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Influence of recombinant human growth hormone therapy on skeletal muscle fatigue and exercise-induced fatigability. Left panel: Skeletal muscle fatigue during repetitive isokinetic contractions of the knee extensors at 90°/sec. Right panel: Change in perceptual fatigue rating induced by knee extensor testing. Symbols and error bars depict means and standard errors, respectively. n = 5 males, 4 females.
