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

Itaru Chiba, Mina Samukawa, Kazuki Takizawa, Yuriko Nishikawa, Tomoya Ishida, Satoshi Kasahara, Masanori Yamanaka and Harukazu Tohyama
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Itaru Chiba: Department of Rehabilitation, Nishioka Daiichi Hospital, Sapporo 062-0033, Japan
Mina Samukawa: Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan
Kazuki Takizawa: Institute of Physical Development Research, Sapporo 060-0061, Japan
Yuriko Nishikawa: Department of Exercise Physiology, Nippon Sport Science University, Tokyo 158-8508, Japan
Tomoya Ishida: Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan
Satoshi Kasahara: Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan
Masanori Yamanaka: Faculty of Health Science, Hokkaido Chitose College of Rehabilitation, Chitose 066-0055, Japan
Harukazu Tohyama: Faculty of Health Sciences, Hokkaido University, Sapporo 060-0812, Japan

IJERPH, 2022, vol. 19, issue 9, 1-8

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% VO 2max and moderate-intensity warm-up (MWU) at 60% VO 2max 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 η p 2 = 0.859; interaction, p = 0.007 and η p 2 = 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.

Keywords: cold; high-intensity; warm-up; moderate-intensity; counter-movement jump; temperature (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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