Anterior & Medial Thigh & Knee

what nerve innervates the anterior compartment of the thigh?

femoral nerve (ventral rami of L2-L4)

what nerve innervates the medial compartment of the thigh?

obturator nerve (ventral rami of L2-4)

what nerve innervates the posterior compartment of the thigh?

sciatic nerve (ventral rami of L4-5, S1-3)

what are the muscles of the anterior thigh?

tensor fascia latae

pectineus

iliopsoas

sartorius

quadriceps: rectus femoris, vastus lateralis, vastus intermedius, vastus medialis

what are the cutaneous nerves of the anterior & medial thigh?

lateral cutaneous branch of the subcostal (T12)

lateral cutaneous nerve of the thigh (L2-3)

genitofemoral (L1-2)

ilioinguinal (L1)

cutaneous branch of the femoral (L2-4)

cutaneous branch of the obturator (L2-4)

what are the boundaries of the femoral triangle?

base: inguinal ligament

lateral: sartorius

medial: adductor longus

what are the contents of the femoral triangle (lateral to medial)?

N femoral nerve

A femoral artery

V femoral vein

E empty space (femoral canal)

L lymphatic vessel

what are the branches of the femoral artery?

superficial epigastric

superficial circumflex iliac

external pudendal

profunda femoris (medial and lateral circumflex femoral)

descending genicular

saphenous

what are the branches of the femoral vein?

deep femoral vein

great saphenous vein

what are the muscles of the medial thigh?

pectineus

adductor magnus

adductor longus

adductor brevis

gracilis

obturator externus