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Specificity of velocity in strength training

, : Specificity of velocity in strength training. European Journal of Applied Physiology & Occupational Physiology 52(1): 104-106

Male volunteers (21; ages 23-25 yr) were tested pre- and post training for maximal knee extension power at 5 specific speeds (1.05, 2.09, 3.14, 4.19 and 5.24 rad .cntdot. s-1) with an isokinetic dynamometer. Subjects were assigned randomly to 1 of 3 experimental groups; group S, training at 1.05 rad .cntdot. s-1 (n = 8), group I, training at 3.14 rad .cntdot. s-1 (n = 8) or group F, training at 5.24 rad .cntdot. s-1 (n = 5). Subjects trained the knee extensors by performing 10 maximal voluntary efforts in group S, 30 in group I and 50 in group F 6 times/wk for 8 wk. Though group S showed significant increases in power at all test speeds, the percent increment decreased with test speed from 24.8% at 1.05 rad .cntdot. s-1 to 8.6% at 5.24 rad .cntdot. s-1. Group I showed almost similar increment in power (18.5-22.4) at all test speeds except at 2.09 rad .cntdot. s-1(15.4%). Group F enhanced power only at faster test speeds (23.9% at 4.19 rad .cntdot. s-1 and 22.8% at 5.24 rad .cntdot. s-1).

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Accession: 006459183

PMID: 6686117

DOI: 10.1007/bf00429034

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