Lower Extremity Nerves

Question 1

Sensory and motor of iliohypogastric nerve

Answer 1

Sensory: suprapubic
Motor: transverse abdominis and Internal oblique

Question 2

Presentation of ilihypogastric nerve injury

Answer 2

Decreased sensation in the suprapubic region of tingling sensation spreading to the inguinal region

Question 3

Sensory and motor of genitofemoral never

Answer 3

Motor: cremaster’s reflex
Sensory : scrotum and labia

Question 4

Presentation of genitofemoral nerve injury

Answer 4

Absent sensation in scrotum and labia and medial thigh + absent cremastric reflex

Question 5

Lateral femoral cutaneous nerve sensory

Answer 5

Anterior and lateral thigh

Question 6

What is meralgia parasthetica

Answer 6

Compression of later cutaneous nerve that causes numbness or pain in the anterolateral thigh

Question 7

Obturator nerve motor and sensory

Answer 7

Motor: adductor Magnus longus, brevis,
Obturator externus, gracillus and pectineus
Sensory : medial thigh

Question 8

Injury of obturator nerve

Answer 8

Decreased medial thigh sensation and addiction

Question 9

Femoral nerve motor and sensory

Answer 9

Sensory: anterior thigh and medial leg
Motor: pectineus iliacus sartorius and quadriceps

Question 10

Injury to femoral nerve

Answer 10

Decreased leg extension and decreased patellar reflex

Question 11

Common fibular/ peroneal nerve sensation and motor

Answer 11

Lateral leg and dorsum of the foot
Helps in reversion and dorsiflexion

Question 12

Injury to common peroneal nerve causes

Answer 12

Plantarflexion and inversion with loss of sensation over dorsum of foot
Steppage gait

Question 13

Tibial nerve sensation and motor

Answer 13

Sensation of sole of foot
Inversion and plantarflexion

Question 14

Injury to tibial nerve

Answer 14

Dorsiflexion and eversion with loss of sensation in the sole of the foot