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An Anatomical Study of Nerves at Risk During Minimally Invasive Hallux Valgus Surgery
Published on: February 17, 2018
Multisegmental foot and ankle motion analysis after hallux valgus surgery
Karl Canseco1, Jason Long, Thomas Smedberg
1Marquette University, Orthopaedic and Rehabilitation Engineering Center, Academic Support Facility, Milwaukee, WI 53233, USA. kcanseco@mcw.edu
Foot & Ankle International
|March 3, 2012
Summary
Operative correction of hallux valgus improves foot alignment and hallux (big toe) motion. However, it does not fully restore normal gait mechanics in the more proximal foot and ankle segments.
Area of Science:
- Orthopedics
- Biomechanics
- Podiatry
Background:
- Hallux valgus commonly causes gait alterations, affecting kinematic and temporal-spatial parameters.
- While surgery improves foot structure, its impact on restoring normal gait is not fully understood.
- Previous studies have not detailed segmental foot and ankle kinematic changes after hallux valgus surgery.
Purpose of the Study:
- To analyze multisegmental foot and ankle kinematics in patients undergoing operative hallux valgus correction.
- To compare preoperative and postoperative gait parameters.
- To evaluate the restoration of normal gait following surgical intervention.
Main Methods:
- Utilized a 15-camera Vicon Motion Analysis System for 24 feet in 19 patients.
- Employed the Milwaukee Foot Model to assess segmental kinematics and temporal-spatial parameters (TSPs).
- Compared pre- and postoperative data using nonparametric statistical methods and normative data.
Main Results:
- Preoperatively, significant alterations in TSPs and kinematics were observed.
- Postoperative analysis revealed normalized hallux position and improved hallux valgus and intermetatarsal angles.
- Significant improvements in physical activity performance were noted, but proximal segment kinematics remained unchanged.
Conclusions:
- Surgical correction significantly enhances foot geometry and hallux kinematics in coronal and transverse planes.
- Restoration of proximal foot and ankle kinematics was not achieved.
- Further research is needed to understand the clinical relevance and treatment of persistent kinematic alterations.
