What are the main joint used in the action?

The main joints used in physical actions typically include the hinge joints, such as the knees and elbows, which allow for bending and straightening movements. Ball-and-socket joints, like the shoulders and hips, provide a wide range of motion in various directions. Additionally, pivot joints, such as the neck, enable rotational movement. Each of these joints plays a crucial role in facilitating everyday activities and complex movements.