[논문]AFO Changes Leg Muscle Activation During Stairs Descending

Choi, Jae Cheong; Han, Seul Ki

doi:10.20540/jiaptr.2016.7.2.1037

AFO Changes Leg Muscle Activation During Stairs Descending 원문보기

Journal of international academy of physical therapy research, v.7 no.2, 2016년, pp.1037 - 1040

Choi, Jae Cheong (Daejeon Health Institute of Technology) , Han, Seul Ki (U1 University)

Abstract ▼ AI-Helper

This study aims to investigate the effects of ankle foot orthosis(AFO) on the activities of tibialis anterior(TA), soleus(Sol), rectus femoris(RF) and biceps femoris(BF) during stairs descending. The activities of TA, Sol, RF and BF were initially measured while descending 4 stairs without using AFO. The activities of the same muscles were then measured again while descending 4 stairs while using AFO. Wilcoxon signed-rank tests were used to analyze the results in order to examine the differences between the with using AFO and without using AFO. Although the activities of TA, Sol and RF were relatively lower while using AFO than without using AFO, only the differences in Sol and RF activities were significant(p0.05). Conclusion of this study was observed since AFO's ground reaction force absorption during stairs descending reduced the need to use So and RF that is related to shock absorption. BF activity was increased with AFO than without during standing forward to correct the trunk stability.

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문제 정의

This study aims to investigate the changes on the activities of TA, Sol, RF and BF with and without the use of AFO while descending the stairs. Conclusion of this study was observed since AFO’s ground reaction force absorption while descending the stairs reduced the need to use So and RF which is related to shock absorption.
This study aims to investigate the changes on the activities of the TA, Sol, RF and BF while descending the stairs with and without the use of an AFO.

제안 방법

However, there is a lack of research on the effects of an AFO on muscle activity when descending stairs. This study aims to investigate the changes on the activities of the tibialis anterior(TA), soleus(Sol), rectus femoris(RF), and biceps femoris(BF) while descending the stairs with and without the use of an AFO.

대상 데이터

Four stairs were used in this study. The stairs were made of wood coated with an anti-slip coating.
All subjects signed a consent form before the testing session. The subjects of this study consisted of six males who were approximately 23 to 24 years old. Their mean height was 175.
The subjects of this study were healthy adults. The effects of an AFO on normal subjects were investigated to determine the effects of an AFO without the confounding effects of neuromuscular impairments (11).

성능/효과

Conclusion of this study was observed since AFO’s ground reaction force absorption while descending the stairs reduced the need to use So and RF which is related to shock absorption.
The AFO provides ankle joint stability in the support phase and absorbs the ground reaction force to increase knee joint stability (15). In this study, the activities of TA, So, and RF were relatively lower while using an AFO than without using an AFO. Differences in So and RF activities were significant, and the AFO plays an important role in supplementing weak dorsiflexion.

참고문헌 (18)

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AFO Changes Leg Muscle Activation During Stairs Descending 원문보기

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AFO Changes Leg Muscle Activation During Stairs Descending 원문보기

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