下拉练习中足部位置对背阔肌和下背部肌肉活动的影响。
Effect of the Foot Placements on the Latissmus Dorsi and Low Back Muscle Activities during Pull-down Exercise.
作者信息
Yoo Won-Gyu
机构信息
Department of Physical Therapy, College of Biomedical Science and Engineering, Inje University and Elderly Life Redesign Institute.
出版信息
J Phys Ther Sci. 2013 Sep;25(9):1155-6. doi: 10.1589/jpts.25.1155. Epub 2013 Oct 20.
[Purpose] The purpose of this study was to examine the effects of foot placement on the latissmus dorsi and low back muscles activities during pull-down exercise. [Subjects] For this study, we recruited 10 male volunteers. [Methods] The subjects performed pull-down exercises with 4 foot placement conditions. The activities of the latissmus dorsi and L4 paraspinal muscles were measured. [Results] The activities of the latissmus dorsi muscles significantly increased in the order of conditions 1 and 2 < condition 4 < condition 3. The activities of the L4 paraspinal muscles were significantly different, with the activities of conditions 1 and 2 being greater than those of conditions 3 and 4. [Conclusion] We suggest that the selection of foot placement is an important factor for the effective strengthening of the latissmus dorsi.
[目的] 本研究旨在探讨下拉练习过程中足部放置对背阔肌和下背部肌肉活动的影响。[受试者] 本研究招募了10名男性志愿者。[方法] 受试者在4种足部放置条件下进行下拉练习。测量背阔肌和L4椎旁肌的活动。[结果] 背阔肌的活动在条件1和2 < 条件4 < 条件3的顺序下显著增加。L4椎旁肌的活动有显著差异，条件1和2的活动大于条件3和4的活动。[结论] 我们认为足部放置的选择是有效强化背阔肌的一个重要因素。
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