Which bone forms the hip socket?

Which bone forms the hip socket?

• A. Acetabulum
• B. Sacrum
• C. Patella
• D. Tibia

Answer: (A)

The hip socket is formed by the acetabulum, a cup-shaped cavity in the pelvic bone where the head of the femur sits to create the hip joint. The acetabulum is made by three parts of the pelvis—the ilium, ischium, and pubis—which come together to form this socket. This ball-and-socket setup allows the hip its wide range of motion. The other bones listed don’t form the hip socket: the sacrum is part of the spine’s base, the patella is the kneecap, and the tibia is the shin bone.

The hip socket is formed by the acetabulum, a cup-shaped cavity in the pelvic bone where the head of the femur sits to create the hip joint. The acetabulum is made by three parts of the pelvis—the ilium, ischium, and pubis—which come together to form this socket. This ball-and-socket setup allows the hip its wide range of motion. The other bones listed don’t form the hip socket: the sacrum is part of the spine’s base, the patella is the kneecap, and the tibia is the shin bone.