Journal of Physical Therapy Science
Online ISSN : 2187-5626
Print ISSN : 0915-5287
Original Article
Relationship between transverse arch height and foot muscles evaluated by ultrasound imaging device
Yasuaki NakayamaYuto TashiroYusuke SuzukiYu KajiwaraHala ZeidanMirei KawagoeYuki YokotaTakuya SonodaKanako ShimouraMasataka TatsumiKengo NakaiYuichi NishidaTsubasa BitoSoyoka YoshimiTomoki Aoyama
著者情報
キーワード: Transverse arch, Alignment, Muscle
ジャーナル フリー

2018 年 30 巻 4 号 p. 630-635

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[Purpose] Few studies on the transverse arch (TA) in the forefoot have been conducted. The forefoot is where pains occur most frequently and is related to walking and balance; hence, paying attention to TA is vital. However, the relationship between TA and foot muscles has not been investigated. Therefore, this study aims to investigate muscles related to TA. [Subjects and Methods] Nineteen healthy young males were included. Measurements of their feet, excluding one foot with recent foot pain (n=37), were obtained. The height of TA (TAH) was measured in two ways: during 10% and 90% loading of body weight. The cross-sectional area and thickness of five muscles were measured: flexor digitorum longus, peroneus longus and brevis, flexor hallucis brevis, flexor digitorum brevis (FDB) and abductor hallucis (ABH). All measurements were performed with an ultrasound device. [Results] FDB and ABH were correlated with TAH during 10% and 90% loading after removing the effect of body mass index and age. The greater FDB and ABH, the higher TAH. [Conclusion] As FDB becomes larger, the second, third and fourth metatarsal heads are raised more. Furthermore, the height of the first metatarsal head is lowered by a larger ABH. These mechanisms may increase TAH.

著者関連情報
© 2018 by the Society of Physical Therapy Science. Published by IPEC Inc.
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