| A | B |
|---|
| Flexion | bending a limb at a joint |
| Extension | straightening a limb at a joint |
| Abduction | moving a limb away from the body's midline |
| Adduction | moving a limb toward the midline of the body |
| Pronation | turning the forearm so that the palm is down |
| Supination | turning the forearm so that the palm is up |
| Circumduction | moving the arm in a circle at the shoulder |
| Inversion | moving the sole fo the foot inward at the ankle |
| Eversion | moving the sole of the foot outward at the ankle |
| Rotation | moving the head around a central axis |
| Protraction | moving a body part forward and parallel to the ground |
| Retraction | moving a body part backward and parallel to the ground |
| Elevation | raising a body part |
| Depression | lowering a body part |
