Influence of two different modes of resistance training in female subjects

Hikaru Hisaeda*, Kyoko Miyagawa, Isao Muraoka, Shin YA Kuno, Tetsuo Fukunaga


研究成果: Article査読

35 被引用数 (Scopus)


In resistance training, it has been empirically accepted that muscle hypertrophy is developed by low intensity and high volume training, while muscle strength and power are developed by high intensity and low volume training. The purpose of the present study was to investigate the influence of two different modes of resistance training on isokinetic strength and muscle cross-sect tonal area (CSA) in females. Eleven females, who had no experience in resistance training, participated in this study and were randomly divided into two groups. The former consisted of 4-5 sets of 15-20 RM (repetition maximum) with sufficient rest between sets (Group H), while the latter consisted of 8-9 sets of 4-6 RM with 90s of rest between sets (Group S). The former was assumed to be appropriate for muscle hypertrophy and the latter muscle strength, respectively. All subjects completed isotonic knee extension exercise three times a week for 8 weeks. Measurements were made on quadriceps muscle cross-sectional area (CSA) and isokinetic torques at 0, 60, 180, and 300°/s before training, at the fifth week and the end of training period. Muscle CSA was defined as the sum of CSA measured at 30, 50 and 70% of femur length, After training, muscle CSA had significantly increased in both groups: 3·3 ± 0·7% (p <·05) for group H and 3·6 ± 1·1% (p < ·05) for group S, respectively. While the changes in isokinetic torque were 43·4 ± 47·5% (p <·05) for group H and 27·4 ± 31·3% (p <·05) for group S, respectively. In both groups the percentage changes of the isokinetic strength were significantly higher than those of the CSA. No significant difference in these variables were found between the two groups. These results suggest that during the early phase of resistance training two different modes of resistance training may have similar effects on muscle CSA and isokinetic strength in untrained females.

出版ステータスPublished - 1996 6 1

ASJC Scopus subject areas

  • 人的要因と人間工学
  • 理学療法、スポーツ療法とリハビリテーション


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