TestInappropriate response*
TendernessSuperficial, nonanatomic tenderness to light touch
Simulation
Axial loadingVertical loading on a standing patient's skull produces low back pain
RotationPassive rotation of shoulders and pelvis in same plane causes low back pain
DistractionDiscrepancy between findings on sitting and supine straight leg raising tests
Regional disturbances
Weakness“Cogwheel” (give-way) weakness
SensoryNondermatomal sensory loss
OverreactionDisproportionate facial expression, verbalization or tremor during examination