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운동검사시간이 최대산소섭취량과 정체현상에 미치는 영향

The Effect of Duration Protocols on VO2max and Presence of Plateau

  • 김도연 (경성대학교 체육교육학과) ;
  • 윤병곤 (동의대학교 특수체육학과)
  • Kim, Do-Yeon (Department of Physical Education, Kyung-Sung University) ;
  • Yoon, Byung-Kon (Department of Special Physical Education, Dong-Eui University)
  • 발행 : 2009.12.30

초록

이 연구의 목적은 자전거 에르고미터 점증 부하 운동 검사를 통하여 4가지 다른 운동 검사시간 프로토콜(protocol)이 최대 산소 섭취량($VO_2$max)과 산소 섭취량 정체($VO_2$plateau)에 어떠한 영향을 미치는지를 비교 분석하는 것이다. 연구를 위하여 설정된 운동 시간 프로토콜은 5, 8, 12 그리고 16분이다. 평균 이상의 자전거 운동 능력을 지닌 20명의 자발적 피 실험자들이 연구에 참여하였다. 8분 프로토콜의 평균 최대 산소 섭취량($3.66{\pm}0.88\;l/min$)은 통계적으로(p<0.05) 12분($3.49{\pm}0.76\;l/min$)과 16분 프로토콜의($3.45{\pm}0.73\;l/min$) 최대 산소 섭취량보다 높게 제시되었다. 5분 프로토콜의 평균 최대 산소 섭취량은 두 번째로 높은 수치를 나타냈으나, 통계적으로 12분과 16분 프로토콜의 최대 산소 섭취량과는 다르지 않았다(p>0.05). 평균 최대 운동 강도(average maximal power output)는 운동 검사시간들이 영향을 미치는 것으로 나타났다. 5분 프로토콜의 평균 최대 운동 강도가 8분 프로토콜 보다 12%, 12분 프로토콜 보다 24%, 그리고 16분 프로토콜 보다 35% 높게 나타났다. 산소 섭취량 정체($VO_2$plateau)는 5분 프로토콜에서 12.5%, 8분 프로토콜에서 56.25%, 12분 프로토콜에서 37.5%, 그리고 16분 프로토콜에서 56.25%의 빈도를 보였다. 이 연구는 평균 이상의 운동 능력을 지닌 피 실험자에게는 6분에서 10분 사이의 검사시간이 적합하다고 제안하고 있다.

The purpose of this study was to compare $VO_2$max, maximal power output, and presence of $VO_2$ plateau across 4 protocol durations (5, 8, 12, and 16 min) during incremental cycling exercise to $VO_2$max. Twenty moderately to highly trained subjects ($24.9{\pm}6.6$) participated in the study. The mean $VO_2$max in the 5-min ($3.55{\pm}0.80\;l/min$) and 8-min ($3.66{\pm}0.88\;l/min$) duration protocols had higher and significantly higher mean value in the 8-min duration protocol compared to the 12-min ($3.49{\pm}0.76\;l/min$) and 16-min ($3.45{\pm}0.73\;l/min$) duration protocols. The AMPO across four protocols showed a significant difference. The AMPO for the 5-min protocol was 12%, 24%, and 35% higher than AMPO for the 8-min, 12-min and 16-min protocols. The presence of plateau was 12.5% for the 5 min protocol, 56.25% for the 8 min protocol, 37.5% for the 12 min protocol, and 56.25% for the 16 min protocol. This study indicates that the short duration protocol (<8 min) is a more valid measurement for $VO_2$ max than optimal duration protocol (8-12 min) in moderate to highly trained individuals on the cycle ergometer.

키워드

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