A OTR is trying to justify to the client's insurance company the purpose of the orthosis that is recommended for the client with ulnar deviation deformity from arthritis. Which of the following reasons BEST explains the purpose of the orthosis?
A. The orthosis will prevent the progression of deformity
B. The orthosis will immobilize the hand and facilitate healing
C. The orthosis will help correct the deformity of the joints
D. The orthosis will provide stability to the affected joints