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muscle movement
ch 14 muscular system
Term | Definition |
---|---|
abduction | movement of limb away from the midline of the body |
adduction | movement of the limb towards the midline of the body |
flexion | decreasing the angle between two bones by bending a limb at a joint |
extension | increasing the able between tow bones or straightening out of a limb. |
hyperextension | the extreme or overextension of a limb or body part beyond its normal limit. |
rotation | a circular movement around an axis such as the shoulder joint. |
circumduction | the circular movement at the far end of the limb. |
supination | the act of rotating the arm or leg so that the palm of the hand or sole of the foot is turned forward or upward |
pronation | the act of rotating the arm or leg so that the palm of the hand or sole of the foot is turned backward or downward. |
dorsiflexion | the movement that bends the foot upward at the ankle |
plantar flexion | the movement that bends the foot downward at the ankle |