본 연구의 제한점은 연구 기간이 2주로 짧아 근육이 충분히 신장되지 않아 통계학적으로 의미 있는 결과가 나타나지 않았다.
The limitation of this study was that the study period was as short as 2 weeks, so the muscle was not sufficiently elongated, and no statistically meaningful results were found.