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7-WEEK ACCOMMODATING RESISTANCE TRAINING IMPROVES WINGATE PEAK POWER BUT NOT MUSCULAR STRENGTH OR ENDURANCE IN STRENGTH-TRAINED, FEMALES

AL Parten

Abstract

Alyssa L. Parten. University of North Alabama, Florence, AL.

Accommodating resistance (AR) is a training technique that includes attaching elastic bands or chains to a loaded barbell to alter the resistance profile throughout barbell movement. This study was the first to quantify the effects of AR versus a traditional resistance (TR) training program on changes in strength and power profiles in a female cohort. Resistance-trained (training history: 2.4 ± 1.4 years) females (age: 22.1 ± 3.0 years) completed baseline and post-intervention tasks which included 1-repetition maximum (1-RM) testing in the back squat (BS) and bench press (BP), a repetition to failure in the BP (60% of 1-RM), and one 30-s maximal Wingate test. Following baseline testing, subjects were stratified (based on relative strength) into either the AR (n = 9) or TR (n = 10) group and then completed a supervised, 7-week training intervention. Both groups improved their 1-RM in both lifts, but no statistical differences were found between groups in 1-RM for BS, BP, or BP to failure (p > 0.05). However, the AR group increased Wingate peak power (837 ± 221 to 901 ± 215 W; p = 0.04), whereas TR (868 ± 244 to 8343 ± 182 W; p = 0.47) did not. This study supports AR with lighter relative barbell load incurs similar strength adaptations as TR. For coaches training athletes concerned with power, AR may be advantageous for improving rate of force development as demonstrated by large increases in peak Wingate power.

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