The thigh anatomy Flashcards
What action do the muscles of the anterior compartment of the thigh mostly act to do?
Leg extension at the knee.
What is the innervation of the muscles in the anterior compartment of the thigh?
Femoral nerve (L2-L4)
What is the arterial supply of the muscles in the anterior compartment of the thigh?
Femoral artery
What is the function of the iliopsoas muscle?
Thigh flexion at hip.
What is the innervation of the poses major?
Anterior rami of L1-L3
What is the innervation of the iliacus?
Femoral nerve
What 4 muscles does the quadriceps femoris consist of?
The 3 vastus muscles + rectus femoris.
What is the function of vastus lateralis?
Leg extension at the knee
(also stabilises patella)
What is the innervation of vastus lateralis?
Femoral nerve (L2-L4)
What is the function of vastus intermedius?
Extension of leg at knee
(also stabilises patella)
What is the innervation of vastus intermedius?
Femoral nerve (L2-L4)
What is the function of vastus medalis?
Extension of leg at knee
(also stabilises patella)
What is the innervation of vastus medalis?
Femoral nerve (L2-L4)
What is the function of rectus femoris?
Extension of leg at knee
Flexion of thigh at hip
What is the innervation of rectus femoris?
Femoral nerve (L2-L4)
What is the function of sartorius at the hip joint?
Thigh flexion, abduction and lateral rotation.
What is the function of sartorius at the knee joint?
Leg flexion
What is the innervation of sartorius?
Femoral nerve (L2-L4)
Which muscles make up the anterior compartment of the thigh?
Iliopsoas
3 vastus muscles + rectus femoris (quadriceps femoris)
Sartorius
Pectineus
What is the function of pectineus?
Hip adduction and flexion
What is the innervation of pectineus?
Femoral nerve (L2-L4)
Where do the cutaneous arteries of the anterior thigh arise from?
Femoral artery
Where are the superficial inguinal nodes located?
In a line directly below the inguinal ligament.
Which areas do the superficial inguinal nodes drain?
Penis
Scrotum
Perineum
Buttocks
Abdominal wall
Where are the deep inguinal nodes located?
On the medial aspect of the femoral vein.
Which areas are drained by the deep inguinal nodes?
Deep lymphatic trunks of the thigh
Where are the superficial sub-inguinal nodes located?
On each side of the proximal section of the great saphenous vein.
Which areas are drained by the superficial sub-inguinal nodes?
Superficial lymphatic vessels of the lower leg.