Clinical anatomy of the lower limb- cutaneous innervation, myotomes Flashcards
Ankle jerk reflex roots
S1/S2
Knee jerk reflex roots
L3/L4
Main branches of the sciatic nerve (2)
Tibial nerve
Common fibular nerve
What does the sciatic nerve (and its branches) provide motor innervation to?
The muscles of the posterior thigh
The entire leg and foot
Superficial fibular nerve provides sensation to….
The dorsum of the foot (with exception of 1st dorsal web space) and lateral lower half of shin
Named nerve innervation of the first dorsal web space of the foot
Deep fibular nerve
Sural nerve is formed by…and provides sensory innervation to…
Collateral branches from the common fibular and tibal nerves
The skin over the ankle and lateral to the achilles tendon
Named nerve sensory supply to the medial lower limb
Saphenous nerve
Named nerve sensory supply to the anteromedial thigh
Femoral nerve
Named nerve sensory supply to the lateral thigh
Lateral femoral cutaneous nerve
Sciatic nerve roots
L4-S3
Femoral nerve roots
L2-L4
Motor functions of the femoral nerve (2)
Hip flexors
Knee extensors
Saphenous nerve is a branch of…
Femoral nerve
Nerve roots responsible for:
a) hip flexion
b) knee extension
a) L1/L2
b) L3/L4
