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The heterogeneity of age-related muscle atrophy of lower limb muscles

Age-related skeletal muscle atrophy differs between upper and lower body muscles and may also differ between lower limb muscles, but these muscle-specific patterns remain poorly characterised. We acquired axial 3T magnetic resonance images from sex-balanced samples of thirty young (24+/-4 years) and thirty older adults (73+/-4 years). Muscle volume of seventeen lower limb muscles/compartments was…

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