| A | B |
|---|
| Superior | Towards the head |
| Inferior | Away from the head |
| Anterior | Front |
| Posterior | Back |
| Medial | Towards the midline |
| Lateral | Away from the midline |
| Proximal | Towards or nearest the trunk or point of origin |
| Distal | Away from or farthest from the trunk or point of origin |
| Internal | Within the body |
| External | Outside the body |
| Flexion | Decreasing angles between two bones |
| Extension | Increasing angles between two bones |
| Afferent | Carrying toward a center |
| Efferent | Carrying away from a center |
| Adduction | Moving towards the midline |
| Abduction | Moving away from the midline |
| Eversion | Turning a body part outward |
| Inversion | Turning a body part inward |
| Pronation | Turning a body part downward |
| Supination | Turning a body part upward |
| Deep | Away from the body surface; more internal |
| Superficial | Toward the body surface |
| Plantar | Towards the sole of the foot |
| Palmar | Towards the palm of the hand |
