Ball-and-socket joint of the hip
The hip joint is a synovial ball-and-socket joint between the head of femur and acetabulum of the hip bone. It is designed for stability over mobility.
Iliofemoral ligament - Y-shaped, strongest ligament in body
Pubofemoral ligament - Prevents excessive abduction
Ischiofemoral ligament - Weakest of the three
Ligament of head of femur - Contains artery to head of femur