ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Hip joint, computer artwork. This is a ball-and- socket joint. The socket is a cup-shaped cavity in the pelvic bone (right), which the ball (upper centre), at the head of the femur (thigh bone, left) fits in to. This type of joint provides the mobility needed for walking and running.
Model release not required. Property release not required.