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Kinesiology Def.
Definitions of Movement
| Word | Definition |
|---|---|
| Flexion | Decreases the length of the muscle. Eg. Bending or folding |
| Lateral Flexion | Decreasing the size of the angle between the lateral surfaces of the body. Eg. lat flexion of trunk brings the trunk closer to the hip |
| Extension | Increases the length of the muscle. Return from flexion |
| Abduction | moves a bone away from the midline |
| Adduction | moves a bone towards the midline |
| horizontal adduction | moves a bone toward the midline of the body at a horizontal level |
| Rotation | the pivoting of a bone on its own axis |
| Inversion | Turns the sole of the foot inward |
| Eversion | Turns the sole of the foot outward |
| Circumduction | Causes the bone to describe the surface of a cone as it moves eg. sundials |
| Supination | Movement of the forearm that turns the palm forward eg. anatomical position |
| Pronation | Turning the forearm so that palms are down, back of hand forward |
| Elevation | Raising a part eg. shrug shoulder |
| Depression | Lowering a part eg. droop shoulder |
| Protraction | Moving a part forward eg. chin forward |
| Retraction | Moving a part back eg. chin backwards |