스쿼트에서 운동 숙련도에 따른 관절가동범위의 운동학적 비교 분석
Comparison Kinematical Analysis of Joint Range of Motion Depending on Exercise Proficiency in the Squat
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초록
스쿼트는 하체 근체력 강화를 위한 가장 대중적인 운동 동작 중 하나이다. 본 연구의 목적은 스쿼트시 운동 숙련자와 비숙련자의 관절가동범위를 비교 분석하는 것이다. 이를 위해 3D 동작 분석 시스템을 이용하여 스쿼트 시 체간과 하지의 관절가동범위를 관찰하였으며, 다음과 같은 결과를 도출하였다. 첫째, 고관절 수평면 가동범위와 체간 시상면 가동범위는 비숙련자에게 더 큰 것으로 나타났다. 둘째, 고관절 시상면, 관상면 및 체간 관상면, 수평면 가동범위는 숙련자와 비숙련자 간의 차이가 발견되지않았다. 셋째, 족관절과 슬관절의 시상면, 관상면, 수평면의 가동범위에서는 숙련자와 비숙련자 간의차이가 나타나지 않았다. 위 결과들을 통해 비숙련자는 스쿼트 동작 시 숙련자보다 고관절 내회전과체간 굽힘 움직임이 더 크게 발생한 것을 확인하였다. 본 연구 결과는 스쿼트 훈련 전략을 수립하는과정에 있어 운동 초보자의 올바른 동작 지도 방향에 관한 기초자료로 활용될 수 있음을 기대한다.
Abstract
The squat was the most leading one of the exercises to strengthen lower limbs muscle and physical strength. The purpose of this study was a comparison analysis of the joint range of motion depending on proficiency in experts and novice during the squat. the squat was analyzed using a 3D motion capture system, the results were derived as follows. First, the hip joint range of motion in the horizontal plane and trunk range of motion in the sagittal plane was found to be greater for novices. Second, the hip joint range of motion in the sagittal, frontal plane, and trunk range of motion in the frontal, horizontal plane was not presented a significant difference in experts and novices. Third, the ankle and knee joint range of motion in all planes was not shown a significant difference between experts and novices. Through the above results, we identified that novices' hip internal rotation and trunk flexion movement was more generated larger than experts during the squat. The results of this study expect to utilize as baseline data for correct posture that injuries prevent and performance improve, when establishing process training strategies for novices.
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