Lower back Pain (radiculopathies)

Question 1

What does a positive femoral stretch test indicate?

Answer 1

Disk herniation, affecting the L2, L3 or L4 nerve root

Question 2

How to perform femoral stretch test?

Answer 2

Patient lying pronated, flex knee and lift the leg, pain in anterior thing is positive

Question 3

Features of L3 compression

Answer 3

Sensory loss of anterior thigh
Weak hip flexion, knee extension and hip addiction
Reduced knee reflex

Question 4

Features of L4 compression

Answer 4

Sensory loss to anterior knee and medial malleus
Weak knee extension and hip adduction
Reduced knee reflex

Question 5

Features of L5 compression

Answer 5

Sensory loss of dorsal of foot (top)
Weak foot and big toe dorsiflexion
Reflexes intact
Positive sciatic nerve stretch test

Question 6

Features of S1 compression

Answer 6

Sensory loss of postolateral leg and lateral foot
Weakness in plantar flexion
Absent/reduced ankle reflex
Positive sciatic nerve stretch test