Anatomy Dissection 1

Question 1

What are the borders of the femoral triangle?

Answer 1

Inguinal ligament superiorly
Sartorius laterally
Adductor longus medially

Question 2

What two structures make up the floor of the femoral triangle?

Answer 2

Iliopsoas laterally

Pectineus medially

Question 3

From lateral to medial - what does the femoral traingle contain?

Answer 3

Nerve, artery, vein and canal

Question 4

What is contained in the femoral canal?

Answer 4

Deep inguinal lymph nodes - also location of femoral hernia

Question 5

What does the femoral sheath contain?

Answer 5

Femoral artery and vein

Question 6

What is a short tube of transversalis and iliopsoas fascia from the abdominal wall which surrounds the most proximal parts of femoral artery and vein?

Answer 6

Femoral sheath

Question 7

What does the femoral sheath not contain?

Answer 7

Femoral nerve

Question 8

Where is the femoral nerve (L2 - L4) formed?

Answer 8

In the lumbar plexus

Question 9

What nerve branches from the femoral nerve to leave the adductor canal distally by passing between sartorius and gracilis?

Answer 9

Saphenous nerve

Question 10

What nerve supplies the fascia and skin of the anteromedial aspects of the knee and leg and the medial aspect of the foot?

Answer 10

Saphenous nerve

Question 11

What arteries supply the majority of blood to the head of femur through their retinacular branches, which pass superiorly in relation to the femoral neck and capsule of hip joint?

Answer 11

Medial and lateral circumflex arteries

Question 12

Where do medial and lateral circumflex arteries emerge from?

Answer 12

Profunda femoris

Question 13

What is the inferior border of the external oblique aponeurosis?

Answer 13

Inguinal ligament

Question 14

What does the inguinal ligament run between?

Answer 14

ASIS and pubic tubercle

Question 15

What do the muscles of the anterior thigh mainly act to doi?

Answer 15

Flex at hip and extend at knee

Question 16

What are the proximal attachments of iliopsoas?

Answer 16

Iliac fossa (iliacus) and lumbar transverse processes/IV discs (psoas major)

Question 17

What are the distal attachments of iliopsoas?

Answer 17

Lesser trochanter of femur

Question 18

What is the action of iliopsoas muscle?

Answer 18

Flexion at hip

Question 19

What is the nerve supply to iliopsoas?

Answer 19

Anterior rami of lumbar spinal nerves

Question 20

What is proximal and distal attachement of sartorius?

Answer 20

ASIS - proximal

Medial surface of proximal tibia - distal

Question 21

What is the action of sartorius?

Answer 21

Flexion at hip and knee

Question 22

What nerve supplies sartirius?

Answer 22

Femoral nerve

Question 23

What are the four quadriceps femoris muscles?

Answer 23

Rectus femoris
Vastus lateralis
Vastus intermedius
Vastus medius

Question 24

What is the proximal and distal attachment of Rectus femoris?

Answer 24

ASIS

Patella then tibial tuberosity

Question 25

What is the proximal and distal attachments of vastus lateralis?

Answer 25

Shaft of femur | Patella then tibial tuberosity

Question 26

What is the proximal and distal attachments of vastus intermedius?

Answer 26

Shaft of femur | Patella then tibial tuberosity

Question 27

What is the proximal and distal attachments of vastus medius?

Answer 27

Shaft of femur | Patella then tibial tuberosity

Question 28

What is the action of quadriceps femoris?

Answer 28

Extension of knee

Question 29

What nerve supplies quadriceps femoris?

Answer 29

Femoral nerve

Question 30

What are the four medial thigh muscles?

Answer 30

Gracilis Adductor brevis Adductor longus Adductor magnus

Question 31

What medial thigh muscle has adductor and hamstring part?

Answer 31

Adductor magnus

Question 32

What is the most medial adductor muscle?

Answer 32

Gracilis - only hamstring to cross knee joint in addition to hip joint

Question 33

What function does gracilis have?

Answer 33

Weak flexor of kneeq

Question 34

What two adductor muscles lie anterior to adductor magnus?

Answer 34

Brevis nad longus

Question 35

Which adductor muscle lies superior to adductor longus/

Answer 35

Adductor brevisq

Question 36

What are the proximal attachemtns of adductor muscles?

Answer 36

Pubis, ischiopiubis ramus or ischial tuberosity (hamstring part of adductor magnus)

Question 37

What are the distal attachments for adductor muscles?

Answer 37

Posterior surface of shaft of the femur along the linea aspera, or adductor tubercle of tibia (adductor part of adductor magnus)

Question 38

What are all the muscles of medial thigh innervated by except hamstring part of adductor magnus?

Answer 38

Obturator nerve L"-L$

Question 39

What is the adductor magnus hamstring part innervated by?

Answer 39

Tibial nerve

Question 40

At the upper border of adductor brevis what does obturator nerve divide into?

Answer 40

Anterior and posterior branches

Question 41

Name 3 sensory innervations of the thigh?

Answer 41

1. Anterior cutaneous nerve of thigh (L2-L4) 2. Lateral cutaneous nerve of thigh (L2-L3) 3. Cutaneous branch of obturator nerve (L2-L4)

Question 42

Where does lymph following great saphenous vein drain to?

Answer 42

Superficial inguinal lymph nodes

Question 43

Where does lymph from superficial inguinal nodes drain to?

Answer 43

External iliac nodes

Question 44

What is the path of lymph following small saphenous vein?

Answer 44

Drains into popliteal lymph nodes then deep inguinal nodes