Flexion
Decrease in joint angle
(Bending forward, flexing elbow)
Extension
Increase in joint angle
Rotation
Movement around its longitudinal axis.
Limbs - medial or lateral (midline)
Lateral flexion
Movement of trunk away from the midline - side bending
Abduction
Movement away from midline (raise arm away)
Adduction
Movement towards midline. (Lower arm toward body)
Circumduction
Circular
(Flexion, abduction, extension, hyperextension, adduction in succession)
Lateral rotation
Movement of bent arm (elbow) away from body
Medial rotation
Movement of bent arm (elbow) toward midline