you would move your leg in circles
ball and socket
The shoulder is a ball and socket joint. The hip is also.
Hip and shoulder are both Ball and Socket Joints
Your shoulder and hip are both ball and socket joints.
Ball-and-socket joints can be found in the shoulders and hips.
ball & socket joint , gliding joint , hinge joint
the ball and socket joints can be found in the shoulders and in the eyes.
If the joint between your arm and shoulder was not a ball and socket joint, you could not be able to move your arm. Ball and socket joints allow you to move in most directions. Because of this, you can move your arm up, down, side to side, front and back, and around in a circle. The ball and socket joint is one of the four major kinds of movable joints. (The four major joints are ball and socket joints, gliding joints, hinge joints, and pivotal joints in case you didn't know.)
Ball-and-socket joints allow a wider range of motion than hinge joints.
The hip joints
They are "ball and socket" joints.
The shoulder and hip joints.