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The online version of this article (doi:10.1186/1757-1146-7-13) contains supplementary material, which is available to authorized users.
The study was funded by the Ministry of Science Baden-Württemberg, Germany. None of the authors has a conflict of interest.
BK, SW: conception and design, acquisition of data, analysis and interpretation of data, drafting the manuscript, revising the manuscript critically for important intellectual content, final approval of the manuscript version to be published. FZ: acquisition of data, drafting the manuscript, revising the manuscript critically for important intellectual content, final approval of the manuscript version to be published. MT: conception and design, acquisition of data, analysis and interpretation of data, revising the manuscript critically for important intellectual content, final approval of the manuscript version to be published. All authors read and approved the final manuscript.
Walking down stairs is a clinically relevant daily activity for older persons. The aim of this pilot study was to investigate the impact of cheilectomy on walking on level ground and on stairs.
3D motion analysis of foot kinematics was performed in eight patients with hallux rigidus and 11 healthy control participants with a 12-camera system, using the Heidelberg foot measurement method before and one year after surgery. The clinical results were documented using the AOFAS Scale.
The range of motion of the first metatarsophalangeal joint did not improve after the operation under any gait condition. Preoperatively, hallux dorsi-/plantarflexion in level walking was 11.9° lower in patients than in controls (p = 0.006), postoperatively 14.5° lower (p = 0.004). Comparing walking conditions in patients, hallux dorsi-/plantarflexion was significantly higher in level walking than in climbing stairs (difference up stairs – level: -8.1°, p = 0.018).
The AOFAS Scale improved significantly from 56.9 ± 19.9 points (mean ± SD), preoperatively, to 75.9 ± 13.9 points, postoperatively (p = 0.027).
Cheilectomy is appropriate for reducing symptoms of hallux rigidus. However, neither a positive influence on the range of motion in walking on level ground and on stairs nor a functional improvement was observed in this group of patients.
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- Foot kinematics in walking on a level surface and on stairs in patients with hallux rigidus before and after cheilectomy
Sebastian Immanuel Wolf
- BioMed Central