A Difference of More Than 1/2 In

A difference of more than 1/2 in.(1 cm) in leg length discrepancy

A) can be measured,with the person recumbent,from anterior superior iliac spine to lateral malleolus.
B) should be compensated for by a shoe elevation.
C) for the patient with weakness in one limb,a 1/2-in.(1-cm) lift on the contralateral shoe will aid balance of the paralyzed leg during stance phase.
D) all of the above.