Optimal placement of metatarsal pads for patients with hallux valgus based on plantar pressure measurement

IF 2.4 3区医学 Q2 ORTHOPEDICS

Foot and Ankle Surgery Pub Date : 2026-02-01 Epub Date: 2025-07-22 DOI:10.1016/j.fas.2025.07.005

Satoshi Hakukawa , Takeshi Hashimoto , Hiroki Okawara , Tomonori Sawada , Kohei Nishizawa , Masahiro Okuno , Takashi Koube , Takeo Nagura

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Abstract

Background

Increased plantar pressure is common in patients with hallux valgus (HV), and metatarsal pads are often used conservatively, though optimal placement remains unclear.

Methods

A crossover trial with 22 female HV patients was conducted. Plantar pressure was measured during a six-meter walk under four conditions: no pad and pad placements at 68 %, 72 %, and 76 % of foot length. Foot alignment was assessed via radiography. The main outcome was the percentage of total plantar pressure in the central metatarsal region.

Results

Pad placement at 76 % of foot length significantly reduced central metatarsal pressure compared to the no-pad condition (p < 0.05). A positive correlation was found between the first and fifth metatarsal angle and central pressure (p < 0.05). A cutoff angle of 38.5° predicted effective pressure reduction.

Conclusions

Placing a metatarsal pad at 76 % of foot length effectively reduces plantar pressure in HV patients and may offer a beneficial conservative approach.

Level of Evidence

Level III

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基于足底压力测量的拇外翻患者跖垫的最佳放置。

背景：足底压力增高在拇外翻（HV）患者中很常见，跖垫通常保守使用，但最佳放置位置尚不清楚。方法：对22例女性hiv患者进行交叉试验。在四种情况下，在6米的行走中测量足底压力：不垫垫和垫垫放置在脚长68% %，72 %和76 %。通过x线摄影评估足部对齐。主要结果是跖骨中央区足底总压力的百分比。结果：与没有脚垫的情况相比，脚垫放置在足长76. %处可显著降低中央跖骨压力（p ）结论：脚垫放置在足长76. %处可有效降低HV患者的足底压力，并可能提供有益的保守入路。证据等级：三级。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Foot and Ankle Surgery ORTHOPEDICS-

CiteScore

4.60

自引率

16.00%

发文量

202

期刊介绍： Foot and Ankle Surgery is essential reading for everyone interested in the foot and ankle and its disorders. The approach is broad and includes all aspects of the subject from basic science to clinical management. Problems of both children and adults are included, as is trauma and chronic disease. Foot and Ankle Surgery is the official journal of European Foot and Ankle Society. The aims of this journal are to promote the art and science of ankle and foot surgery, to publish peer-reviewed research articles, to provide regular reviews by acknowledged experts on common problems, and to provide a forum for discussion with letters to the Editors. Reviews of books are also published. Papers are invited for possible publication in Foot and Ankle Surgery on the understanding that the material has not been published elsewhere or accepted for publication in another journal and does not infringe prior copyright.