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KMID : 0357220120240040276
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Journal of Korean Society Physical Therapy
2012 Volume.24 No. 4 p.276 ~ p.281
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Analysis of Kinematic Motions of First Metatarsophalangeal Joint during Electrical Stimulation of Abductor Hallucis Muscle in Subjects with Hallux Valgus
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Kim Moon-Hwan
Koh Eun-Kyung
Jung Do-Young
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Abstract
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Purpose: The purpose of this study is to compare the kinematic motion of the first metatarsophalangeal (MTP) joint during an electrical stimulation of abductor hallucis (AbdH) muscle, between the normal group and the hallux valgus (HV) group.
Methods: A total of twenty subjects (normal group=10 and HV group=10) participated in this study. The kinematic motions of first MTP joint was measured by using 3-dimensional motion analysis during an electrical stimulation in the sitting position. The intensity of an electrical stimulation was set to be tolerated in each subject, and the data of kinematic motions were collected in three trials of 5 seconds. An independent t-test was used to compare the angle of flexion and abduction of the first MTP joint and proximal phalanx in frontal plane, between the normal and HV groups.
Results: Participants showed that the angle of flexion was significantly greater in the HV group (), compared to that of the normal group (); and the angle of abduction was significantly smaller in the HV group () than that of the normal group. Also, the angle of the proximal phalanx in frontal plane was significantly smaller, compared to the normal group () (p<0.05).
Conclusion: These findings suggest that dysfunction of AbdH muscle is apparent in HV deformity and provide insight into potential risk factors for the development of HV deformity.
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KEYWORD
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Abductor hallucis, Adductor halluces, Hallux valgus
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