Warm-Up Intensity and Time-Course Effects on Jump Height under Cold Conditions.
Warm-Up Intensity and Time-Course Effects on Jump Height under Cold Conditions.
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DOI：
10.3390/ijerph19095781
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发表时间：
2022-05-09
影响因子：
--
通讯作者：
Tohyama, Harukazu
中科院分区：
文献类型：
--
作者：
Chiba, Itaru;Samukawa, Mina;Takizawa, Kazuki;Nishikawa, Yuriko;Ishida, Tomoya;Kasahara, Satoshi;Yamanaka, Masanori;Tohyama, Harukazu
通过本研究，我们旨在研究不同的热身强度的影响，随着时间的推移，在寒冷的条件下，反向运动跳跃（CMJ）的性能。11名男大学生运动员自愿参加。受试者在10 °C的实验室中使用自行车测力计进行80%VO2max的高强度热身（HWU）和60%VO2max的中等强度热身（MWU），持续15分钟。在热身前（Pre）、热身后即刻（Post 0）、热身后10 min（Post 10）和热身后20 min（Post 20）测量CMJ高度、股外侧肌温度、心率和感知疲劳。发现CMJ高度的显著主效应和交互作用（时间，p < 0.001和ηp2 = 0.859;交互作用，p = 0.007和ηp2 = 0.327）。与Pre相比，HWU显著增加了Post 0至Post 20的CMJ高度（p < 0.01），而MWU仅与Pre相比增加了Post 0的CMJ高度（p < 0.001）。结果表明，HWU在20 min内可使CMJ高度增加，MWU在瞬间改变CMJ高度，但在寒冷环境下，这种改变并不持久。
With this study, we aimed to investigate the effects of different warm-up intensities on counter-movement jump (CMJ) performance over time under cold conditions. Eleven male collegiate athletes volunteered. The participants performed high-intensity warm-up (HWU) at 80% VO2max and moderate-intensity warm-up (MWU) at 60% VO2max for 15 min on a bicycle ergometer in a laboratory room at 10 °C. CMJ height, vastus lateralis muscle temperature, heart rate, and perceived fatigue were measured before warm-up (Pre), immediately after (Post 0), 10 min after (Post 10), and 20 min after (Post 20). Significant main effects and interactions were found for CMJ height (time, p < 0.001 and ηp2 = 0.859; interaction, p = 0.007 and ηp2 = 0.327). HWU significantly increased CMJ height at Post 0 to Post 20 compared to that at Pre (p < 0.01), whereas MWU increased CMJ height at Post 0 only compared to that at Pre (p < 0.001). The results indicate that HWU achieved an increase in CMJ height for 20 min. MWU changed CMJ height instantly, but the change did not last compared to HWU in a cold environment.
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影响因子：
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作者：
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