Calcineurin-mediated slow-type fiber expression and growth in reloading condition

Article Abstract:

Experimental models of suspension and reloading were used to examine the effects of load-bearing conditions on skeletal muscle fiber type and size. The results demonstrate that reloading-induced fiber-type reversion toward a slow profile in the mice soleus muscle is prevented by the administration of FK506.

Calcineurin, Skeletal muscle

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Age and activity status affect muscle reoxygenation time after maximal cycling exercise

Article Abstract:

A study was conducted to determine interaction of age and habitual physical activity on recovery time of muscle oxygenation following maximal cycling exercise. The results show that half-recovery time of muscle oxygenation was prolonged with aging, regardless of habitual physical activity levels.

Aging, Analysis, Cycling, Muscle regeneration, Aging (Biology), Clinical report

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Deterioration of muscle function after 21-day forearm immobilization

Article Abstract:

Research shows that no significant changes in forearm muscle morphology is observable in a 21-day forearm immobilization. However, the program results in the deterioraion of the muscle function ranging from 18 to 45%.

Japan, Usage, Influence, Magnetic resonance imaging, Forearm, Immobilization

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