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훈련 시 현장 발한테스트를 통한 운동선수의 체수분 상태, 발한율, 땀의 전해질 농도 및 손실량 평가

Assessment of dehydration, sweat rate, electrolyte loss through the field sweat test on athletes

박현|배수진
국민체육진흥공단 한국스포츠과학원 (Korea Institute of Sport Science)|2020.06|체육과학연구 (Korean Journal of Sport Science)|제31권 제2호|pp. 360-369|DOI 10.24985/kjss.2020.31.2.360

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키워드

탈수Dehydration체수분 상태평가발한테스트요비중발한율땀의 나트륨·칼륨 농도나트륨·칼륨 손실량Hydration assessmentSweat testUSG(urine specific gravity)Sweat rateSweat sodium·potassium concentration
주제분류체육

초록

스포츠 현장에서 체수분 상태평가와 발한테스트를 진행한 선행 연구의 실험 방법을 확인하고 실제 국내 실내(배드민턴) 및 실외(럭비) 종목 선수에게 적용하여 운동 전 체수분 상태, 운동 중 발한량, 땀의 전해질 구성을 분석과 수분 섭취 상태를 평가하는 것이다. [방법] 배드민턴 남자선수 14명, 럭비 남자선수 17명을 대상으로 평소 훈련하는 방법과 환경에서 한 시간 동안 측정을 진행하였다. 요비중으로 운동 전 체수분 상태를 평가하고, 발한테스트를 통해 운동 중 수분 손실과 땀의 전해질 농도 및 손실량을 조사하였다. [결과] 운동 전 요비중은 배드민턴 집단과 럭비 집단 모두 1.024±0.004kg/L로 나타나 탈수상태인 것을 확인하였다. 운동 중 발한율과 전신 전해질 손실량을 측정하여 필요한 수분 섭취량과 전해질 공급량을 확인하였다. [결론] 본 연구는 선수의 탈수증상 예방과 경기력 유지를 위한 체수분 상태평가와 발한테스트를 국내 스포츠 현장에 적용하고 후속 연구에 필요한 실험 방법 제시와 기초자료를 제공하여 과학적인 체수분 관리 지침의 제작이 가능하도록 하는 데 의미가 크다고 사료된다.

Abstract

[Purpose] The purpose of this study was to confirm and evaluate the assessment of dehydration, whole body sweat rate, sweat sodium·potassium concentration, and fluid intake during workout in college badminton and rugby athletes using the field sweat test. [Methods] 14 male badminton athletes and 17 male rugby athletes were measured during an usual training session in a typical environment. USG(urine specific gravity) was measured before the start of training. Whole body sweat rate, sweat sodium·potassium concentration, and fluid intake were measured during and post a session of training. [Results] USG higher than 1.023 in both groups, which was considered as dehydrated. Sweating rate were 1.037±0.315L/h for the badminton athletes and 1.987±0.386L/h for the rugby athletes. The concentration of sodium and potassium were 53.6±20.2mmol/L, 4.1±0.7mmol/L for badminton athletes, and 55.6±15.2mmol/L, 4.3±0.5mmol/L for rugby athletes, respectively. The loss of sodium and potassium were 1.02±0.48g, 0.08±0.02g for badminton athletes, and 1.95±0.52g, 0.15±0.03g for rugby athletes, respectively. [Conclusion] In this study, a standard protocol of field sweat test was suggested as a useful factor in evaluating athletes' hydration status and electrolyte loss during a routine in-door or out-door training session. And, it is expected to build reliable data to establish a standard hydration guideline for Korean athletes.

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