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Alvaro Mateos-Angulo
Department of Physiotherapy, IBIMA, University of Málaga, 29017 Malaga, Spain

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Journal article
Published: 13 August 2021 in Diagnostics
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The purpose of the present study was to investigate the associations between muscle thickness and echo intensity with cognitive and physical dimensions like functional capacity measured in older people. This cross-sectional study involved 20 older adults (15 women and 5 men, mean age ± SD: 85 ± 7 years, body mass index: 25 ± 3 kg/m2) from a geriatric centre in Malaga (Spain). Anthropometric measurements, cognitive assessment with Pfeiffer Short Portable Mental Status Questionnaire and Motor Memory test, Physical Performance with Short Physical Performance Battery, and muscle strength were tested. Additionally, using B-mode ultrasonography, images of wrist flexors, biceps brachii, rectus femoris, vastus lateralis, medial gastrocnemius, and tibialis anterior were captured, and muscle thickness and echo intensity variables were extracted. An association between muscle parameters assessed by ultrasonography and cognitive and physical dimensions were found in older people. Echo intensity was the best predictor in a set of regression models with different muscle parameters and a battery of cognitive and physical tests in older people. Echo intensity adjusted by handgrip strength could be a low cost and ambulatory index and an indirect and reversible indicator of functional capacity.

ACS Style

Alvaro Mateos-Angulo; Alejandro Galán-Mercant; Antonio Ignacio Cuesta-Vargas. Muscle Thickness and Echo Intensity by Ultrasonography and Cognitive and Physical Dimensions in Older Adults. Diagnostics 2021, 11, 1471 .

AMA Style

Alvaro Mateos-Angulo, Alejandro Galán-Mercant, Antonio Ignacio Cuesta-Vargas. Muscle Thickness and Echo Intensity by Ultrasonography and Cognitive and Physical Dimensions in Older Adults. Diagnostics. 2021; 11 (8):1471.

Chicago/Turabian Style

Alvaro Mateos-Angulo; Alejandro Galán-Mercant; Antonio Ignacio Cuesta-Vargas. 2021. "Muscle Thickness and Echo Intensity by Ultrasonography and Cognitive and Physical Dimensions in Older Adults." Diagnostics 11, no. 8: 1471.

Original article
Published: 28 August 2019 in Aging Clinical and Experimental Research
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Ultrasound is a low-cost, safe and accessible tool to use on muscle mass assessment. The relations between muscle thickness and lower limb function have not been investigated in institutionalized elderly people. The purpose of the present study was to investigate the associations among sit-to-stand capacity, ultrasound-measured rectus femoris muscle thickness, hand grip strength and anthropometrics in a population of institutionalized older adults. Twelve older adults (nine women and three men, mean age ± SD 86 ± 7 years, body mass index 24 ± 3 kg/m2) participated in this cross-sectional study. Sit-to-stand capacity using five-repetition sit-to-stand test, rectus femoris muscle thickness using B-mode ultrasonography, handgrip and anthropometric were measured. The relationships of the variables were analyzed using Pearson correlation coefficient and multiple linear regression analysis. Significant bivariate correlations were found between rectus femoris muscle thickness and sit-to-stand test (p < 0.05). Multiple linear regression analysis showed associations between rectus femoris muscle thickness and sit-to-stand test, after adjusting by body mass index and age (p < 0.0001). Rectus femoris thickness in contraction adjusted by body mass index and age was predictors of physical performance. The independent variables shared 78.6% of variance in the sit-to-stand test. Rectus femoris muscle thickness measured with ultrasonography, body mass index and age could explain functionality in institutionalized older adults measured by five-repetition sit-to-stand test.

ACS Style

A. Mateos-Angulo; A. Galán-Mercant; A. I. Cuesta-Vargas. Muscle thickness contribution to sit-to-stand ability in institutionalized older adults. Aging Clinical and Experimental Research 2019, 32, 1477 -1483.

AMA Style

A. Mateos-Angulo, A. Galán-Mercant, A. I. Cuesta-Vargas. Muscle thickness contribution to sit-to-stand ability in institutionalized older adults. Aging Clinical and Experimental Research. 2019; 32 (8):1477-1483.

Chicago/Turabian Style

A. Mateos-Angulo; A. Galán-Mercant; A. I. Cuesta-Vargas. 2019. "Muscle thickness contribution to sit-to-stand ability in institutionalized older adults." Aging Clinical and Experimental Research 32, no. 8: 1477-1483.

Journal article
Published: 31 May 2019 in Nutrients
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Muscle thickness, measured by ultrasonography, has been investigated for nutritional assessment in older adults, however the associations between muscle ultrasound parameters in the lower limb and nutritional status have not been studied. The aim of this study was to investigate the relationship between muscle thickness echo intensity (EI), and nutritional status in home care residents. A cross sectional study was conducted involving 19 older adults from a home care in Malaga (Spain). We evaluated lower leg muscles by ultrasound, anthropometric data, physical function (measured by gait speed and the Short Physical Performance Battery), strength (handgrip and knee extensors strength) and nutritional status across the Mini-Nutritional Assessment Short-Form (MNA-SF). We found that muscle thickness assessed by ultrasonography independently predicts nutritional status by MNA-SF and after adjusting for handgrip strength or age and sex. As secondary findings, we found relations between strength, functional capacity and the MNA-SF test. These results suggest that lower leg muscle ultrasound parameters could be used as a low-cost objective method for muscle evaluation in nutritional assessment in older adults.

ACS Style

Alvaro Mateos-Angulo; Alejandro Galán-Mercant; Antonio Ignacio Cuesta-Vargas. Ultrasound Muscle Assessment and Nutritional Status in Institutionalized Older Adults: A Pilot Study. Nutrients 2019, 11, 1247 .

AMA Style

Alvaro Mateos-Angulo, Alejandro Galán-Mercant, Antonio Ignacio Cuesta-Vargas. Ultrasound Muscle Assessment and Nutritional Status in Institutionalized Older Adults: A Pilot Study. Nutrients. 2019; 11 (6):1247.

Chicago/Turabian Style

Alvaro Mateos-Angulo; Alejandro Galán-Mercant; Antonio Ignacio Cuesta-Vargas. 2019. "Ultrasound Muscle Assessment and Nutritional Status in Institutionalized Older Adults: A Pilot Study." Nutrients 11, no. 6: 1247.

Journal article
Published: 26 August 2015 in JMIR Rehabilitation and Assistive Technologies
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Vertical jump tests are used in athletics and rehabilitation to measure physical performance in people of different age ranges and fitness. Jumping ability can be analyzed through different variables, and the most commonly used are fly time and jump height. They can be obtained by a variety of measuring devices, but most are limited to laboratory use only. The current generation of smartphones contains inertial sensors that are able to record kinematic variables for human motion analysis, since they are tools for easy access and portability for clinical use. The aim of this study was to describe and analyze the kinematics characteristics using the inertial sensor incorporated in the iPhone 4S, the lower limbs strength through a manual dynamometer, and the jump variables obtained with a contact mat in the squat jump and countermovement jump tests (fly time and jump height) from a cohort of healthy people. A cross sectional study was conducted on a population of healthy young adults. Twenty-seven participants performed three trials (n=81 jumps) of squat jump and countermovement jump tests. Acceleration variables were measured through a smartphone’s inertial sensor. Additionally, jump variables from a contact mat and lower limbs dynamometry were collected. In the present study, the kinematic variables derived from acceleration through the inertial sensor of a smartphone iPhone 4S, dynamometry of lower limbs with a handheld dynamometer, and the height and flight time with a contact mat have been described in vertical jump tests from a cohort of young healthy subjects. The development of the execution has been described, examined and identified in a squat jump test and countermovement jump test under acceleration variables that were obtained with the smartphone. The built-in iPhone 4S inertial sensor is able to measure acceleration variables while performing vertical jump tests for the squat jump and countermovement jump in healthy young adults. The acceleration kinematics variables derived from the smartphone’s inertial sensor are higher in the countermovement jump test than the squat jump test.

ACS Style

Alvaro Mateos-Angulo; Alejandro Galán-Mercant; Antonio Cuesta-Vargas; Nora Millor. Mobile Jump Assessment (mJump): A Descriptive and Inferential Study. JMIR Rehabilitation and Assistive Technologies 2015, 2, e7 .

AMA Style

Alvaro Mateos-Angulo, Alejandro Galán-Mercant, Antonio Cuesta-Vargas, Nora Millor. Mobile Jump Assessment (mJump): A Descriptive and Inferential Study. JMIR Rehabilitation and Assistive Technologies. 2015; 2 (2):e7.

Chicago/Turabian Style

Alvaro Mateos-Angulo; Alejandro Galán-Mercant; Antonio Cuesta-Vargas; Nora Millor. 2015. "Mobile Jump Assessment (mJump): A Descriptive and Inferential Study." JMIR Rehabilitation and Assistive Technologies 2, no. 2: e7.