운동 후 극저온 냉각치료 적용이 운동유발성 근육 손상의 최대등척성근력과 관절가동범위에 미치는 효과 (The effect of whole-body cryotherapy intervention after an exercise on MVIC and ROM of EIMD)

서지정보

· 발행기관 : 대한물리치료과학회
· 수록지 정보 : 대한물리치료과학회지 / 27권 / 3호 / 45 ~ 55페이지
· 저자명 : 신성필, 손경현, 전재근

초록

Background: The purpose of this study was to investigate the effects of WBC (whole-body cryotherapy)on the MVIC (maximal voluntary isometric contraction)and active ROM (range of motion) recovery of after EIMD (exercise-induced muscle injury).
Design: Randomized Controlled Trial.
Methods: Thirty subjects who are student in their 20s at a university participated in this study, these subjects were assigned into three groups, a control group (n=10), experiment groupⅠ(n=10), and experiment groupⅡ(n=10). The subjects in the experimental groupⅠ were intervened by WBC (-130℃, 3 minutes) before induced EIMD, the experimental groupⅡ were intervened by WBC (-130℃, 3 minutes) after induced EIMD, and the control group weren’t by any intervened after induced EIMD.
Results: First, In the comparison of the MVIC, there were significant variations with the lapse the time in three groups (p<.001) and there was a significant interaction of time and group (p<.001). In the among group comparison, the MVIC of experimental group Ⅱ was significantly larger than those of other groups (p<.001). Second, In the comparison of the active extension angle, there were significant variations with the lapse the time in three groups (p<.001) and there was a significant interaction of time and group (p<.001). In the among group comparison, the active extension angle of experimental group Ⅱ was significantly smaller than those of other groups (p<.001). Third, In the comparison of the active flexion angle, there were significant variations with the lapse the time in three groups (p<.01) and there was a significant interaction of time and group (p<.001). In the among group comparison, the active flexion angle of experimental group Ⅱ was significantly larger than those of other groups (p<.05).
Conclusion: The above results revealed that the WBC intervention after an exercise had a positive effect of muscle function after EIMD. Therefore we can consider the WBC as a considerable intervention method to prevent or reduce an exercise injury.

영어초록

Background: The purpose of this study was to investigate the effects of WBC (whole-body cryotherapy)on the MVIC (maximal voluntary isometric contraction)and active ROM (range of motion) recovery of after EIMD (exercise-induced muscle injury).
Design: Randomized Controlled Trial.
Methods: Thirty subjects who are student in their 20s at a university participated in this study, these subjects were assigned into three groups, a control group (n=10), experiment groupⅠ(n=10), and experiment groupⅡ(n=10). The subjects in the experimental groupⅠ were intervened by WBC (-130℃, 3 minutes) before induced EIMD, the experimental groupⅡ were intervened by WBC (-130℃, 3 minutes) after induced EIMD, and the control group weren’t by any intervened after induced EIMD.
Results: First, In the comparison of the MVIC, there were significant variations with the lapse the time in three groups (p<.001) and there was a significant interaction of time and group (p<.001). In the among group comparison, the MVIC of experimental group Ⅱ was significantly larger than those of other groups (p<.001). Second, In the comparison of the active extension angle, there were significant variations with the lapse the time in three groups (p<.001) and there was a significant interaction of time and group (p<.001). In the among group comparison, the active extension angle of experimental group Ⅱ was significantly smaller than those of other groups (p<.001). Third, In the comparison of the active flexion angle, there were significant variations with the lapse the time in three groups (p<.01) and there was a significant interaction of time and group (p<.001). In the among group comparison, the active flexion angle of experimental group Ⅱ was significantly larger than those of other groups (p<.05).
Conclusion: The above results revealed that the WBC intervention after an exercise had a positive effect of muscle function after EIMD. Therefore we can consider the WBC as a considerable intervention method to prevent or reduce an exercise injury.

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