Each of the Following Is Correct About Proximal Interphalangeal Arthroplasty,associated

Each of the following is correct about proximal interphalangeal arthroplasty,associated soft tissue reconstruction,and postoperative management except:

A) Because correction of a boutonnière deformity during PIP arthroplasty involves a central slip-splitting approach,it is important to postpone resisted PIP extension exercises for at least 6 to 8 weeks.
B) When initiating ROM of the PIP joint after PIP arthroplasty,stabilize the MCP and DIP joints in neutral.
C) For functional grasp after PIP arthroplasty,more flexion of the PIP joints of the index and middle fingers is necessary than flexion of the ring and little fingers.
D) After PIP arthroplasty that included correction of a swan-neck deformity,emphasize PIP flexion and DIP extension more so than PIP extension and DIP flexion.