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Low‐load resistance exercise during inactivity is associated with greater fibre area and satellite cell expression in older skeletal muscle

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Age‐related sarcopenia is accelerated by physical inactivity. Low‐load resistance exercise (LLRE) counters inactivity‐induced muscle atrophy in older adults, but changes in muscle fibre morphology are unstudied. We aimed to determine… Click to show full abstract

Age‐related sarcopenia is accelerated by physical inactivity. Low‐load resistance exercise (LLRE) counters inactivity‐induced muscle atrophy in older adults, but changes in muscle fibre morphology are unstudied. We aimed to determine the impact of LLRE during short‐term inactivity (step‐reduction) on muscle fibre size and capillarity as well as satellite cell (SC) content in older skeletal muscle.

Keywords: load resistance; muscle; low load; satellite cell; resistance exercise; inactivity

Journal Title: Journal of Cachexia, Sarcopenia and Muscle
Year Published: 2018

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