Isometric cross-transfer effects under conditions of central facilitation

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Abstract
Fifteen male subjects were given 16 trials of isometric flexion under two test conditions for each limb. Condition 1 consisted of odd-numbered trials being separate unilateral and even-numbered trials simultaneous bilateral contractions. In condition 2, the first 11 trials were separate unilateral and the last 5 trials were simultaneous bilateral. There was no evidence of central facilitation effects due to simultaneous bilateral versus separate unilateral wrist flexion during fatigued or nonfatigued states or upon dominant or nondominant limbs. Analysis of variance revealed only the linear trend component was significant in fatigue curves accounting for all but a small percentage of the observed variation in strength in the four experimental conditions. cross education; proprioception Submitted on June 11, 1964

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