Journal
RESEARCH QUARTERLY FOR EXERCISE AND SPORT
Volume 71, Issue 2, Pages 162-170Publisher
AMER ALLIANCE HEALTH PHYS EDUC REC & DANCE
DOI: 10.1080/02701367.2000.10608894
Keywords
EMG; strength; sport psychology
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Force and electromyographic (EMG) activity of the biceps and triceps brachii were measured in 15 strength-trained men during maximal isometric action of the forearm flexors, with the elbow at 90 degrees, following 20-s periods of psyching (PSY), reading aloud (RA), and mental arithmetic (MA). Perceived arousal and attentional focus ratings for PSY were greater than those obtained for RA and MA, which were undifferentiated. Perceived effort, biceps and triceps EMG, and maximal force did not differ across conditions. Therefore, in highly trained men under conditions of brief exertion, when the biomechanics of the muscular action were controlled, psyching resulted in a perception of enhanced readiness but did not influence force or muscular activation differently from psychological states that were preceded by distraction.
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