Alp Özel

Dr. Alp Özel

orcid

Research Focus & Metrics

Academic Career Length

10Years (2017-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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12 March 2018 in Middle East Journal of Rehabilitation and Health Studies
Verified
Journal Article
Open access
PDF file
YBYesim Bakar
Yesim Bakar
ATAlper Tuğral
Alper Tuğral
AÖAlp Özel
Alp Özel
YAYasin Devran Altuntas
Yasin Devran Altuntas
YYYavuz Yakut
Yavuz Yakut
Background: Inactivity and sedentary lifestyle are a well-known risk factors for health effects. Many questionnaires evaluate physical activity (PA) level; however, the evaluation of sedentary behavior needs more attention. Sedentary behavior questionnaire (SBQ) is a reliable, valid, and easy-to-administer tool. The current study aimed at cross-culturally adapting and assessing the reliability and validity of the Turkish version of SBQ. Methods: SBQ consists of 9 items related to sedentary lifestyle both on weekdays and weekends. SBQ was administrated to 235 participants with the attrition rate of 24%, followed by a repeated administration after 7 days to assess its reliability. Criterion-related validity was analyzed with the international physical activity questionnaire-short form (IPAQ-SF) within the construct validity of the SBQ. Test-retest reliability was assessed by the intraclass correlation coefficient (ICC), while the Spearman rho was used for criterion-related validity. Results: The ICC scores for each parameter ranged from 0.388 to 0.771. The obtained results showed moderate to good test-retest reliability. The validity results of SBQ somewhat violated the standards, which are generally accepted. Items of SBQ “watching TV (including videos on VCD/DVD)”, “sitting and talking on the phone or being busy on the phone”, and “doing paperwork or computer work (office work, e-mails, paying bills, etc.)” correlated significantly with body mass index (BMI) (r = -0.138 to 0.247, P < 0.05). Conclusions: The SBQ had good reliability and acceptable validity to assess sedentary behaviors in a Turkish population. Keywords: Body Mass Index; Physical Activity; Surveys and Questionnaires; Sedentary Lifestyle

6 September 2018 in Clinical Nursing Research
Verified
Journal Article
Closed access
PDF file
YBYeşim Bakar
Yeşim Bakar
ATAlper Tuğral
Alper Tuğral
AÖAlp Özel
Alp Özel
YAYasin D. Altuntaş
Yasin D. Altuntaş
This study aimed to investigate the effects of exergaming on flexibility, muscle strength, reaction time, and walking speed of adults within sex differences. Fifty-four individuals participated in a 12-week exergaming program. Three 30-min sessions were conducted each week. Baseline and post-intervention assessments were done using the sit-and-reach and bend-over tests for flexibility, hand-held dynamometer for muscle strength, auditory and visual reaction time machine for reaction time, and 5-meter walk test for walking speed. There were no significant changes in the sit-and-reach, bend-over test, and auditory-visual reaction time for either gender (p > .05) with the intervention. Walking speed and muscle strength improved after exergaming in both sexes (p < .05). The study showed that the video gaming intervention led to significant and equal improvements in muscle strength and walking speed for both sexes; however, it had no impact on flexibility and auditory-visual reaction time.

4 April 2017 in Anadolu Kliniği Tıp Bilimleri Dergisi
Verified
Journal Article
Open access
ÖÖÖzlem Çinar Özdemir
Özlem Çinar Özdemir
MSMahmut Sürmeli
Mahmut Sürmeli
AÖAlp Özel
Alp Özel
IYİdil Esin Yavuz
İdil Esin Yavuz
ATAta Topçuoğlu
Ata Topçuoğlu
HAHandan Ankarali
Handan Ankarali
Tr en Amaç: Bu çalışmada gebe kadınlarda fiziksel aktivite ve yaşam kalitesi seviyelerini belirlemek ve bunlar arasındaki ilişkiyi incelemek amaçlanmıştır. Gereç ve Yöntemler: Bu çalışmaya gebelik nedeniyle başvuran toplam 210 kadın dahil edildi. Çalışmada kadınların sosyodemografik özellikleri demografik bilgi formu ile toplandı. Kadınların fiziksel aktivite seviyeleri Uluslararası Fiziksel Aktivite Anketi—Kısa Formu ile, yaşam kaliteleri ise Nottingham Sağlık Profili ile değerlendirildi. Bulgular: Fiziksel aktivite seviyesi ile Nottingham Sağlık Profili toplam, enerji seviyesi, sosyal izolasyon ve uyku alt parametreleri arasında negatif yönde düşük düzeyde anlamlı bir korelasyon vardı (toplam için r = -0,19; p = 0,007; enerji seviyesi için r = -0,17; p = 0,01; sosyal izolasyon için r = -0,16; p = 0,01 ve uyku için r = -0,14; p = 0,03). Gebelik trimesterlerine göre yaşam kalitesi ve fiziksel aktivite karşılaştırıldığında Nottingham Sağlık Profili toplam, emosyonel reaksiyonlar, sosyal izolasyon, fiziksel aktivite parametreleri ile Uluslararası Fiziksel Aktivite Anketi—Kısa Formu değerlerinde anlamlı fark bulundu (p<0,05). Tartışma ve Sonuç: Çalışmamızda fiziksel aktivite seviyesi ile yaşam kalitesi arasında negatif yönde ilişki olduğu sonucuna varıldı. Daha geniş örneklemler üzerinde, gebelerde fiziksel aktiviteyi değerlendiren gebeliğe özgü bir fiziksel aktivite anketi kullanılarak gerçekleştirilecek çalışmalara ihtiyaç olduğu düşüncesindeyiz. Aim: In this study, we aimed to determine physical activity and life quality levels of pregnant women and to examine relations between them. Materials and Methods: A total of 210 women were included in this study. Sociodemographic characteristics of the women were obtained by using the demographic information form. The International Physical Activity Questionnaire—Short Form was used to investigate the women’s physical activity levels and the Nottingham Health Profile to assess their life quality. Results: There was a low negative correlation between physical activity level and the Nottingham Health Profile total, energy level, social isolation and sleep subparameters (for total r = -0.19, p = 0.007; for energy level r = - 0.17, p = 0.01; for social isolation r = -0.16, p = 0.01; and for sleep r = -0.14, p = 0.03). When life quality and physical activity were compared on the basis of gestational trimester, a significant difference was observed in the Nottingham Health Profile total, emotional reactions, social isolation and physical activity parameters and the International Physical Activity Questionnaire—Short Form values (p<0.05). Discussion and Conclusion: In this study we found a negative relation between physical activity and life quality levels. We are in the opinion that there is need to perform studies on larger samples by using a physical activity questionnaire developed specifically to assess physical activity in pregnancy.

5 September 2022 in Avrasya Sağlık Bilimleri Dergisi
Verified
Journal Article
Closed access
MSMeral Sertel
Meral Sertel
EYEylem Tütün Yümi̇n
Eylem Tütün Yümi̇n
AÖAlp Özel
Alp Özel
Aim: The present research aims to investigate the suitability of the Functional Independence and Difficulty Scale (FIDS) to the Turkish version and society and the efficiency of its clinical use and bring it into use for other researchers. Materials and Methods: One hundred forty older adults living in the society were enrolled in the research. The physical characteristics and clinical states of the individuals were recorded during their first evaluation, and their cognitive states were evaluated by the Mini-Mental State Examination (MMSE). The Turkish Version of the Functional Independence and Difficulty Scale (FIDS) was translated by professionals to investigate its validity and reliability. To test the validity, the Barthel Index for Activities of Daily Living (Barthel ADL) and the Katz Index of Activities of Daily Living (Katz Index ADL) were applied in the study. For the test-retest reliability, a retest was performed two weeks later by the same physiotherapist. Results: The ICC value of the FIDS was found to be 0.999 (95% CI; 0.995–1.000 excellent agreement).According to the correlation analysis, a high correlation was detected between the first and second assessments of the FIDS (p

23 October 2018 in Konuralp Tip Dergisi
Verified
Journal Article
Open access
PDF file
AÖAlp Özel
Alp Özel
EYEylem Tütün Yümi̇n
Eylem Tütün Yümi̇n
TTTuncer Tug
Tuncer Tug
MSMeral Sertel
Meral Sertel
Objective: The aim of this study was to investigate the effects of quadriceps muscle strength and kinesiophobia on health-related quality of life in elderly women and men with chronic obstructive pulmonary disease.Methods: After recording the socio-demographic information of individuals, the Visual Analogue Scale (VAS) for pain status, the modified Medical Research Council Scale (mMRCS) for dyspnea, TAMPA Scale for Kinesiophobia (TSK), Saint George Respiratory Questionnaire (SGRQ) for health-related quality of life, and manual dynamometer were used to measure for muscle strength of quadriceps.Results: Seventeen (37.8%) of the 45 participants were female. The mean age and body mass index of females were 71.59±4.84 years and 28.75±6.71 kg/m2, respectively. Kinesiophobia averages were 47.47±7.40 and 41.89±7.65 in women and men, respectively, and SGRQ(Symptom) scores were 75.97±15.87 and 63.89±18.54 in women and men, respectively. Statistical analysis showed that there was a significant difference between men and women between kinesiophobia and SGRQ(Symptom) (p<0.05). There was a correlation between kinesiophobia and SGRQ(Activity), SGRQ(Symptom) and SGRQ(Total) in females and kinesiophobia and SGRQ(Activity), SGRQ(Impact) and SGRQ(Total) in males (p<0.05). The TSK score was found to affect the quality of life, more in women (p0.05). Conclusion: In elderly individuals with COPD, kinesiophobia is an important factor affecting the quality of life and is recommended to increase physical activity, and monitor the physiological, emotional well-being in order to improve quality of life.

15 April 2026 in PeerJ
Verified
Journal Article
Open access
AÖAlp Özel
Alp Özel
EYElif Yakşi
Elif Yakşi
ÇÇÇağın Çevik
Çağın Çevik
MNMehmet Rahim Nazar
Mehmet Rahim Nazar
Background: Wrist-worn wearables like the Apple Watch are widely used to monitor physical activity in both clinical and home settings. But what happens when an middle-aged to older adults walks with a rolling walker or pushes an oxygen cart? This study shows that such devices dramatically impair step detection, leading to significant undercounting and potential clinical misinterpretation. This study aimed to evaluate the accuracy of a wrist-worn device (Apple Watch Series 8) and a waist-mounted device (Omron Walking Style IV) in middle-aged to older adults using common assistive walking aids. Methods: In a cross-sectional design, 42 community-dwelling middle-aged to older adults (aged 51–80) performed walking tasks under four assisted conditions (forearm crutch, rolling walker, oxygen trolley, and unassisted) and three treadmill speeds (1.61, 3.22, and 4.83 km/h). Step counts and distances recorded by each wearable device were compared to manual reference measures. Wilcoxon signed-rank tests and Bland–Altman analyses assessed accuracy and agreement. Results: The Apple Watch significantly underestimated step counts, particularly with a rolling walker (−36.4%, p < .001), and at low treadmill speed (−16.3% at 1.61 km/h). In contrast, the Omron pedometer demonstrated relatively consistent performance across most conditions, although it showed notable underestimation at the lowest walking speed (1.61 km/h). A weak correlation between arm length and Apple Watch error was observed ( r = − 0.38, p < .05). Conclusion: Wrist-worn activity monitors may be unsuitable for middle-aged to older adults using assistive devices due to undercounting. Waist-mounted devices offer more reliable step and distance tracking, supporting their use in clinical practice and home rehabilitation. Device selection and placement should be carefully considered in mobility-impaired populations.