a cast of layers overlapping in a V pattern, covering two body parts greatly different in size, as the hip and waist, thumb and wrist, etc.
an orthopedic cast applied to immobilize part or all of the trunk of the body and part or all of one or more extremities. It is used to treat various fractures, such as of the hip and the femur, and to correct or maintain the correction of hip deformities. Kinds of spica casts are bilateral long-leg spica cast, one-and-a-half spica cast, shoulder spica cast, and unilateral long-leg spica cast. See also cast.
SPICA castOrthopedic surgery A body cast that fits over both legs, encasing the lower body from the nipple line down
spi·ca cast(spī'kă kast)
1. Successive strips of material applied to the body and the first part of a limb, or to the hand and a finger, which overlap slightly in a V to resemble an ear of grain.
2. Special type of cast used to immobilize the hip. Usually extends from the midthorax to below the knee. The hip is immobilized in abduction.