Anterior & Medial Thigh

Question 1

What is the motor and sensory innervation of the anterior thigh?

Answer 1

• motor: femoral n
• sensory: lat. femoral cutaneous & ant. femoral cutaneous

Question 2

What is the arterial supply of the anterior thigh?

Answer 2

femoral art.

Question 3

What is the femoral nerve lateral to what?

Answer 3

psoas major

Question 4

What is the venous drainage of the ant. thigh?

Answer 4

great saphenous vein -> drains into femoral vein

Question 5

What are the broders of the femoral triangle? (S.A.I.L.)

Answer 5

• lat: sartorius
• medial: adductor longus
• sup: inguinal ligament
• floor: iliopsoas + pectineus

Question 6

What are the contents of the femoral triangle? (N.A.V.A.L.)

Answer 6

• femoral n.
• femoral art.
• femoral vein
• femoral lymphatics

Question 7

What is the proximal and distal attachments of the iliopsoas?

Answer 7

• prox: iliacus -> iliac fossa; psoas major -> lat. lumbar spine
• distal: lesser trochanter

Question 8

What is the proximal and distal attachments of the pectineus?

Answer 8

• prox: sup. pubic ramus
• distal: lesser trochanter

Question 9

Along with the femoral nerve, what else is the pectineus innervated by?

Answer 9

obturator nerve

Question 10

What is the proximal and distal attachments of the sartorius?

Answer 10

• prox: ASIS
• distal: med. surface of prox. tibia

Question 11

What are the contents of the subsartorial canal?

Answer 11

• femoral art.
• femoral vein
• saphenous nerve
• nerve to vastus medialis

Question 12

Where does the subsartorial canal run?

Answer 12

from the apex of femoral triangle to adductor hiatus

Question 13

What is the proximal attachment of the rectus femoris?

Answer 13

AIIS

Question 14

What are the proximal attachments of the vastus lateralis?

Answer 14

• greater trochanter
• intertrochanteric line

Question 15

What are the proximal attachments of the vastus intermedius?

Answer 15

• proximal shaft
• intertrochanteric line

Question 16

What are the proximal attachments of the vastus medialis?

Answer 16

• intertrochanter line
• linea aspera

Question 17

What is the action of the anterior thigh extensors?

Answer 17

extension at the knee

Question 18

What are the superior anterior thigh muscles?

Answer 18

• iliopsoas
• sartorius
• pectineus

Question 19

What is the action of the superior anterior thigh muscles?

Answer 19

flex thethigh at the hip with rectus femoris

Question 20

What are the inferior anterior thigh muscles?

Answer 20

• rectus femoris
• vastus lateralis
• vastus intermedius
• vastus medialis

Question 21

What is the motor and sensory innervation of the medial thigh?

Answer 21

obturator n. for both

Question 22

What is the arterial supply of the medial thigh?

Answer 22

internal iliac art. -> obturator art.

Question 23

Adductor brevis is deep to what?

Answer 23

adductor longus

Question 24

What is the proximal attachment of the adductor longus?

Answer 24

pubic body

Question 25

What is the proximal attachment of the adductor brevis?

Answer 25

inf. pubic ramus

Question 26

What is the proximal attachment of the adductor minimus?

Answer 26

inf. pubic ramus

Question 27

What are the proximal attachments of the adductor mangus?

Answer 27

* ischio-pubic ramus * ischial tuberosity

Question 28

Along with the obturator nerve, what else is the adductor mangus innervated by?

Answer 28

sciatic nerve

Question 29

What are the proximal and distal attachments of the gracilis?

Answer 29

* prox: inf. pubic ramus * distal: prox. tibia

Question 30

What are the proximal and distal attachments of the obturator externus?

Answer 30

* prox: external obturator membrane * distal: greater trochanter

Question 31

What are the muscles that deal with hip rotation?

Answer 31

* gracilis= internal rotation * obturator externus= external rotation

Question 32

What are the muscles that deal with hip flexion and extension?

Answer 32

adductor magnus

Question 33

What are the muscles that deal with hip adduction?

Answer 33

* pectineus * gracilis * addcutor longus * adductor brevis * adductor magnus * adductor minimus