Question

Extension of the shoulder joint is described as a. Movement of the humerus straight posteriorly from...

Extension of the shoulder joint is described as

a.

Movement of the humerus straight posteriorly from any point in the sagittal plane

b.

Downward lateral movement of the humerus in the frontal plane medially toward the body

c.

Upward lateral movement of the humerus in the frontal plane

d.

Movement of the humerus straight anteriorly from any point in the sagittal plane

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Answer #1

The correct option is A. EXTENSION of the shoulder joint is the movement of the humerus straight posteriorly from any point in the sagittal plane.

Downward lateral movement of the humerus in the frontal plane medially toward the body is called as ADDUCTION.

The upward lateral movement of the humerus in the frontal plane is called as ABDUCTION.

Movement of the humerus straight anteriorly from any point in the sagittal plane is called as FLEXION.

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