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ANT 3100: Terms of Movement
Vocabulary
19
Anatomy
Undergraduate 1
09/04/2012

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Term
flexion
Definition
bending movement that decreases the angle of the joint and brings the articulating bones closer together
Term
extension
Definition
reverse of flexion; increases the angle of the joint
Term
hyperextension
Definition
increasing the angle of the joint beyond the normal range of motion
Term
dorsiflexion
Definition
bending movement that occurs at the ankle joint that would allow you to stand on your heels
Term
plantarflexion
Definition
bending movement that occurs at the ankle joint that would allow you to stand on your toes
Term
abduction
Definition
movement of a limb away from the midline of the body (movement occurs along the frontal plane)
Term
adduction
Definition
movement of a limb towards the midline of the body (movement occurs along the frontal plane)
Term
circumduction
Definition
movement of a limb in a circular motion
Term
medial (internal) rotation
Definition
rotating the anterior surface of a limb toward the midline of the body
Term
lateral (external) rotation
Definition
rotating the anterior surface of a limb away from the midline of the body
Term
supination
Definition
rotating the forearm so the palms face anterior
Term
pronation
Definition
rotating the forearm so the palms face posterior
Term
inversion
Definition
bending movement that occurs at the ankle joint when the sole of the foot is turned medially
Term
eversion
Definition
bending movement that occurs at the ankle joint when the sole of the foot is turned laterally
Term
protraction
Definition
anterior movement along the transverse plane (underbite)
Term
retraction
Definition
posterior movement along the transverse plane (overbite)
Term
elevation
Definition
moves a body part superiorly (shrug shoulders)
Term
depression
Definition
moves a body part inferiorly (bring elevated shoulders down)
Term
opposition
Definition
movement that occurs when you touch your thumb to the tips of the other fingers on the same hand
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