Lumbar Spine

Question 1

Which nerve root exits between L3 and L4?

Answer 1

L3 Nerve Root

Question 2

What is the main motion of the lumbar spine?

Answer 2

F/E

Question 3

What is fergusons angle?

Answer 3

Lumbosacral angle.

Angle formed from the intersection of a horizontal line and the line of inclination of the sacrum.

Normally between 25 and 35 degrees.

Question 4

What is spondylosis?

Answer 4

Arthritis of the vertebrae with disc and joint degeneration and bone spur growths forming “lips” on the superior and inferior edges of the vertebral bodies

Question 5

What is spondylolysis?

Answer 5

Stress fracture of the pars interarticularis of the vertebral arch

Question 6

What is spondylolisthesis?

Answer 6

Lumbar vertebrae slips anteriorly

Question 7

What is the diagnosis of a pt with saddle anesthesia?

Answer 7

Cauda equina syndrome

Question 8

What are the signs of cauda equina syndrome?

Answer 8

Saddle anesthesia
Decreased DTRs
Decreased rectal sphincter tone
Loss of bowel and bladder control

Question 9

Psoas syndrome is associated with a SD in which vertebrae?

Answer 9

L1 or L2
Flexed
Rotated to the affected side