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Gait analysis in hallux valgus
M Blomgren1, I Turan, M Agadir
1Department of Orthopedic Surgery, Huddinge University Hospital, Sweden.
The Journal of Foot Surgery
|January 1, 1991
Summary
Hallux valgus patients exhibit increased foot pressure on the small toe and reduced overall foot contact area. These findings suggest a link between altered pressure distribution and metatarsalgia in hallux valgus deformities.
Area of Science:
- Biomechanics
- Podiatry
- Orthopedics
Background:
- Hallux valgus, a common foot deformity, affects foot pressure distribution.
- Understanding these changes is crucial for managing associated pain like metatarsalgia.
Purpose of the Study:
- To analyze solar pressure zones in patients with hallux valgus compared to healthy individuals.
- To investigate the relationship between altered pressure patterns and metatarsalgia.
Main Methods:
- Utilized the EMED Gait Analysis System to assess plantar pressure.
- Compared pressure data from 66 hallux valgus patients and 60 control subjects.
Main Results:
- Hallux valgus group showed significantly increased pressure in the small toe region and near the metatarsophalangeal joint.
- Normal subjects displayed increased pressure in the first four metatarsal and heel regions.
- Hallux valgus patients generally had smaller foot contact areas.
Conclusions:
- Altered pressure distribution, particularly increased pressure on the small toe and reduced contact areas, may cause metatarsalgia in hallux valgus.
- This study provides biomechanical insights into the etiology of metatarsalgia in hallux valgus.