未经训练的男性股四头肌力量发展中,两组与三组的生理意义

J. Baker, D. Buchan, D. Wong, B. Davies, S. Cooper, M. Davies, L. Kilgore
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引用次数: 1

摘要

背景:本研究的目的是确定两种不同运动量(2组与3组)阻力训练后力量增加的差异是否明显。方法:7名男性(年龄=21.6±1.5)完成研究。每个受试者在腿部伸展练习中用两组训练一条腿,用三组训练另一条腿。将受试者随机分为两组,然后将治疗方法随机分为两组,以尽量减少偏倚:一组分配两组右腿和三组左腿(3L 2R;n = 3),一组分配3组右腿和2组左腿(3R 2L;n = 4)。在每周三次训练和六周持续训练计划之前,确定每个参与者的每条腿的最大重复次数(1RM)。每组训练包括6次重复,每次训练的工作量为80% 1RM。1RM在2周和4周后进行测试,允许将训练工作量调整到当前1RM的80%,以应用进展原则。结果:两组和三组腿训练前后的绝对1RM测量值比较,差异均有统计学意义(p<0.05)。两套腿和三套腿的变化幅度有显著差异,分别为12.6 kg和19.4 kg (p=0.02)。结论:虽然六周的两组或三组腿部伸展运动训练都能显著增加股四头肌的力量,但三组的配置比两组的变化幅度要大得多。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Physiological Implications of Two versus Three Sets in the Development of Quadriceps Muscle Strength in Untrained Men
Background: The purpose of this study was to determine if differences in strength gain are apparent following resistance training at two different exercise volumes (2-sets versus 3-sets). Methods: Seven men (age=21.6 ± 1.5) completed the study. Each subject trained one leg in the leg extension exercise using two sets and trained the other using three sets. Subjects were randomly assigned to two groups then treatments were randomly assigned to groups to minimize bias: one group assigned two sets right leg and three sets left leg (3L 2R; n = 3), one group assigned three sets right leg and two sets left leg (3R 2L; n=4). One repetition maximum (1RM) was determined for each leg of each participant for the leg extension prior to the three sessions per week and six week duration training program. Each set included in training consisted of six repetitions at a workload of 80% 1RM during each session. 1RM was tested after 2 and 4 weeks allowing for training workloads to be adjusted to 80% of current 1RM to apply the principle of progression. Results: Significant differences were apparent when comparing pre- and post-training absolute 1RM measures for both the two set and three set legs (p<0.05). There was a significant difference in magnitude of change between the two set and three set legs, 12.6 kg versus 19.4 kg respectively (p=0.02). Conclusion: While six weeks of either two or three sets of the leg extension exercise training both significantly increase quadriceps strength, the three set configuration creates a significantly larger magnitude of change compared to two sets.
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