Which of the following is a bone procedure used in CP?

• A. Acetabular/femoral osteotomies
• B. Tendon release/lengthening
• C. Capsulotomy
• D. Muscle transfer

Answer: (A)

Bone procedures used in cerebral palsy involve cutting and realigning bone to correct joint geometry. In CP, hip instability or dislocation often stems from how the hip socket (acetabulum) and the femur are aligned. Acetabular and femoral osteotomies are aimed at reorienting these bony structures to improve coverage of the femoral head and restore a stable, congruent hip joint. This is why acetabular/femoral osteotomies are the best choice here.

Soft tissue approaches, like tendon release or lengthening, address muscle tightness and imbalance rather than changing the bony architecture. Capsulotomy cuts the joint capsule, which also alters soft tissue constraints rather than bone structure. Muscle transfer modifies muscular action rather than the bone itself. In CP, these soft tissue procedures may be used in combination with bone procedures, but they are not bone procedures themselves.