3,000 m 상당고도의 저압․저산소 환경에서 4주간의 간헐적인 스프린트 훈련이 무산소성 에너지대사와 운동수행능력에 미치는 영향

• Published in: Exercise science (Seoul, Korea) pp. 461 - 474
• Main Authors: 함주호, 남상석, 박훈영, 선우섭
• Format: Journal Article
• Language: Korean
• Published: 한국운동생리학회 30.11.2011
• Subjects: 체육
• ISSN: 1226-1726; 2384-0544
• DOI: 10.15857/ksep.2011.20.4.461

본 연구는 3,000 m 상당고도와 평지에서 간헐적인 스프린트 훈련이 무산소성 에너지대사와 운동수행능력에 미치는 영향을 cross-over study로 비교한 것이다. 연구의 대상자들은 체육전공 남자 대학생 14명으로, 트레드밀 달리기를 경사도 10%, 스피드 15∼17 km/hr의 운동 강도로 4주간, 주 3회, 30초×10세트, 세트 간 휴식은 2분으로 하였으며, 3,000 m 상당고도(526 mmHg)와 평지(760 mmHg)에서, 각각 1차 트레이닝을 실시한 후 8주간의 휴식기를 거친 후 2차 트레이닝을 실시하였다. 그 결과 체중과 근육량은 3,000 m 상당고도 트레이닝 후에 유의하게 감소하였다. CPK는 두 조건 모두 트레이닝 후에 유의한 변화가 없었으나, LDH는 3,000 m 상당고도 트레이닝 후에 고강도 운동직후와 회복 5분에 유의하게 감소하였다. 혈중산소운반능력은 두 조건 모두 트레이닝 후에 유의한 변화가 없었다. EPOC는 평지 및 3,000 m 상당고도 트레이닝 후에 유의하게 증가하였다. 무산소성 파워는 3,000 m 상당고도 트레이닝 후에 유의하게 증가 하였다. 하지근 등속성 근력은 평지 트레이닝 후에 유의하게 증가 하였으나, 3,000 m 상당고도 트레이닝 후에는 유의하게 감소하였다. 100 m time trial은 3,000 m 상당고도 트레이닝 후에 유의하게 감소하였으나, 400 m time trial은 두 조건 모두 유의한 변화가 없었다. The study was designed to investigate the effects of intermittent sprint training in hypobaric hypoxic condition, equivalent to an altitude of 3,000 m and sea level on anaerobic energy metabolism and performance. Fourteen college male students majoring sports volunteered to participate in this research. Running grade, speed, time, repetition time, and interval between running were 10 percent, 15-17 km/hr, 30 seconds, 10 times, 2 minutes respectively. Training period was 4 weeks. They took 8 weeks rest after first training (4 weeks) in 3,000 m simulated altitude and sea level. Also second training practiced 4 weeks in that order (a cross-over study). The results of this study were as follows. Weight and muscle mass were significantly decreased after 3,000 m simulated altitude training. CPK was not significantly changed after 3,000 m simulated altitude and sea level training. LDH was significantly decreased immediately after exercise and recovery 5 minutes after 3,000 m simulated altitude training. Oxygen transporting capacity of the blood was not significantly changed after 3,000m simulated altitude and sea level training. EPOC was significantly increased after 3,000 m simulated altitude and sea level training. Anaerobic power was significantly increased after 3,000 m simulated altitude training. Leg isokinetic muscular strength was significantly increased after sea level training. But it was significantly decreased after 3,000 m simulated altitude training. 100 m time trial was significantly decreased after 3,000 m simulated altitude training. But 400 m time trial was not significantly changed in two groups. We have demonstrated that weight, muscle mass and 100 m time trial was significantly changed by 4 weeks of intermittent sprint training in hypobaric hypoxic condition, equivalent to an altitude of 3,000 m, whereas the other physiological parameters was not significantly changed in two groups. KCI Citation Count: 2