Effect of experimentally induced muscular tension on psychomotor performance.

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Abstract
Under investigation were the effects of experimentally induced muscular tension on the acquisition of a psychomotor response, and whether such effects were related to learning or performance. The Two-Hand Matching Test was used. The Ss in each of three experimental groups kept either 10, 20, or 30 lb. suspended by pressing stirrups to the floor throughout the trials of an initial practice session. Following rest, a final practice session was given without induced muscular tension. Comparison with a control group which practiced without weights throughout was made. Results were negative. Experimental groups and control group did not differ importantly at any stage of training, nor did evidence support the hypothesis that tension would be detrimental to high-ability Ss and beneficial for low-ability Ss.

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