseases (NCDs). The current study aimed to evaluate the level of adherence to the MD in physical fitness performance and body composition parameters in children and adolescents of Estonia. Therefore, 413 adolescents (56% boys) from the city of Tartu completed the Mediterranean Diet Questionnaire (KIDMED) for analyzing the adherence to MD and performed the Alpha Fitness Test for measuring physical fitness and body composition. A 41.67% of low, 44.05% of average, and 14.28% of high adherence to MD was detected, without difference between genders (p = 0.747). In the Alpha Fitness battery, a higher performance was observed in all tests for boys vs. girls (p < 0.05). In relation to body composition, higher height, weight, and waist values were observed in boys (p < 0.05) and a lower body fat percentage (p < 0.01) without differences in body mass index (BMI; p = 0.906). The adherence to the MD is classified as average/low. Gender significantly influences all variables of the Alpha Fitness battery and anthropometrics measures excepting BMI. According the levels of adherence to the MD, no statistically different prevalence was observed for Non-Overweight (N-Oweight), Non-Overfat (N-Ofat), or Non-Overwaist (N-Owaist). Still, a risk factor for Overweight (Oweight) in boys with low adherence was observed in comparison to those with a mid-level of adherence to the MD.

ACS Style

Pablo Galan-Lopez; Raúl Domínguez; Maret Pihu; Thordis Gísladóttir; Antonio J. Sánchez-Oliver; Francis Ries. Evaluation of Physical Fitness, Body Composition, and Adherence to Mediterranean Diet in Adolescents from Estonia: The AdolesHealth Study. International Journal of Environmental Research and Public Health 2019, 16, 4479 .

AMA Style

Pablo Galan-Lopez, Raúl Domínguez, Maret Pihu, Thordis Gísladóttir, Antonio J. Sánchez-Oliver, Francis Ries. Evaluation of Physical Fitness, Body Composition, and Adherence to Mediterranean Diet in Adolescents from Estonia: The AdolesHealth Study. International Journal of Environmental Research and Public Health. 2019; 16 (22):4479.

Chicago/Turabian Style

Pablo Galan-Lopez; Raúl Domínguez; Maret Pihu; Thordis Gísladóttir; Antonio J. Sánchez-Oliver; Francis Ries. 2019. "Evaluation of Physical Fitness, Body Composition, and Adherence to Mediterranean Diet in Adolescents from Estonia: The AdolesHealth Study." International Journal of Environmental Research and Public Health 16, no. 22: 4479.

Journal article
Published: 26 August 2019 in Nutrients
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Childhood and adolescent obesity has become one of the most vital challenges to overcome in the present age. Physical fitness, physical activity and the Mediterranean diet (MD) are valuable tools for its prevention and treatment. The main objective of this study is to analyze the associations between health-related physical fitness components, body composition and adherence to the MD in 917 adolescents aged from 13- to 16-years-old. The ALPHA-Fitness Test was used to measure physical fitness and body composition, and the Adherence to the Mediterranean Diet (KIDMED) questionnaire was employed to assess the adherence to the MD. The associations between variables were tested according to gender and age a generalized linear model (GLM) univariate analysis (two factors) and one-way analysis of variance (ANOVA, with Bonferroni posthoc). As to the body composition and physical fitness variables, significant differences were obtained in both genders but not in relation to the adherence to the MD. The boys performed better in the physical fitness tests. Age was a determinant factor in adherence to the MD in the total sample, lowering as the age of the sample increases. Both the boys and girls who had a significantly higher performance in the endurance test were those who showed high/medium adherence to the MD. It is concluded that higher levels of cardiovascular endurance in boys and girls are associated with a medium and high adherence to the MD.

ACS Style

Pablo Galan-Lopez; Antonio J. Sánchez-Oliver; Francis Ries; José Antonio González-Jurado. Mediterranean Diet, Physical Fitness and Body Composition in Sevillian Adolescents: A Healthy Lifestyle. Nutrients 2019, 11, 2009 .

AMA Style

Pablo Galan-Lopez, Antonio J. Sánchez-Oliver, Francis Ries, José Antonio González-Jurado. Mediterranean Diet, Physical Fitness and Body Composition in Sevillian Adolescents: A Healthy Lifestyle. Nutrients. 2019; 11 (9):2009.

Chicago/Turabian Style

Pablo Galan-Lopez; Antonio J. Sánchez-Oliver; Francis Ries; José Antonio González-Jurado. 2019. "Mediterranean Diet, Physical Fitness and Body Composition in Sevillian Adolescents: A Healthy Lifestyle." Nutrients 11, no. 9: 2009.

Journal article
Published: 07 June 2019 in Sport in Society
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CrossFit is a type of high-intensity functional exercise programme in which a type of philosophy of life and competitive sport take place together. This product is created for all kinds of people and interrelates with a diversity of social practices. This work aims to analyze the relationships between customer engagement, perceived value, satisfaction, and future intentions in CrossFit users as well as the significance of this activity for the person. The study engaged 520 participants with an online questionnaire. A confirmatory factor analysis and multi-group analysis was performed to test the difference between two invariance models. The findings show positive relationships between customer engagement and perceived value in women, and between perceived value, satisfaction and fidelity in men. Therefore, this work has shown that the participation of customers has positive consequences for the CrossFit customer loyalty chain.

ACS Style

Jerónimo García-Fernández; Pablo Gálvez-Ruiz; Antonio Jesús Sanchez-Oliver; Jesús Fernández-Gavira; Brenda Pitts; Moisés Grimaldi-Puyana. An analysis of new social fitness activities: loyalty in female and male CrossFit users. Sport in Society 2019, 23, 204 -221.

AMA Style

Jerónimo García-Fernández, Pablo Gálvez-Ruiz, Antonio Jesús Sanchez-Oliver, Jesús Fernández-Gavira, Brenda Pitts, Moisés Grimaldi-Puyana. An analysis of new social fitness activities: loyalty in female and male CrossFit users. Sport in Society. 2019; 23 (2):204-221.

Chicago/Turabian Style

Jerónimo García-Fernández; Pablo Gálvez-Ruiz; Antonio Jesús Sanchez-Oliver; Jesús Fernández-Gavira; Brenda Pitts; Moisés Grimaldi-Puyana. 2019. "An analysis of new social fitness activities: loyalty in female and male CrossFit users." Sport in Society 23, no. 2: 204-221.

Discussion
Published: 16 May 2019 in Nutrients
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Strong evidence during the last few decades has highlighted the importance of nutrition for sport performance, the role of carbohydrates (CHO) being of special interest. Glycogen is currently not only considered an energy substrate but also a regulator of the signaling pathways that regulate exercise-induced adaptations. Thus, low or high CHO availabilities can result in both beneficial or negative results depending on the purpose. On the one hand, the depletion of glycogen levels is a limiting factor of performance during sessions in which high exercise intensities are required; therefore ensuring a high CHO availability before and during exercise is of major importance. A high CHO availability has also been positively related to the exercise-induced adaptations to resistance training. By contrast, a low CHO availability seems to promote endurance-exercise-induced adaptations such as mitochondrial biogenesis and enhanced lipolysis. In the present narrative review, we aim to provide a holistic overview of how CHO availability impacts physical performance as well as to provide practical recommendations on how training and nutrition might be combined to maximize performance. Attending to the existing evidence, no universal recommendations regarding CHO intake can be given to athletes as nutrition should be periodized according to training loads and objectives.

ACS Style

Fernando Mata; Pedro L. Valenzuela; Jaume Gimenez; Carles Tur; Diogo Ferreria; Raul Domínguez; Antonio Jesús Sanchez-Oliver; José Miguel Martínez Sanz. Carbohydrate Availability and Physical Performance: Physiological Overview and Practical Recommendations. Nutrients 2019, 11, 1084 .

AMA Style

Fernando Mata, Pedro L. Valenzuela, Jaume Gimenez, Carles Tur, Diogo Ferreria, Raul Domínguez, Antonio Jesús Sanchez-Oliver, José Miguel Martínez Sanz. Carbohydrate Availability and Physical Performance: Physiological Overview and Practical Recommendations. Nutrients. 2019; 11 (5):1084.

Chicago/Turabian Style

Fernando Mata; Pedro L. Valenzuela; Jaume Gimenez; Carles Tur; Diogo Ferreria; Raul Domínguez; Antonio Jesús Sanchez-Oliver; José Miguel Martínez Sanz. 2019. "Carbohydrate Availability and Physical Performance: Physiological Overview and Practical Recommendations." Nutrients 11, no. 5: 1084.

Journal article
Published: 28 March 2019 in Biomolecules
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The use of doping agents has these days become a public health problem, as it also affects young and non-competitive amateurs in different sports. To prepare for competition, bodybuilders perform aggressive dietary protocols, so, bodybuilders frequently consume nutritional supplements (NS) and banned substances in large dosages. Thus, the aim of this study is to analyze the prevalence of banned substances consumption and NS intake in competitive level bodybuilders. A total of 48 bodybuilders (44 males and 4 females) completed a validated online questionnaire on NS consumption. The quantitative data was presented as a mean (M) ± standard deviation (SD), as well as having minimum and maximum values. The categorical variables were expressed using frequencies and percentages. 83.3% of the participants declared that they had consumed or would consume banned substances, the most consumed being anabolic steroids (72.9%). One hundred percent of those sampled use NS. Whey protein (96%), branched-chain amino acids (BCAA) (94%), creatine (85%) and vitamin complexes (83%) were the most consumed, however, there is a low consumption of certain NS which could also increase athletic performance.

ACS Style

Antonio Jesús Sánchez-Oliver; Moisés Grimaldi-Puyana; Raúl Domínguez. Evaluation and Behavior of Spanish Bodybuilders: Doping and Sports Supplements. Biomolecules 2019, 9, 122 .

AMA Style

Antonio Jesús Sánchez-Oliver, Moisés Grimaldi-Puyana, Raúl Domínguez. Evaluation and Behavior of Spanish Bodybuilders: Doping and Sports Supplements. Biomolecules. 2019; 9 (4):122.

Chicago/Turabian Style

Antonio Jesús Sánchez-Oliver; Moisés Grimaldi-Puyana; Raúl Domínguez. 2019. "Evaluation and Behavior of Spanish Bodybuilders: Doping and Sports Supplements." Biomolecules 9, no. 4: 122.