Tests C7,C8 function 3. Tester drags handle of reflex handle across the abdomen laterally from the midline. Reflex produces contraction of the abdominal muscles. Above the umbilicus tests T8-T10 level function. Below the umbilicus tests T10-T12 level function.
Subject sits with legs dangling from the edge of a table.
Reflex produces leg extension. Tests L2-L4 level function. Subject sits with legs dangling from the edge of a table. Reflex produces plantar flexion of the foot. Tests S1,S2 level function.