지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.2
- 수록면
- 33 - 43 (11page)
- DOI
- 10.5143/JESK.2021.40.1.33
이용수
초록· 키워드
오류제보하기
Objective: The aim of this study was to investigate the changes in ground reaction force and long term comfort by wearing hardness modified insole on the areas of fore-foot and rear-foot during walking.
Background: Proper adjustment of hardness of the insole based on the function of the foot during walking would be beneficial for reducing the magnitude of the impact and improving comfort perception. Furthermore, investigating the effect of hardness modified insole on the levels of comfort during long-term comfort test may be necessary for further application.
Method: Seventeen healthy male adults (age: 22.9±1.8 years, body weight: 73.1±8.0㎏, height: 174.9±3.7㎝) participated in the walking experiment and five healthy male adults from walking test (age: 29.4±5.2 years, body weight: 79.0±6.7㎏, height: 175.2±1.8㎝) participated in the long-term comfort test. Four insole conditions (hard hardness insole, [HI], medium hardness insole, [MI], low hardness insole, [LI], and basic insole, [BI]) in a 270㎜ walking shoe were applied to conduct the test. The data was collected during walking at a speed of 1.3㎧ and 1.7㎧ on an instrumented treadmill (Bertec, USA). Ground reaction force variables were the vertical impulse (VIM), vertical impact force (VIF), peak vertical ground reaction force (PVGRF), vertical loading rate (VLR), braking impulse (BIM), and propulsion impulse (PIM). Comfort variables were the width, cushioning, comfort, and foreignness.
Results: The VIM and PVGRF were greater for the hardness modified insole (HI, MI & LI) compared with the BI during walking of 1.7㎧ (p＜.05). The VIF and VLR were statistically smaller for the hardness modified insole (HI, MI & LI) compared with the BI during walking of 1.3㎧ and 1.7㎧ (p＜.05). The PIM was greater for the hardness modified insole (HI, MI & LI) compared with the BI during walking of 1.3㎧ and 1.7㎧ (p＜.05). The overall cushioning was statistically greater for the hardness modified insole (MI & LI) compared with the BI.
Conclusion: It was concluded that the hardness modified insole (HI, MI & LI) on the area of fore-foot and rear-foot may be more effective in the impact absorption and the propulsion compared with the BI during walking.
Application: It is necessary to apply modified hardness of the insole to various sports movements. Future study would be warrant to consider different hardness and height in the area of arch support for a better stability and the comfort of lower extremities.
Background: Proper adjustment of hardness of the insole based on the function of the foot during walking would be beneficial for reducing the magnitude of the impact and improving comfort perception. Furthermore, investigating the effect of hardness modified insole on the levels of comfort during long-term comfort test may be necessary for further application.
Method: Seventeen healthy male adults (age: 22.9±1.8 years, body weight: 73.1±8.0㎏, height: 174.9±3.7㎝) participated in the walking experiment and five healthy male adults from walking test (age: 29.4±5.2 years, body weight: 79.0±6.7㎏, height: 175.2±1.8㎝) participated in the long-term comfort test. Four insole conditions (hard hardness insole, [HI], medium hardness insole, [MI], low hardness insole, [LI], and basic insole, [BI]) in a 270㎜ walking shoe were applied to conduct the test. The data was collected during walking at a speed of 1.3㎧ and 1.7㎧ on an instrumented treadmill (Bertec, USA). Ground reaction force variables were the vertical impulse (VIM), vertical impact force (VIF), peak vertical ground reaction force (PVGRF), vertical loading rate (VLR), braking impulse (BIM), and propulsion impulse (PIM). Comfort variables were the width, cushioning, comfort, and foreignness.
Results: The VIM and PVGRF were greater for the hardness modified insole (HI, MI & LI) compared with the BI during walking of 1.7㎧ (p＜.05). The VIF and VLR were statistically smaller for the hardness modified insole (HI, MI & LI) compared with the BI during walking of 1.3㎧ and 1.7㎧ (p＜.05). The PIM was greater for the hardness modified insole (HI, MI & LI) compared with the BI during walking of 1.3㎧ and 1.7㎧ (p＜.05). The overall cushioning was statistically greater for the hardness modified insole (MI & LI) compared with the BI.
Conclusion: It was concluded that the hardness modified insole (HI, MI & LI) on the area of fore-foot and rear-foot may be more effective in the impact absorption and the propulsion compared with the BI during walking.
Application: It is necessary to apply modified hardness of the insole to various sports movements. Future study would be warrant to consider different hardness and height in the area of arch support for a better stability and the comfort of lower extremities.
목차
1. Introduction
2. Method
3. Results
4. Discussion
5. Conclusion
References
참고문헌 (28)
참고문헌 신청
Bennell, K. L. / 2011 / Lateral wedge insoles for medial knee osteoarthritis: 12 month randomised controlled trial / British Medical Journal 342:d2912
정재후 / 2015 / 드롭 착지 시 탄소나노튜브 소재의 인솔 착용이 하지의 합성 관절 모멘트 및 근활성도에 미치는 영향 / 체육과학연구 26(3):479~487
채원식 / 2012 / 탄소나노튜브 인솔 착용에 따른 드롭 착지 동작의 생체역학적 분석 / 한국운동역학회지 22(4):429~435
Collins, N. / 2009 / Foot orthoses and physiotherapy in the treatment of patellofemoral pain syndrome: randomised clinical trial / British Journal of Sports Medicine 43:163~168
Chan, Z. Y. S. / 2018 / Gait retraining for the reduction of injury occurrence in novice distance runners: 1-year follow-up of a randomized controlled trial / American Journal of Sports Medicine 46(2):388~395
정재후 / 2015 / 드롭 착지 시 탄소나노튜브 소재의 인솔 착용이 하지의 합성 관절 모멘트 및 근활성도에 미치는 영향 / 체육과학연구 26(3):479~487
채원식 / 2012 / 탄소나노튜브 인솔 착용에 따른 드롭 착지 동작의 생체역학적 분석 / 한국운동역학회지 22(4):429~435
Collins, N. / 2009 / Foot orthoses and physiotherapy in the treatment of patellofemoral pain syndrome: randomised clinical trial / British Journal of Sports Medicine 43:163~168
Chan, Z. Y. S. / 2018 / Gait retraining for the reduction of injury occurrence in novice distance runners: 1-year follow-up of a randomized controlled trial / American Journal of Sports Medicine 46(2):388~395
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