Types of movements at ball and socket joints
1. Flexion: A decrease in joint angle (to the front of the body)
2. Extension: An increase in joint angle (to the back of the body)
3. Abduction: Movement away from the midline of your body (out to the side)
4. Adduction: Movement towards the midline of your body (in the middle)
5. Rotation: Movement around a limbs long axis (screwdriver action)
6. Circumduction: A combination of movements allowing a continuous circular movement of a limb (arm circles)