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Background There is much interest in the capacity of resistance exercise to prevent the age-related loss of skeletal muscle mass and function, known as sarcopenia. This study investigates the molecular basis underlying the benefits of resistance exercise in aging C57BL/6J mice of both sexes. Results This study is the first to demonstrate that long-term (34 weeks) voluntary resistance wheel exercise...
Impaired sarcoplasmic reticulum (SR) function has been associated with reduced muscle force generation and locomotor function in aging animals. This study was conducted to determine the extent to which aging increased SR stress markers in male rats, and the extent to which volitional exercise affected them. We harvested medial gastrocnemius muscles from F344/BN rats that were adult (8 months; n = 8),...
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