Which hip spica variant is used for hip and femur affections and can appear in several configurations?

• A. Pantalon Cast
• B. Frog Cast
• C. Single Hip Spica Cast
• D. Night Splint

Answer: (C)

Immobility of the hip and proximal femur is achieved with a hip spica cast, and there are variants depending on how many limbs are immobilized. The single hip spica cast is used for unilateral hip or femur issues—one leg and the trunk are immobilized while the other leg may be left free for care. It can be made in several configurations to suit the pathology and surgeon preference, such as a standard straight-spica or a frog-position variant with the hip abducted and flexed. This flexibility is why it’s described as appearing in several configurations. In contrast, the pantaloon cast immobilizes both hips and both legs, which is for bilateral disease or more extensive immobilization, and a night splint is not a hip spica at all.