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Muscle actions
Actions of the muscle
Term | Definition |
---|---|
abduction | movement away from body midline |
adduction | movement toward body midline |
flexion | bending |
extension | straightening out |
dorsiflexion of foot | action that moves foot off accelerator |
plantar flexion of foot | action that pushes foot down on accelerator |
eversion of foot | turning foot outward with toes still forward |
inversion of foot | turning foot inward with toes still forward |
supination of hand | turning palms up (radius and ulna parallel) |
pronation of hand | turning palms down (radius and ulna crossed) |
elevation | to raise a body part up (mandible up) |
depression | to lower a body part (mandible down) |
opposition | the thumb able to touch other fingers |