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Musculoskeletal
MUSCLES: ACTIONS AND MOVEMENTS
| Term | Definition |
|---|---|
| abductor | A muscle that moves a part away from the midline or midsagittal plane of the body (raising your arm away from the body) |
| adductor | A muscle that moves a part towards the midline or midsagittal plane of the body (lowering your arm back against the body) |
| levator | a muscle that rasies a body part |
| depressor | a muscle that lowers a body part |
| flexor | a muscle that bends a limb at a joint |
| extensor | a muscle that straightens (stretches out) a limb or joint |
| supinator | a muscle that produces the motion of supination (e.g. turning the palm and forearm upward) |
| pronator | a muscle that produced motion of pronation (e.g. turning the palm and forearm downward) |
| evertor | a muscle that turns a body part outward |
| invertor | a muscle that turns a body part inward |
| rotator | a muscle that rotates or revolves a body part on its axis |
| elevation | the act of raising or lifting up a body part |
| buccinator | muscle of the cheek used to compress the cheek as occurs in whistling and blowing; the trumpeter muscle |
| masseter | the principle chewing muscle |
| risorius | muscle that draws the angle or corner of the mouth outward and upward; the laughing muscle |
Created by:
Wolkowski
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