An OT Practitioner Is Working with a Client Experiencing Proximal

An OT practitioner is working with a client experiencing proximal upper extremity weakness as a result of polymyositis.The client wants to be able to feed himself while sitting up in his wheelchair.The therapist has set up a MAS ,but the client is having difficulty flexing his elbow enough to reach his hand to his mouth.Which adjustment can the therapist make to facilitate this motion?

A) Lower the semireclining mount on the wheelchair upright.
B) Move the rocker arm more distally on the forearm support.
C) Roll the semireclining mount outwardly.
D) Move the rocker arm more proximally on the forearm support.