https://www.visiblebody.com/learn/skeleton/overview-of-skeleton



Anterior view of the hip and pelvis, showing attachment of ligaments to the femur, ilium, ischium, and pubis.

The skeletal structure of a human being (left) and of a gorilla (right). Several differences allow the human to walk erect on two legs with a striding gait rather than move in a knuckle-walking fashion like the gorilla.