A. the strap provides passive ROM to the index finger Rationale: The buddy strap provides passive ROM to the injured finger. The buddy strap can also help to improve a deformity that has been caused by immobilization due to injury, weakness, or casting. Elevation of the finger, retrograde massage, and contrast baths are techniques that help to reduce edema. Sometimes the strap on the finger can actually restrict circulation and increase edema. The strap mobilizes the finger and limits active ROM. More test answers on https://studyhippo.com/nbcot-exam-prep-therapy-ed-book/