Which of the Following Is an Inappropriate Component of an Exercise

Which of the following is an inappropriate component of an exercise program 1 to 3 weeks postoperatively for a patient without preoperative rotator cuff deficiency who underwent total shoulder replacement?

A) Wand exercises for active-assistive external rotation to neutral with the arm positioned near the side of the chest
B) Wand exercises for active-assistive shoulder extension (combined with internal rotation) by placing the wand behind the back and sliding it up the back
C) Pendulum exercises
D) Wand exercises for active-assistive elevation of the arm in the plane of the scapula to approximately 90 ^$\circ$ while in a supine or sitting position