冰浆摄入对橄榄球联盟运动员运动后生理反应的影响

Akihisa Morito, T. Inami, Akihiro Hirata, Satoshi Yamada, Masatsugu Shimomasuda, Keita Kato, Shigeyuki Tahara, N. Kohtake
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引用次数: 0

摘要

运动后核心体温恢复延迟会对生理功能产生不利影响,摄入低温冰浆对运动后恢复的影响尚不清楚。我们研究了摄入−2°C冰浆对橄榄球联合训练后生理恢复的影响。15名大学橄榄球联盟球员参加了我们的随机对照研究。球员们在炎热的室外环境(湿球温度30.5°C)中参加了60分钟的训练。在训练后15分钟的恢复期内,运动员摄入5 g/kg体重的−2°C冰浆(ice,N=7)或30°C液体(CON,N=8)后,在体能测试中测量生理反应。测量鼓室温度和心率作为生理指标,以及储热。与CON组相比,ICE组在恢复期的鼓室温度和心率显著降低(p<0.05),储热增加(p<0.05)但在性能测试期间的生理指标没有改善。这些结果表明,在炎热的室外环境中训练后,摄入−2°C冰浆的量甚至低于之前报道的量,对生理恢复是有用的。
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Effect of Ice Slurry Ingestion on Post-Exercise Physiological Responses in Rugby Union Players
Delayed recovery of the core body temperature after exercise adversely affects physiological functions, and the effects of ingesting lower-temperature ice slurry on post-exercise recovery remain unclear. We investigated the effects of ingesting −2 °C ice slurry on physiological recovery after field-based rugby union training. Fifteen university rugby union players participated in our randomized controlled study. The players participated in the training for 60 min in a hot outdoor environment (wet-bulb globe temperature, 30.5 °C). Physiological responses were measured during a physical performance test performed after the players ingested either −2 °C-ice slurry (ICE, N = 7) at 5 g/kg body mass or a 30 °C-fluid (CON, N = 8) during the 15 min recovery period after the training. Tympanic temperatures and heart rates were measured as the physiological indices, as well as heat storage. The ICE group showed significantly decreased tympanic temperatures and heart rates (p < 0.05) during the recovery period and increased heat storage (p < 0.05) but did not show improvement of physiological indices during the performance test compared to the CON group. These results suggest that ingestion of −2 °C ice slurry in even lower amounts than those previously reported is useful for physiological recovery after training in hot outdoor environments.
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