12주간의 훈련프로그램이 생리주기에 따른 난소 및 성장 관련 호르몬, Cortisol에 미치는 영향
Effects of 12wks Training Program on Menstrual Cycle in Ovarian and Growth Related Hormone and Cortisol
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이 연구는 첫째, 12주간 훈련프로그램 처치가 여성의 체지방률과 생리주기, 난소호르몬, 성장관련호르몬, cortisol 분비에 영향을 미칠 수 있는지, 둘째 12주간의 훈련프로그램이 생리주기 (월경기, 분비기)에 따라 이러한 변인에 영향을 미칠 수 있는지를 연구하기 위하여 성인여성 22명을 대상으로 훈련군 11명(age 22.5±1.5 yrs), 대조군 11명(age 22.7±1.2 yrs)으로 나누어 운동을 실시하였다. 훈련프로그램은 준비운동과 정리운동, 유산소운동(달리기), 웨이트 트레이닝을 포함한 운동을 개인에 따라 45-55분간 주 5회 실시하였으며 대조군은 일상생활을 유지하도록 하였다. 각각의 처치에 대한 효과를 살펴보기 위하여 처치 전후로 생리주기, 체구성 성분, 난소호르몬(estrogen, progesterone)과 성장관련호르몬(growth hormone, testosterone), cortisol을 검사하였으며, 자료처리는 반복측정에 의한 3원 변량을 이용하여 분석하였다. 분석결과 12주간의 훈련은 체중과 체지방률을 감소시키고(각각 p<.05, p<.01) 성장호르몬은 유의하게 증가시켰다(p<.05). Cortisol의 경우 월경기의 변화는 없었으나 분비기에서 훈련 후 유의하게 감소되어(p<.05) 월경주기에 따른 변화차이를 보였다. 결론적으로 12주간의 훈련은 여성의 생리주기에 영향을 미치지 않았지만, 성장호르몬을 증가시켰으며 생리주기에 따른 cortisol의 변화를 보였다.
Abstract
The purpose of this study was to investigate the effects of 12 weeks training program to menstrual cycle (mense and luteal phase) on VO2max, percent body fat, circulating concentration of ovarian hormone (estrogen, progesterone), cortisol and growth related hormone (growth hormone; GH, testosterone). Twenty-two female participated in this investigation and were divided control (n=11) and training groups (n=11). Venous blood samples were obtained during luteal (21day after mense), and early follicular phase (during mense) before and after training. Training consisted of treadmill running (15-25minutes) and resistance training which include leg curl, leg press, full down, curl up, sit up with 10 repetition maximum (3set) respectively. 12 weeks training programs significantly decreased body weight and body fat(%). but VO2max increased significantly after training. After 12 weeks training program GH concentration was significantly increased both mense and luteal phase but cortisol concentration was significantly decreased only in luteal phase. Estrogen and progesterone concentration were significantly elevated in luteal phase in contrast of mense in all group but exercise training did not induce any significant change. Serum cortisol concentration significantly decreased during luteal phase in contrast of mense after 12 weeks training but GH, testosterone concentration did not induce any significant change with menstrual cycle. In conclusion, 12 weeks training program enhanced growth related hormone and cortisol response and this training induced change differed between mense and luteal phase.
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