Tensiomyography(TMG)를 이용한 근기능 및 손상평가의 유효성
Effectiveness and Usefulness of Tesiomyography (TMG) on analysis and diagnosis of muscle quality
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이 연구는 TMG의 주요 변인인 Dm, Tc, Vc를 활용하여 운동에 의해 잘 발달된 성장기 근육과 성인의 근육 그리고 노화된 노인의 근육에 대한 기능을 정량적으로 구분하여, 골격근의 기능과 노화의 구분 혹은 손상을 평가할 수 있는 검사법의 기초자료를 제공하고자 목적하였다. 연구의 목적을 위해 청소년 배드민턴 선수 19명(청소년)과 건강한 청년 15명(성인) 그리고 노인 19명(노인)을 대상으로 골격근의 기능 및 특징을 TMG의 주요변인인 Dm, Tc, Vc를 이용하여 분석하였다. 연구결과, 좌우 근육에서 우세성에 의한 영향을 배제한 양 쪽 다리의 합을 비교할 때 골격근의 수축 기능에 대한 구분이 명확하였다. 반면, 좌측이나 우측의 편측 넙다리에서 골격근에 따른 Dm, Tc, Vc는 불규칙한 결과를 나타내었다. 한편, 양 쪽 합의 Dm, Tc, Vc는 성인을 기준하여 노인을 비교할 때 노인은 얇은 변위, 늦은 수축시간, 느린 수축속도의 경향을 나타내었다. 마지막으로 성인과 노인에 대한 양쪽, 오른쪽, 왼쪽의 넙다리두갈래근(Biceps Femoris: BF)에서 Dm, Tc, Vc가 일관되게 노인의 얇은 변위, 늦은 수축시간, 느린 수축속도을 나타내었다. 이상의 결과를 종합할 때, TMC의 주요 변인(Dm, Tc, Vc)은 좌우 근육의 우세성을 배제한 양 쪽 다리의 합이 근기능의 검사법으로 유효하였다. 그러나 왼쪽이나 오른쪽인 편측에서 Dm, Tc, Vc의 결과를 해석하는 것은 주의가 필요하였다. 한편, 양쪽, 오른쪽, 왼쪽의 넙다리두갈래근의 Dm, Tc, Vc는 골격근 수축력, 보행, 기능적 근기능의 검사에 유효하였다.
Abstract
This study uses Dm, Tc, and Vc, which are the main variables of TMG, to quantitatively classify the functions of well-developed muscles, adult muscles, and aged elderly skeletal muscles. Therefore, for the purpose of the study, the functions and characteristics of skeletal muscle were analyzed using Dm, Tc, and Vc, which are the main variables of TMG, in 19 youth badminton players (Teenagers), 15 healthy young people (Adults), and 19 elderly people (Senior) analyzed. As a result of the study, when comparing the sum of both legs excluding the influence of dominance in the left and right muscles, the distinction between the contractile function of the skeletal muscle was clear. On the other hand, Dm, Tc, and Vc according to skeletal muscle in the left or right unilateral thigh showed irregular results. The main variable, Dm, Tc, and Vc, of both sums showed the tendency of thin displacement, slow contraction time, and slow contraction rate in the elderly when comparing the adult. Finally, Dm, Tc, and Vc in the bilateral, right and left biceps femoris (BF) for adults and the elderly consistently showed thin displacement, slow contraction time, and slow contraction rate in the elderly. In conclusions, the main variables of TMC (Dm, Tc, Vc) with the sum of both legs excluding the dominance of the left and right muscles, was effective as a muscle function test. However, caution was required in interpreting the results of Dm, Tc, and Vc on the left or right side of thigh muscles. Finally, Dm, Tc, and Vc of the biceps femoris on both sides, right and left are considered to be effective for examination of muscle contractility, gait, and functional symmetry.
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