젊은 여성에서 신발 뒤굽 높이가 신체 동요 시 다리 근육의 근 활성도와 개시시간에 미치는 영향


Influence of Shoe's Heel Height on Muscle Activity and Onset Time During Body Perturbation in Healthy Females

강철진, 홍형경, 최연지, 홍예은

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This study aimed to identify the influence of high-heeled shoes on activation patterns (muscle activity and onset time) of leg muscles during body perturbation in healthy young females. Thirty-one healthy females in their 20s were recruited for this study. Subjects underwent two experimental conditions: (1) barefoot, and (2) wearing high-heeled shoes with a 7-cm heel height. And then forward and backward body perturbation impacts were randomly applied in each condition while subjects stand on perturbation board. Electromyographic measurements were performed on gastrocnemius (GCM), hamstring (HAM), and erector spinae (ES) for the forward perturbation, and tibialis anterior (TA), quadriceps (QAUAD), and rectus abdominis (RA) for the backward perturbation. During the forward perturbation, there were found for significant differences in the onset time among GCM, HAM, and ES for both conditions (p<0.05), suggesting differences between GCM and HAM and between GCM and ES for the barefoot condition, and between GCM and HAM for the high-heeled shoes condition. Muscle activities showed significant differences in both conditions (p<0.05), indicating differences between GCM and HAM and between GCM and ES for both conditions. Furthermore, during the backward perturbation, the onset time of muscle activity was significantly different among TA, QUAD, and RA in the barefoot condition (p<0.05), suggesting a difference between TA and QUAD. Muscle activities appeared to be significantly different between the muscles for both conditions (p<0.05), indicating differences between TA and QUAD and between QUAD and TA for the both condition.These findings indicate that wearing high-heeled shoes leads to changes for recruitment pattern of leg muscles, indicating alterations of ankle strategy to maintain balance during body perturbation.


 Ⅰ. 서론
 Ⅱ. 연구방법
  1. 연구대상자
  2. 근전도 측정 및 자료처리
  3. 연구절차
  4. 자료분석
 Ⅲ. 결과
  1. 전방동요 시 근 활성도와 근 수축개시시간의 차이
  2. 후방동요 시 근 활성도와 근 수축개시시간의 차이
 Ⅳ. 고찰
 Ⅴ. 결론


  • 강철진 Cheol-jin Kang. 하늘병원 물리치료실
  • 홍형경 Hyeong-kyeong Hong. 올바른의원 물리치료실
  • 최연지 Yeon-ji Choi. 차앤조정형외과 물리치료실
  • 홍예은 Ye-eun Hong. 바른병원 물리치료실


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