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교각운동에서 다리의 위치에 따른 목폄근의 활성도에 미치는 영향

Effects of the Trunk and Neck Extensor Muscle Activity According to Leg Positionon in Bridging Exercise

  • 조현래 (마산대학교 물리치료학과) ;
  • 정다은 (마산대학교 물리치료학과) ;
  • 채정병 (마산대학교 물리치료학과)
  • 투고 : 2014.02.04
  • 심사 : 2014.02.24
  • 발행 : 2014.02.28

초록

PURPOSE: This study aims to determine the optimal knee joint angle and hip joint angle for minimizing the cervical muscle tension and maximizing the muscle activity of the trunk during the bridging exercise for trunk stabilization. METHODS: The bridging exercise in this study included seven forms of exercise: having a knee joint flexion angle of $120^{\circ}$, $90^{\circ}$, $60^{\circ}$, $45^{\circ}$ and hip joint abduction angle of $15^{\circ}$, $10^{\circ}$, $5^{\circ}$. The posture of the bridging exercise was as follows. To prevent the increase of hyper lumbar lordosis during the bridging exercise, the exercise was practiced after maintaining the lumbar neutral position through the pelvic posterior tilting exercise. RESULTS: The abduction angles did not result in statistically significant effects on the cervical erector, external oblique, rectus abdominis and erector spinae muscles. However, in relation to the knee joint angles, during the bridging exercise, statistically significant results were exhibited. CONCLUSION: The knee joint angle affected the muscle activity of the neck muscle. The greater the knee joint angle, the lower the load placed on the neck muscle. In contrast, the load increased as the knee joint angle decreased. In addition, the muscle activity of the neck muscle and trunk muscle increased as the knee joint angle decreased.

키워드

참고문헌

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