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角力運動員快速脫水減重所造成的生理影響

Effects of Rapid Dehydration and Weight Loss in Wrestlers

摘要


角力是根據體重分級的比賽,通常選手在訓練期間的體重會較所參加的比賽量級上限為高,至過磅前以各種方式降低至參賽標準,過磅後再補充飲食,增加體重與體力,長期下來,則會造成體重循環(weight cycling)。本文綜合相關文獻,探討角力選手的生理特性,做為選材與訓練的參考,同時探討快速脫水及體重循環對選手無氧功率、肌力、肌耐力、安靜時代謝率和蛋白質營養的影響。快速脫水或體重循環對上述生理功能都有負面的影響,因此如何保持穩定且合理的體重,儘量減少快速脫水或體重循環的頻率,是角力選手與教練必需特別注意的一環。

關鍵字

角力 體重循環 脫水 無氧功率

並列摘要


Wrestling competitions are categorized according to body weights. Most wrestlers maintain body weights higher than their specific weight classes in the training period, then try to lose weights using various methods prior to the competition. Between weighing in and competition, wrestlers usually eat certain foods to recover from the loss of strength and endurance during the weight-cutting period. This paper summarized the physiological characteristics of wrestlers and the effects of rapid dehydration and weight cycling on anaerobic power, muscle strength and endurance, resting metabolic rate, and protein nutrition. Most studies suggested that dehydration or weight cycling had negative impacts on the aforementioned physiological factors. It is concluded that to maintain stable and reasonable body weight and minimize the frequency of rapid dehydration or weight cycling are important issues for wrestlers and their coaches.

並列關鍵字

wrestling weight cycling dehydration anaerobic power

參考文獻


Blackburn, G. L.,Wilson, G. T.,Kanders, B. S.,Stein, L. J.,Lavm, P. T.,Adier, J.,Brownell, K. D.(1989).Weight cycling: the experience ofhuin.in dieters.American Journal of Cliniral Nutrition.49
Brownell, K. D.,Greenwood, M. R.,Stellar, E.,Shrager, E. E.(1986).The effects of repeated cycles of weight loss and regain in rats.Physiology & Behavior.38
Horswill, C. A.(1992).Applied physiology of amateur wrestling.Sports Medicine.14
Horswill, C. A.,Miller, J. E.,Scott, J. R.,Smith. C. M.,Welk, G.,Van Handel, P.(1992).Anaerobic and aerobic power in arms and legs of elite senior wrestlers.International Journal of Sports Medicine.13
Horswill, C. A.,Park, S, H.,Roemmich, J. N.(1990).Changes in the protein nutritional status of adolescent wrestlers.Medicine & Science in Sport & Exercise.22

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