الفهرس 
ٌTitle : Interrelation between body composition and age on muscle torque, activeation and co-contraction in sedentary women in Cairo Government
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Abstract
Background: Obesity is becoming a problem of public health concern affecting different social and economic classes in Egypt, with little studies measuring the effect of obesity on musculoskeletal system, a relation between obesity and aging is very important to know the true impact of obesity. Aim: The aim of this study was performed to investigate the interrelation between body composition and aging on joint torque, muscle activation and co-contraction in sedentary women in Cairo government,Egypt. Design of the Study: Observational cross-sectional study Material and Methods: Eighty obese untrained females age selected from(18-70 years old) were participated in the study; they were assigned into equal two groups. group 1 consisted of young aged females. group 2 consisted of old aged females. planter flexion and dorsi flexion maximum voluntary contraction and agonist/antagonist ratio where measured by Biodex system 3 Pro Multi joint system isokinetic dynamometer, muscle activation and muscle co-contraction was measured by Electromyography (Neuro-EMG-Micro, Neurosoft, Ivanovo, Russia .Model: HPK-BOISB-0901-00, 2010)