Sato Toshihiko, Fukui Tsutomu, Kawata Shinichi, Nagahori Kenta, Miyaso Hidenobu, Li Zhonglian, Omotehara Takuya, Itoh Masahiro
Department of Anatomy, School of Medicine, Tokyo Medical University: 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan.
Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University, Japan.
J Phys Ther Sci. 2023 Mar;35(3):199-203. doi: 10.1589/jpts.35.199. Epub 2023 Mar 1.
[Purpose] To clarify the three-dimensional nature of foot mobility and its interrelationships within the foot due to bodyweight bearing. [Participants and Methods] Data regarding left foot mobility due to body weight bearing were collected from 31 healthy adults. Foot shape differences while sitting and standing, and their interrelationship were examined. The same examiner reapplied the landmark stickers when misaligned during measurement position changes. [Results] The foot length, heel width, forefoot width, hallux valgus angle, and calcaneus eversion angle were significantly larger in the standing than in sitting position. The digitus minimus varus angle was significantly smaller in the standing than in sitting position. The medial and lateral malleoli, navicular, and dorsum of the foot were displaced medially and inferiorly; the other indices, except for the midfoot, were displaced anteriorly. The interrelationships within the foot showed a positive correlation between the calcaneus eversion angle and the medial displacement of the medial and lateral malleoli, navicular, and dorsum of the foot points. There was a negative correlation between the calcaneus eversion angle and inferior displacement of the medial malleolus, navicular, and dorsum of the foot. [Conclusion] The intra-foot coordination relationship in response to bodyweight bearing was clarified.
[目的] 阐明由于体重负荷导致的足部活动的三维特性及其在足部内部的相互关系。[参与者与方法] 收集了31名健康成年人因体重负荷导致的左脚活动数据。研究了坐姿和站姿时的足部形状差异及其相互关系。在测量位置改变过程中出现标志贴纸未对齐时，由同一名检查者重新粘贴。[结果] 站立位时的足长、足跟宽度、前足宽度、拇外翻角度和跟骨外翻角度均显著大于坐姿时。站立位时小趾内翻角度显著小于坐姿时。内、外踝、舟骨和足背向内下方移位；除中足外，其他指标向前移位。足部内部的相互关系显示，跟骨外翻角度与内、外踝、舟骨和足背点的内侧移位之间呈正相关。跟骨外翻角度与内踝、舟骨和足背的向下移位之间呈负相关。[结论] 明确了体重负荷下足部内部的协调关系。
