Radiculopathies

Question 1

C5
Main Weakness:
Decreased Reflex:
Sensory Loss:

Answer 1

Deltoid, infraspinatus, biceps.
Biceps.
Shoulder, upper lateral arm.

Question 2

C6 (hint: ‘C6 Biker Chicks’)
Main Weakness:
Decreased Reflex:
Sensory Loss:

Answer 2

Wrist extensors, biceps.
Biceps, brachioradialis.
Lateral arm and forearm, skin of thumb and index finger.

Question 3

C7
Main Weakness:
Decreased Reflex:
Sensory Loss:

Answer 3

Triceps.
Triceps.
Posterior arm and forearm, skin of index and middle fingers.

Question 4

L1-L2
Main Weakness:
Decreased Reflex:
Sensory Loss:

Answer 4

Illiopsoas, Psoas major, hip flexion.
None.
Around hip (front and back).

Question 5

L2-L3
Main Weakness:
Decreased Reflex:
Sensory Loss:

Answer 5

Adduction of thigh (waddling gait), knee extension.
Patellar (knee jerk).
Around hip (front and back), anterior and medial thigh.

Question 6

L4
Main Weakness:
Decreased Reflex:
Sensory Loss:

Answer 6

Tibialis anterior and posterior, foot inversion.
None.
Medial leg, lateral and anterior thigh.

Question 7

L5
Main Weakness:
Decreased Reflex:
Sensory Loss:

Answer 7

Foot dorsi-flexion, hip abduction, heel walk (Trendelenberg sign).
None.
Dorsum and sole of foot, lateral leg.

Question 8

S1
Main Weakness:
Decreased Reflex:
Sensory Loss:

Answer 8

Foot plantar flexion; tip-toe walk.
Achilles tendon (ankle jerk).
Lateral foot, small toe plantar surface (sole) of foot.