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Warm-Up Intensity and Time-Course Effects on Jump Height under Cold Conditions

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Title: Warm-Up Intensity and Time-Course Effects on Jump Height under Cold Conditions
Authors: Chiba, Itaru Browse this author
Samukawa, Mina Browse this author →KAKEN DB
Takizawa, Kazuki Browse this author →KAKEN DB
Nishikawa, Yuriko Browse this author
Ishida, Tomoya Browse this author
Kasahara, Satoshi Browse this author →KAKEN DB
Yamanaka, Masanori Browse this author →KAKEN DB
Tohyama, Harukazu Browse this author →KAKEN DB
Keywords: cold
counter-movement jump
Issue Date: 9-May-2022
Publisher: MDPI
Journal Title: International journal of environmental research and public health
Volume: 19
Issue: 9
Start Page: 5781
Publisher DOI: 10.3390/ijerph19095781
PMID: 35565176
Abstract: 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 degrees 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 eta(2)(p) = 0.859; interaction, p = 0.007 and eta(2)(p) = 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.
Type: article
Appears in Collections:保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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