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Updated: Jun 22, 2026
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Evaluation of Patients' Posture and Gait Profile After Lumbar Fusion Surgery by Video Rasterstereography and Treadmill Gait Analysis
Published on: March 23, 2019
[Three-D gait patterns before and after total hip arthroplasty].
1Department of Orthopedic Surgery, Zhongshan Hospital Affiliated Dalian University, Dalian 116001, China. zhaodewei2000@163.com
Zhonghua Wai Ke Za Zhi [Chinese Journal of Surgery]
|July 1, 2009
Summary
Total hip arthroplasty (THA) significantly improves gait speed, stride length, and affected limb stance phase in patients with osteonecrosis of the femoral head. Post-surgery, hip and knee joint mobility shows significant positive changes, enhancing overall gait dynamics.
Area of Science:
- Orthopedics
- Biomechanics
- Gait Analysis
Context:
- Osteonecrosis of the femoral head often necessitates total hip arthroplasty (THA).
- Understanding gait parameter changes post-THA is crucial for patient recovery assessment.
- Pre-operative and post-operative gait analysis provides insights into functional recovery.
Purpose:
- To quantify changes in gait parameters following total hip arthroplasty (THA).
- To evaluate the impact of THA on lower limb kinematics and joint movement.
- To compare gait characteristics of THA patients with a healthy control group.
Summary:
- A study tracked 53 patients undergoing THA for osteonecrosis of the femoral head, measuring gait parameters at multiple time points post-surgery using a 3D infrared system.
- Significant improvements were observed in gait speed, stride length, and affected limb stance phase after THA compared to pre-operative states.
- Post-operative hip and knee joint mobility, including flexion and extension angles, demonstrated significant improvements compared to pre-operative measurements.
Impact:
- 3D gait analysis effectively evaluates dynamic hip function changes after THA.
- Findings can inform rehabilitation protocols and patient expectations following hip replacement surgery.
- This research contributes to the understanding of biomechanical recovery after THA for osteonecrosis.
