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Propulsive function during gait in diplegic children: evaluation after surgery for gait improvement
E B Zwick1, V Saraph, W E Linhart
1Department of Paediatric Orthopaedics, Karl Franzens University, Graz, Austria.
Journal of Pediatric Orthopedics. Part B
|August 11, 2001
Summary
Surgery improved gait in patients with diplegic cerebral palsy (CP). Postoperative analysis showed faster walking speeds and enhanced lower limb power generation, particularly at the hip and ankle during key gait phases.
Area of Science:
- Orthopedics
- Biomechanical Engineering
- Pediatric Neurology
Background:
- Diplegic cerebral palsy (CP) significantly impacts gait function.
- Surgical interventions aim to correct musculoskeletal deformities and improve ambulatory capabilities.
Purpose of the Study:
- To evaluate the efficacy of surgical interventions for improving gait in patients with diplegic cerebral palsy.
- To assess changes in clinical parameters, kinematics, and kinetics post-surgery.
Main Methods:
- Seventeen patients with diplegic CP underwent clinical examination and three-dimensional gait analysis.
- Assessments were performed pre- and post-surgery with an average follow-up of 3.8 years.
Main Results:
- Clinical examination showed improved ankle range of motion without loss of muscle power.
- Gait analysis revealed enhanced knee extension, more normalized ankle motion, and increased walking speed.
- Postoperative kinetic analysis indicated greater power generation at the hip and ankle during specific gait phases.
Conclusions:
- Surgical treatment can lead to significant improvements in gait kinematics and kinetics in diplegic CP.
- Enhanced power generation at the hip during stance and ankle during push-off contributes to improved propulsion and walking speed.