The effects of high- and moderate-resistance training on muscle function in the elderly |
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Authors: | Kalapotharakos Vasilios I Michalopoulou Maria Godolias George Tokmakidis Savvas P Malliou Paraskevi V Gourgoulis Vasilios |
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Affiliation: | Dept. of Physical Education and Sport Science, Democritus University of Thrace, PC 69100, Komotini, Greece. |
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Abstract: | The purpose of this study was to investigate the effects of a 12-week resistance-training program on muscle strength and mass in older adults. Thirty-three inactive participants (60-74 years old) were assigned to 1 of 3 groups: high-resistance training (HT), moderate-resistance training (MT), and control. After the training period, both HT and MT significantly increased 1-RM body strength, the peak torque of knee extensors and flexors, and the midthigh cross-sectional area of the total muscle. In addition, both HT and MT significantly decreased the abdominal circumference. HT was more effective in increasing 1-RM strength, muscle mass, and peak knee-flexor torque than was MT. These data suggest that muscle strength and mass can be improved in the elderly with both high- and moderate-intensity resistance training, but high-resistance training can lead to greater strength gains and hypertrophy than can moderate-resistance training. |
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