다양한 발목각도에 따른 발가락벌리기 운동이 엄지벌림근 단면적에 미치는 영향
Changes in the Cross-Sectional Area of the Abductor Hallucis During the Toe-Spread-Out Exercise at Different Ankle Positions
강성태, 강선영, 김기송, 전인철, 정성대,
소속 상세정보
강성태 ( Kang Seong-Tae )
Hoseo University College of Life and Health Science Department of Physical Therapy
강선영 ( Kang Sun-Young )
Hoseo University College of Life and Health Science Department of Physical Therapy
김기송 ( Kim Ki-Song )
Hoseo University College of Life and Health Science Department of Physical Therapy
전인철 ( Jeon In-Cheol )
Hoseo University College of Life and Health Science Department of Physical Therapy
정성대 ( Choung Sung-Dae )
Baekseok University Division of Health Science Department of Physical Therapy
Abstract
Purpose: This study examined the changes in the cross-sectional area (CSA) of the abductor hallucis muscle during various ankle positions while performing toe-spread-out (TSO) exercise.
Methods: Thirty subjects with an average age of 22.1 years were recruited for this study. All subjects were firstly measured for the angle of their first metatarsophalangeal joint using a goniometer. Those with angles greater than 15° were allocated to the HV group. The remaining subjects were placed in the normal group. The CSA of the abductor hallucis was measured by ultrasound in the resting position with no movement and three ankle positions: neutral (0°), plantarflexion (30°), and dorsiflexion (30°). All data were analyzed using a two-way mixed analysis of variance between the groups (normal and HV group) and within the groups (resting, neutral, plantarflexion, and dorsiflexion) to determine the group x position interaction effects.
Results: During TSO exercise in the normal group, the CSA of the abductor hallucis was significantly greater in both the plantarflexion and neutral positions compared to the resting position (padj < .01), and plantarflexion was significantly greater than the dorsiflexion position (padj < .01). During the TSO exercise in the HV group, the CSA of the abductor hallucis for plantarflexion was significantly greater than it was for the resting, neutral, and dorsiflexion positions (padj < .01).
Conclusion: Based on the above results, the TSO exercise in plantarflexion is an effective rehabilitation exercise for subjects with HV.
키워드
Abductor hallucis; Hallux valgus; Cross-sectional area; Toe-spread-out; Ultrasound
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