300
During a D2 extension pattern of the upper extremity, what is the proper timing sequence?
A. Shoulder extension, forearm pronation, finger flexion.
B. Shoulder flexion, scapular retraction, finger extension.
C. Shoulder abduction, forearm supination, finger extension.
D. Should extension, forearm supination, finger flexion.
E. None of the above.
A. Shoulder extension, forearm pronation, finger flexion.