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Journal of Strength & Conditioning Research:
Original Article: PDF Only

Short-Term Performance Effects of High Power, High Force, or Combined Weight-Training Methods.

HARRIS, GLENN R.; STONE, MICHAEL H.; O'BRYANT, HAROLD S.; PROULX, CHRISTOPHER M.; JOHNSON, ROBERT L.

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Abstract

Some controversy exists concerning the "transfer of training effect" from different methods of resistance-training programs to various athletic performance variables. The purpose of this study was to examine the effects of 3 different resistance-training methods on a variety of performance variables representing different portions of the force velocity curve, ranging from high force to high speed movements. Forty-two previously trained men (1 repetition maximum [RM] squat kg per kg body mass >= 1.4) served as subjects. After a 4-week high-volume training period and the pretests, the subjects were randomly assigned to 1 of 3 groups. The groups were high force (HF; n = 13), high power (HP; n = 16), and a combination training group (COM; n = 13); each group trained 4 d[middle dot]wk-1 for 9 weeks. Group HF trained using 80-85% of their 1RM values. Group HP trained at relative intensities approximating 30% of peak isometric force. Group COM used a combination training protocol. Variables measured pre-and posttraining were the 1RM parallel squat, 1RM 1/4 squat, 1RM midthigh pull, vertical jump (VJ), vertical jump power, Margaria-Kalamen power test (MK), 30-m sprint, 10-yd shuttle run (10-yd), and standing long jump (SLJ). Data were analyzed within groups with t-tests, and the between-group analysis used a group [chi] trials analysis of variance test. The HF group improved significantly in 4 variables (p <= 0.05 for squat, 1/4 squat, midthigh pull, MK), the HP group in 5 variables (p <= 0.05 for 1/4 squat, midthigh pull, VJ, MK, SLJ), and the COM group in 7 variables (p <= 0.05 for squat, 1/4 squat, midthigh pull, VJ, VJP, 10-yd). These results indicate that when considering the improvement of a wide variety of athletic performance variables requiring strength, power, and speed, combination training produces superior results.

(C) 2000 National Strength and Conditioning Association

 

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