Hormonal and metabolic responses to exercise in humans: effect of sensory nervous blockade.

Abstract

Previous studies have indicated that motor center ("feedforward") activity is important for hormonal and metabolic responses to exercise. Now, epidural blockade at vertebrae L3-L4 was used to evaluate the importance of afferent neural feedback from working muscles. Six healthy, young males cycled for 20 min at 55 +/- 4% (mean +/- SE) of maximal oxygen… (More)

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