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NTIS 바로가기한국전문물리치료학회지 = Physical Therapy Korea, v.20 no.3, 2013년, pp.27 - 35
The aim of this study was to compare the electromyographic (EMG) activity levels of the scapular upward rotators [upper trapezius (UT), lower trapezius (LT), and serratus anterior (SA)] and other scapular muscles [posterior deltoid (PD), levator scapulae (LS), and infraspinatus (IS)] during isometri...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
어깨관절을 기능적으로 잘 사용하기 위해서는 무엇이 중요한가? | 어깨관절을 기능적으로 잘 사용하기 위해서는 어깨 뼈의 정렬 상태와 움직임을 정상적인 상태로 유지하는 것이 중요하다(Choi 등, 2012; Wilk와 Arrigo, 1993). 팔을 들어올리는 동안 어깨관절과 어깨뼈에서는 2:1의 비율로 움직임이 발생한다. | |
본 연구에서 최대 등척성 수의적 수축 측정을 위한 도수근력검사는 어떤 조건에서 측정하였는가? | 운동방법에 따른 위등세모근, 아래등세모근, 앞톱니근, 뒤쪽어깨세모근, 어깨올림근, 가시아래근의 근활성 도를 정규화(normalization)하기 위해, 최대 등척성 수의적 수축(maximal voluntary isometric contraction; MVIC)시 근 활성도를 측정하여 평균평방근(root mean square)으로 처리된 각 근육의 근 활성도를 백분율 (%MVIC)로 분석하였다. MVIC 측정을 위한 도수근력검사(manual muscle test)는 등받이가 없는(no back support) 의자에 앉은 자세에서 측정하였다(Kendall 등, 2005). MVIC 측정은 5초간 3회 측정하여 평균평방근으로 처리한 후, 처음과 마지막 1초를 제외한 평균 근전도 데이터를 100 %MVIC로 사용하였다. | |
어깨뼈의 위쪽돌림에 중요한 역할을 하는 근육들로는 무엇이 있나? | 어깨뼈의 위쪽돌림에 중요한 역할을 하는 근육들로는 위등세모근(upper trapezius; UT)과 아래등세모근 (lower trapezius; LT), 앞톱니근(serratus anterior; SA) 을 들 수 있다. 어깨뼈 의 기능장애(scapular dysfunction)에 대한 많은 연구에서 그 원인을 어깨뼈 위쪽돌림근들 간의 불균형으로 보고하고 있다(Cools 등, 2007a; Huang 등, 2013; Ludewig 등, 2004; Tucker 등, 2010). |
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