Nerves and Nerve Roots Flashcards
What nerve roots contribute to the formation of the femoral nerve?
L2-L4
What nerve roots contribute to the formation of the lateral femoral cutaneous nerve?
L2-L3
What nerve roots contribute to the formation of the anterior cutaneous nerve?
L2-L4
What nerve roots contribute to the formation of the saphenous nerve?
L3-L4
What nerve roots contribute to the formation of the cutaneous branch of the obturator nerve?
L2
What nerve roots contribute to the formation of the obturator nerve?
L2-L4
What nerve roots contribute to the formation of the sciatic nerve proper?
L4-S3
What nerve roots contribute to the formation of the tibial division of the sciatic nerve/tibial nerve?
L4-S3
What nerve roots contribute to the formation of the common fibular division of the sciatic nerve/common fibular nerve?
L4-S2
What nerve roots are responsible for making the calcaneal tendon reflex?
S1-S2
What nerve roots contribute to the formation of the superior gluteal nerve?
L4-S1
What nerve roots contribute to the formation of the inferior gluteal nerve?
L5-S1
What nerve roots contribute to the formation of the nerve to piriformis?
S1-S2
What nerve roots contribute to the formation of the nerve to superior gemellus/obturator internus?
L5-S2
What nerve roots contribute to the formation of the nerve to inferior gemellus/quadratus femoris?
L4-S1
What nerve roots contribute to the formation of the pudendal nerve?
S2-S4
What nerve roots contribute to the formation of the perforating cutaneous nerves?
S2-S4
What nerve roots contribute to the formation of the posterior femoral cutaneous nerve?
S1-S3
What nerve roots contribute to the formation of the superior cluneal nerve?
L1-L3 dorsal rami
What nerve roots contribute to the formation of the medial cluneal nerve?
S1-S3 dorsal rami
What nerve roots contribute to the formation of the inferior cluneal nerve?
S1-S3 ventral rami
What nerves form the sural nerve and what nerve do those branches arise from?
Sural = medial sural and lateral sural cutaneous (via sural communicating branch from lateral sural cutaneous).
Medial sural from tibial nerve.
Lateral sural from common fibular nerve.
What area of skin does the sural nerve supply?
Posterolateral distal half of leg and lateral foot
What area of skin does the saphenous nerve supply?
Anteromedial leg and proximal medial foot
What area of skin does the superficial fibular nerve supply?
Lateral leg and dorsum of foot and digits
What area of skin does the deep fibular nerve supply?
“Flip-Flop” region
What area of skin does the dorsal cutaneous nerve supply?
Lateral foot
What area of skin does the lateral plantar nerve supply and what are the nerve roots contributing to it?
Lateral plantar foot
S1-S2
What area of skin does the medial plantar nerve supply and what are the nerve roots contributing to it?
Medial plantar foot
L4-L5
What area of skin does the posterior femoral cutaneous nerve supply?
Posterior thigh and popliteal fossa
What nerve roots contribute to the formation of the superficial fibular nerve?
L4-S1
What nerve roots contribute to the formation of the deep fibular nerve?
L5
What nerve roots contribute to the formation of the sural nerve?
S1-S2
What area of skin does the superior cluneal nerve supply?
Superior and central buttocks
What area of skin does the medial cluneal nerve supply?
Medial buttocks and intergluteal cleft
What area of skin does the inferior cluneal nerve supply?
Inferior buttocks
