期刊
EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY
卷 89, 期 6, 页码 578-586出版社
SPRINGER
DOI: 10.1007/s00421-003-0842-2
关键词
resistance training; strength
The purpose of this study was to examine the effect of isokinetic eccentric (ECC) and concentric (CON) training at two velocities [fast, 180degrees s(-1) (3.14 rad s(-1)) and slow, 30degrees s(-1) (0.52 rad s(-1))] on muscle hypertrophy. Twenty-four untrained volunteers (age 1836 years) participated in fast- (n = 13) or slow- (n = 11) velocity training, where they trained one arm eccentrically for 8 weeks followed by CON training of the opposite arm for 8 weeks. Ten subjects served as controls (CNT). Subjects were tested before and after training for elbow flexor muscle thickness by sonography and isokinetic strength (Biodex). Overall, ECC training resulted in greater hypertrophy than CON training (P<0.01). No significant strength or hypertrophy changes occurred in the CNT group. ECC (180degrees s(-1)) training resulted in greater hypertrophy than CON (180degrees s(-1)) trainin and CON (30degrees s(-1)) training (P<0.01). ECC (30degrees s(-1)) training resulted in greater hypertrophy than CON (180degrees s(-1)) training (P<0.05), but not CON (30degrees s(-1)) training. ECC (180degrees s(-1)) training resulted in the greatest increases in strength (P<0.01). We conclude that ECC fast training is the most effective for muscle hypertrophy and strength gain.
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