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Exam Prep
Action of Muscles
| Term | Definition |
|---|---|
| Abduction | movement away from midline |
| Adduction | movement toward midline |
| Circumduction | movement in circular motion |
| Depression | act of lowering a body part from a joint |
| Dorsiflexion | act of pointing the foot upward |
| Elevation | act of raising a body part from a joint |
| Eversion | act of turning outward |
| Extension | increase in the angle of a joint |
| Flexion | decrease in the angle of a joint |
| Hyperextension | increase in the angle of a joint beyond what is normal |
| Inversion | act of turning inward |
| Plantar flexion | act of pointing the foot downward or inward |
| Pronation | act of turning downward or inward |
| Protraction | movement of a body part anteriorly |
| Retraction | movement of a body part posteriorly |
| Rotation | act or process of turning on an axis |
| Supination | act of turning upward or outward |