Relationship Between Body Segment Mass and Running Performance in Well-Trained Endurance Runners
Relationship Between Body Segment Mass and Running Performance in Well-Trained Endurance Runners
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训练有素的耐力跑者身体部位质量与跑步表现之间的关系
DOI：
10.1123/jab.2020-0239
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发表时间：
2021
影响因子：
1.4
通讯作者：
Isaka Tadao
中科院分区：
文献类型：
--
作者：
Ueno Hiromasa;Suga Tadashi;Takao Kenji;Terada Masafumi;Nagano Akinori;Isaka Tadao
本研究考察了耐力跑者身体节段质量与跑步表现之间的关系。使用双能x射线吸收计测量了37名训练有素的耐力跑者的腿、臂和躯干的总（肌肉、脂肪和骨量）、瘦（肌肉量）和脂肪量。通过将绝对质量归一化到身体质量来计算相对节段质量。所有3个赛段的绝对总质量、瘦质量和脂肪质量与个人最佳5000米比赛时间之间没有显著相关性。臂段3个相对质量与个人最佳5000米成绩之间也没有显著的相关性。相反，腿段的相对总质量和瘦质量与个人最佳5000米比赛时间呈中等正相关(r=。387和。p≤0.031)。此外，躯干段的相对总质量和瘦质量与个人最佳5000米比赛时间呈显著负相关（r=−）。500和−。548例，p≤0.002)。这些发现表明，较小的腿部质量和较大的躯干质量可能有利于耐力跑者获得更好的跑步表现。
This study examined the relationship between body segment mass and running performance in endurance runners. The total (muscle, fat, and bone masses), lean (muscle mass), and fat masses of the leg, arm, and trunk segments in 37 well-trained endurance runners were measured using dual-energy X-ray absorptiometer. The relative segment mass was calculated by normalizing the absolute mass to body mass. There were no significant correlations between absolute total, lean, and fat masses of all 3 segments and personal best 5000-m race time. No significant correlations were also observed between all 3 relative masses of the arm segment and personal best 5000-m race time. In contrast, medium positive correlations were observed between the relative total and lean masses of the leg segment and personal best 5000-m race time (r= .387 and .335, respectively, bothP≤ .031). Furthermore, large negative correlations were observed between the relative total and lean masses of the trunk segment and personal best 5000-m race time (r= −.500 and −.548, respectively, bothP≤ .002). These findings suggest that a mass distribution with smaller leg mass and greater trunk mass may be advantageous for achieving better running performance in endurance runners.