Four nonaxial movements of the scapulae and the planes of each motion are
a. elevation and depression in the horizontal plane plus protraction and retraction in the frontal plane.
b. elevation and depression in the sagittal plane plus protraction and retraction in the horizontal plane.
c. elevation and depression in the frontal plane plus protraction and retraction in the sagittal plane.
d. elevation and depression in the frontal plane plus protraction and retraction in the horizontal plane.
d
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