Fatiguing high-intensity intermittent exercise depresses maximal Na+-K+-ATPase activity in human skeletal muscle assessed using a novel NADH-coupled assay
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The Na+-K+-ATPase is a critical regulator of ion homeostasis during contraction, buffering interstitial K+ accumulation, which is linked to muscle fatigue during intense exercise. Within this context, we adopted a recently reported methodology to examine exerc... ...