폼롤러를 이용한 수동적 스트레칭이 척추기립근 탄성도에 미치는 영향: 초음파 전단파 연구
The Effects of Passive Stretching Using a form Roller on the Elasticity of Spinal Muscle: An Ultrasonic Shear Wave Elastography Study
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초록
본 연구는 엎드려 누운 자세에서 폼롤러를 이용하여 척추 근육을 수동적으로 신장시키는 동안 요부척추만곡 및 근육의 탄력성의 차이를 관찰하였다. 13명의 과거 무도 유경험자를 대상으로 초음파 측정을 통해 척추기립근과 다열근의 전단 탄성계수를 관찰한 결과, 폼롤러를 사용하여 엎드린 자세에서 흉추 1번의 후만각도는 유의하게 증가(P<.001)하였고 요추 5번의 전만각도(P<.001)는 유의하게 줄어드는동시에, 척추기립근의 전단 탄성계수는 유의한 증가를 보였다(P<.001). 결론적으로, 이와 같은 연구결과는 무도 수행 전, 경직된 폼롤러를 활용한 척추 주변 근육의 수동신장 운동은 척추 주변근육의 탄력성에 영향을 줄 수 있으며 이는 부상 예방 및 무도 수행능력에도 영향을 미칠 수 있음을 시사한다.
Abstract
The purpose of this study is to confirm the elastic modulus of the muscles around the lumbar region by a non-invasive method when the spinal muscles are passively stretched in the prone position on a form roller. Thirteen male subjects who experienced martial arts in the past, participated in the study. Using ultrasound shear-wave elastography, the curvature of spine and the shear elastic modulus of the erector spinae and multifidus muscles were investigated. As a result, significant increase in the kyphosis of thoracic level(P<.001) and decrease in the lordosis of lumbar level(P<.001) were found in prone position on the form roller. Furthermore, the shear-wave elastography of erector spinae muscle(P<.001) was increased significantly in prone position on the form roller compared to in the one on the flat table. In conclusion, the results of study suggest that this increase in elasticity by passive stretching using a form roller becomes a effective method that could prepare the spinal muscles for preventing injury as well as enhancing the performance during training martial arts.
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