The most reliable indicator (s) of neurological deficit when...

The most reliable indicator (s) of neurological deficit when assessing a patient with acute low back pain is (are)

a. Patient report. of bladder dysfunction, saddle anesthesia, and motor weakness of limbs.

b. History of significant trauma relative to the patient "s age.

c. Decreased reflexes, strength, and sensation in the lower extremities.

d. Patient report of pain with the crossed straight leg raise.