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Muscle movement

Action nameMuscle action
Abduction Lateral movement away from the midline of the body
Adduction Medial movement toward the midline of the body
Circumduction Circular movement (combining flexion, extension, adduction, and abduction) with no shaft rotation
Extension Straightening the joint resulting in an increase of angle
Eversion Moving sole of foot away from medial plane
Flexion Bending the joint resulting in a decrease of angle
Hyperextension Extending the joint beyond anatomical position
Inversion Moving sole of foot toward medial plane
Pronation Internal rotation resulting in appendage facing downward
Protrusion Moving anteriorly (eg: chin out)
Supination External rotation resulting in appendage facing upward
Retrusion Moving posteriorly (eg: chin in
Rotation Rotary movement around the longitudinal axis of the bone
Source of this info http://www.exrx.net/WeightTraining/Glossary.html
Created by: DKstudy