A nurse is caring for a client who is immobile. Which of the following interventions is appropriate to prevent contracture?

A. A towel roll under the neck is not effective for preventing contractures, which most commonly affect the arms and legs. B. A trochanter wedge helps to maintain proper alignment of the hips but does not address contractures in the limbs. C. A pillow under the knees can lead to contractures in the legs. It is more effective to keep the legs straight with proper positioning. D. An orthotic to the foot can help prevent foot drop and other contractures in the lower extremities by maintaining the proper position.