Witalo Kassiano, Bruna Costa, Gabriel Kunevaliki, Felipe Lisboa, Natã Stavinski, Aline Prado, Ian Tricoli, Jarlisson Francsuel, Luis Lima, JoãoPedro Nunes, Alex Silva Ribeiro, Edilson S Cyrino
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引用次数: 0
摘要
我们比较了进行传教士和倾斜二头肌卷曲对肘部屈肌大小和力量的变化。这是一项组间重复测量随机试验。63名年轻女性进行传教士式肱二头肌卷曲(PC, n = 30)或倾斜式肱二头肌卷曲(IC, n = 33),为期8周,每周两次。我们测量了肘关节近端、中端和远端屈肌的肌肉厚度。我们使用传教士卷曲(3RM- pc)和倾斜卷曲(3RM- ic)的三个最大重复(3RM)测试来评估肌肉力量。我们观察到与PC相比,IC中肘关节近端屈肌厚度增加更大(meandiff = 0.08 cm[95%可信区间(95% CI): 0.02, 0.13 cm])。我们观察到与IC相比,PC中肘关节远端屈肌厚度增加更大(meandiff = 0.10 cm [95% CI: 0.04, 0.15 cm])。PC组的3RM-PC增加幅度更大(meandiff = 1.88 kg [95% CI: 1.14, 2.62 kg])。IC显示3RM-IC增加更大(meandiff = 0.86 kg [95% CI: 0.10, 1.62 kg])。我们的研究结果表明,传教士和倾斜肱二头肌卷曲引起的肌肉生长存在区域差异。强度增加似乎遵循特异性原则。
Distinct muscle growth and strength adaptations after preacher and incline biceps curls.
We compared performing preacher and incline biceps curls on changes in elbow flexor muscle size and strength. This was a between-group repeated measure randomized trial. Sixty-three young women performed the preacher biceps curl (n=30) or the incline biceps curl (n=33) for 8 weeks, twice a week. We measured the muscle thickness of elbow flexors at the proximal, middle, and distal sites. We assessed the muscle strength using three repetition maximum tests in the preacher curl and the incline curl. We observed a greater increase in the proximal elbow flexor thickness in the incline biceps curl compared to the preacher biceps curl (mean difference=0.08 cm [95% confidence interval: 0.02, 0.13 cm]). We observed a greater increase in the distal elbow flexor thickness in the preacher biceps curl compared to the incline biceps curl (mean difference=0.10 cm [95%CI: 0.04, 0.15 cm]). The preacher biceps curl showed a greater increase in three repetition maximum tests in the preacher curl (mean difference=1.88 kg [95%CI: 1.14, 2.62 kg]). The incline biceps curl showed a greater increase in three repetition maximum tests in the incline biceps curl (mean difference=0.86 kg [95%CI: 0.10, 1.62 kg]). Our findings suggest regional differences in muscle growth induced by the preacher and incline biceps curls. Strength gains appear to follow the principle of specificity.
期刊介绍:
The IJSM provides a forum for the publication of papers dealing with both basic and applied information that advance the field of sports medicine and exercise science, and offer a better understanding of biomedicine. The journal publishes original papers, reviews, short communications, and letters to the Editors.