| 释义 |
hip joint  nounThe ball-and-socket joint connecting a leg to the trunk of the body, in which the head of the thigh bone fits into the socket of the hip bone.The acetabulum contains the socket portion of the hip joint and must be reshaped to restore its original center....- The muscles of the hip joint execute hip-joint flexion at the beginning of the vertical-bench bent-leg raise.
- The hip joint is a ball-and-socket joint because the spherical head of the femur moves inside the cup-shaped acetabulum.
|