A patient with a herniated lumbar disk who reports low back pain with straight leg raising will experience increased pain when you
a. bend the knee. c. dorsiflex the foot.
b. lower the leg. d. plantar flex the foot.
C
A patient with a herniated lumbar disk who reports low back pain with straight leg raising will experience increased pain when you dorsiflex the foot while the leg is in the raised position. Irritation of the nerve roots of the lumbosacral area causes pain in the sciatic nerve. Low back pain should not be experienced when the patient lowers the leg. Bending the knee should not cause pain.
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