Text: An inpatient had a transtibial amputation several weeks ago. As part of the instructions on proper positioning, the COTA advises the patient to avoid placing pillows under the knee of the residual limb. Why is this important for the patient to learn?
A. Avoids pressure on the popliteal artery.
B. Minimizes dependent edema.
C. Prevents shortening of the hamstrings.
D. Reduces risk of decubitus formation.