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Body Movements

Movements of the Body

Movement name:Meaning:
extension straightens or opens a joint
flexion bends a joint (or brings bones closer together)
adduction brings limb closer to the body (or midline)
abduction moves limb laterally (away from midline)
medial (or internal) rotation limb turns in, toward the midline (occurs at shoulder & hip joints)
lateral (or external) rotation limb swings away from midline (occurs at shoulder & hip joints)
rotation pertains only to the axial skeleton (the head & vertebral column)
circumduction involves combination of flexion, extension, adduction, & abduction; together these create a cone-shaped motion (possible only at shoulder & hip joints)
lateral flexion when the head or vertebral column bend laterally to the side (occurs only at the axial skeleton)
supination when the radius & ulna lie parallel to one another (palms face up) or when feet curve inward.
pronation when the radius crosses over the ulna (palm down) or when feet curve outward
opposition occurs only at the carpometacarpal joint of the thumb, when the thumbpad crosses over the palm toward the last (pinkie) finger
inversion elevates foot's medial side, twisting the foot inward
eversion elevates foot's lateral side, twisting the foot outward
plantar flexion the ankle movment needed to point the foot or step on the car gas pedal.
dorsiflexion moves the ankle in closer, like letting off the gas pedal.
protraction when clavicle, scapula, head, or jaw move anteriorly.
retraction when clavicle, scapula, head, or jaw move posteriorly.
elevation when the scapula or jaw move superiorly
depression when the scapula or jaw move inferiorly
deviation shifting of the mandible (jaw) to either side, like when chewing or talking.
Created by: Sonhos