Muscular System
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Created by:
epayton1 on December 7, 2010
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Classes:
2010 Allied Health I, 2010-2011 Health Science
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31 terms
Terms | Definitions |
|---|---|
 Abduction | moving a body part away from the midline. |
| Adduction | moving a body part toward the midline. |
| Cardiac muscle | form the walls of the heart and contract to circulate blood. |
| Contract . | to shorten, decrease in size, or draw together |
| Contracture | tightening or shortening of the muscle |
| Elasticity | allows muscles to return to its original shape after it has contracted |
| muscular system | bundles of muscle fibers held together by connective tissue |
| Extension | increasing the angle between two bones or straightening a body part. |
| Fascia | fibrous membrane covering, supporting and separating muscle. |
| Flexion part. | decreasing the angle between two bones or bending a body |
| Insertion | end or area of a muscle that moves when muscle contracts. |
| Involuntary | independent action |
| Muscle tone | state of partial muscle contraction providing as state of readiness to act. |
| Origin | end or area of muscle that remains stationary when muscle |
| Rotation | a circular motion that turns a body part on its axis |
| Skeletal muscle | attached to bones and cause body movement. |
| Tendon | fibrous connective tissue that connects muscles to bones. |
| Visercal (smooth) muscle - | are found in internal organs of the body such as the digestive system, respiratory system, blood vessels and eyes. |
| Voluntary | Skeletal |
| Contractibility | when muscle fibers are stimulated by nerves, they contract or become short and thick. |
| Circumduction | moving in a circle at a joint. Moving one end of a body part in a circle while the other end remains stationary; swinging the arm in a circle. |
| Hyperextension | excessive straightening of a body part. |
| Pronation | turning a body part downward (turning palm down) |
| Supination | turning a body part upward (turning palm up) |
| Opposition | touching each of the fingers with the tip of the thumb. |
| Inversion | turning a body part inward. |
| Eversion | turning a body part outward. |
| Dorsiflexion | bending backward (bending the foot toward the knee) |
| Plantar flexion | bending forward (straightening the foot away from the knee) |
| Radial deviation | moving toward the thumb side of the hand. |
| Ulnar deviation | moving toward the little finger side of the hand. |
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