Combined effects of aging and obesity on postural control, muscle activity and maximal voluntary force of muscles mobilizing ankle joint

The aim of the study was to investigate the influence of age and/or obesity on postural control, ankle muscle activities during balance testing and force production capacities. 4 groups; control group (CG; n = 25; age = 31.8 ± 7.5 years; BMI = 21.4 ± 2.5 kg/m2), obese group (OG; n = 25; age = 34.4 ±...

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Bibliographic Details
Published in:Journal of biomechanics 2018-10, Vol.79, p.198-206
Main Authors: Maktouf, Wael, Durand, Sylvain, Boyas, Sébastien, Pouliquen, Camille, Beaune, Bruno
Format: Article
Language:English
Subjects:
Adult
Age
Aged
Aging
Aging - physiology
Ankle
Ankle Joint - physiology
Ankle Joint - physiopathology
Balance
Biomechanical Phenomena
Body fat
Body mass index
Center of pressure
Contraction
Control methods
Electromyography
Force
Geriatrics
Human health and pathology
Humans
Lateral stability
Life Sciences
Lower limb
Male
Muscle Contraction
Muscle function
Muscle Strength
Muscle, Skeletal - physiology
Muscle, Skeletal - physiopathology
Muscles
Obesity
Obesity - physiopathology
Older people
Overweight
Parameters
Postural Balance - physiology
Posture
Production capacity
Production methods
Proprioception
Rotation
Tissues and Organs
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Summary:The aim of the study was to investigate the influence of age and/or obesity on postural control, ankle muscle activities during balance testing and force production capacities. 4 groups; control group (CG; n = 25; age = 31.8 ± 7.5 years; BMI = 21.4 ± 2.5 kg/m2), obese group (OG; n = 25; age = 34.4 ± 9.5 years; BMI = 39.6 ± 5.4 kg/m2), elderly group (EG; n = 15; age = 77.1 ± 8.4 years; BMI = 24.4 ± 1.3 kg/m2) and obese elderly group (ObEG; n = 12; age = 78.6 ± 6.6 years; BMI = 34.5 ± 3.1 kg/m2) performed maximal voluntary contraction (MVC) before testing to calculate the maximal relative force of ankle plantar flexor (PF) and dorsal flexor (DF) muscles. Center of pressure (CoP) parameters and the electromyography (EMG) activity of PF and DF muscles were collected during MVC, quiet standing and limit of stability (LoS) testing along antero-posterior and medio-lateral axes. Maximal relative force was higher in EG and ObEG than CG and OG, respectively (p 
ISSN:0021-9290
1873-2380
DOI:10.1016/j.jbiomech.2018.08.017