PMID: 11317146Apr 24, 2001Paper

Multiple-joint velocity-spectrum strength/power development consequent to repetition manipulation

The Journal of Sports Medicine and Physical Fitness
Lawrence W Weiss, George E Relyea

Abstract

Various repetition strategies are employed in typical weight-training programs. Strength is purportedly best developed using relatively few repetitions against great resistance. Strength in this context has typically been measured isotonically (dynamic constant external resistance or DCER) by performing a one-repetition maximum (1 RM). Multiple-joint isokinetic (velocity controlled) strength assessments are now available which may enable us to emulate movement patterns and velocities with those occurring in everyday activities while providing us with force and power information that heretofore has been difficult to obtain. Therefore, we assessed the effects of various repetition schemes during heavy-resistance training on multiple-joint isokinetic performance. METHODS. Volunteers participated in 12 weeks (36 sessions) of variable-resistance weight training (8 different exercises) in one of the following programs: I-3 sets x 3-4 RM; II-3 x 9-10 RM; III-3 x 15-16 RM; IV, control. 48 apparently-healthy young men (18 to 34 years of age, X = 23.2) who had not participated in systematic heavy-resistance training during the previous year. Pre and post velocity-spectrum tests were conducted for both the squat (0.41, 0.65, 0.90, 1.14, a...Continue Reading

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