You Are Treating a Young Child with a Diagnosis of Spastic

You are treating a young child with a diagnosis of spastic diplegia (cerebral palsy) .You are concerned about the patient's risk of developing a knee flexion contracture due to spasticity and decreased functional mobility.Which of the following treatment options would be most appropriate for this patient?

A) Position patient at end of knee extension range of motion for at least 30 min/day
B) Perform 10 stretches into knee extension for 5 sec each
C) Place the patient in a serial cast to promote knee extension for 6 weeks
D) Apply superficial heat to hamstring muscles