The ball and socket joints allows flexible movement of the arm in all directions.
A ball and socket joint is a joint that can move all around, the joint is not limited to move in a certain way. For example a ball and socket joints on your body include; your shoulders, your ankels, & your wrists.
ball and socket joint
ball and socket joint
A ball and socket joint allows the arms to move in a circular motion. A ball and socket joint is also called an spheroidal joint.
The ball and socket joint can move in a complete circle.
The hip joint is a ball and socket joint.
ball-and-socket joint
Ball and socket
The joint in your shoulder is a Ball & Socket Joint.
The pivot joint only "folds & straightens" whereas a ball and socket can move in any direction AND twist.
A pivot joint allows rotation around a single axis, like the rotation of the forearm. A ball and socket joint allows for movement in multiple directions, such as the shoulder joint which can move in all directions.
Ball and socket joint.