12주간의 순환운동이 근감소증 노인 여성의 일상생활체력, 등속성 근기능 및 근육의 생화학적 특성에 미치는 영향 = Effects of a 12-week Circuit Training on Daily Living Fitness, Isokinetic Function, and Biochemical Property of Muscle in Sarcopenia Elderly Women

국문 초록 (Abstract)

본 연구의 목적은 12주간의 순환운동이 근감소증 노인 여성의 일상생활체력, 등속성 근기능, 그리고 근육의 생화학적 특성에 미치는 영향을 규명하는 것이다. 본 연구의 대상자는 근감소증을 갖고 있는 노인 여성 24명으로서 운동집단과 통제집단에 12씩 무선할당 하였다. 운동집단의 대상자는 12주간 주 3회, 회당 25~55분씩 순환운동 프로그램에 참여하였고, 통제집단의 대상자는 동일한 처치 기간 동안 평소 생활습관을 그대로 유지하도록 하였다. 처치 전과 후에 일상생활체력, 등속성 근기능, 그리고 근육의 생화화적 특성을 측정하였고, 이를 두 집단 간, 그리고 두 검사 간에 비교하여 다음과 같은 결과를 얻었다. 1) 일상생활체력과 관련하여, 운동집단에서 왼손악력, 상완굴신력, 앉아윗몸앞으로굽히기, 눈뜨고외발서기, up and go, 그리고 최대산소섭취량이 유의하게 향상되었다. 2) 등속성 근기능과 관련하여, 운동집단에서 신전과 굴곡의 체중당 최대힘효율 및 평균파워가 유의하게 증가되었다. 3) 근육의 생화학적 특성과 관련하여, 운동집단에서 IL-6가 유의하게 감소되었다. 이상의 결과를 종합해 보면, 12주간 실시한 순환운동 프로그램이 근감소증 노인 여성의 일상생활체력, 등속성 근기능의 상대적 수치, 그리고 근육의 생화학적 특성의 개선에 긍정적인 영향을 미치는 것으로 결론지을 수 있다.

다국어 초록 (Multilingual Abstract)

The study was designed to investigate the effects of a 12-week circuit training on daily living fitness, isokinetic function, and biochemical properties of muscle in sarcopenia elderly women. Twenty four sarcopenia elderly women were randomly assigned to one of following two groups, i.e., circuit training group (TR: n=12) and control group (n=12). The subjects in the TR group completed 25-55 min of circuit training program for three times a week during 12 weeks, whereas the subjects in the CON group were asked to maintain their normal lifestyle during the same period of the intervention. Main results of the present study were as follows: 1) Regarding daily living fitness, left grip strength, upper arm flexion, sit-and-reach, one leg standing with eyes-open, up and go, and maximal oxygen consumption improved significantly in the TR group. 2) Regarding isokinetic function, peak torque per body weight and average power at extension and flexion increased significantly at the TR group. 3) Regarding biochemical properties of muscle, IL-6 decreased significantly in the TR group. Based on the results, it was concluded that the 12-week circuit training would contribute on improving daily living fitness, relative value of isokinetic function, and biochemical properties of muscle in sarcopenia elderly women.

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