Exercise-induced Fatigue In Muscular Dystrophies Explained

A new study suggests that the prolonged fatigue after mild exercise that occurs in people with many forms of muscular dystrophy is distinct from the inherent muscle weakness caused by the disease. The research identifies a faulty signaling pathway that appears to cause exercise-induced fatigue in mouse models of muscular dystrophy and shows that Viagra can overcome the signaling defect and relieve the fatigue.

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