Lower limb nerve supply Flashcards
where does the sciatic nerve pass through?
Femoral triangle
What are the different sides of the femoral triangle?
Superiorly - inguinal ligament
Medially - adductor longus
Laterally sartorius muscle
Sciatic nerve comes from?
L4, L5, S1, S2 and S,3
What muscle is the sciatic nerve near?
piriformis
What is a split of the sciatic nerve that supplies the posterior compartment of the leg?
Tibial nerve
Where does the tibial nerve enter the foot?
Tarsal tunnel of foot and innervates majority muscles in the foot.
What does the common peroneal nerve divide into?
- Deep peroneal nerve
- superficial peroneal nerve
What is the largest cutaneous branch of the femoral nerve?
Saphenous nerve
Where does the femoral nerve receive information from?
L2-L4 anterior rami
What muscles does the femoral nerve innervate?
HIP FLEXORS:
Psoas major, iliacus, pectineus, sartorius
KNEE EXTENSORS:
- rectus femoris
- vastus lateralis
- vastus medialis
- vastus intermedialis
What cutaneous part of lower limb is controlled by femoral nerve?
Anterior medial compartment of the leg
What muscles does the common peroneal nerve supply?
Superficialis: lateral compartment of leg
Deep: anterior compartment of the leg and intrinsic foot muscles
What is the medial floor of the femoral triangle?
Adductor magnus
What is the lateral floor of femoral triangle?
illiapsoas
