What is the primary role of hip adductor release or lengthening surgery in CP?

• A. Improves knee flexion range
• B. Reduces hip adductor contracture to improve hip alignment and sitting/gait when conservative measures fail
• C. Treats scoliosis
• D. Addresses ankle flexibility

Answer: (C)

The main idea is that hip adductor release or lengthening targets the tight hip adductor muscles that pull the leg toward the midline. By lengthening or releasing these muscles, the hip can be abducted more easily, which helps place the femoral head more securely in the acetabulum. This improves hip alignment and functioning during sitting and walking, especially when nonoperative treatments (like stretching, casting, or injections) have not produced sufficient improvement.

This procedure is not about treating scoliosis or directly addressing ankle flexibility. Scoliosis management lies elsewhere, and ankle issues are addressed through other interventions. Hip adductor release is specifically about reducing the contracture to restore better hip position and function in CP, with precautions to avoid overlengthening which could affect stability.