"The hip joint is a multiaxial ball and socket synovial joint between the acetabulum and the head of femur. The acetabular labrum deepens the acetabular cavity even further, and the fibrous joint capsule is reinforced by 3 ligaments..."
Iliofemoral (the inverted 'Y' shape) ligaments (ant/post) limit:
hyperextension and lateral rotation
Pubofemoral ligament limits:
Extension and abduction
Extension and medial rotation