Anterior Thigh

Question 1

Dermatome meaning

Answer 1

Area of skin supplied by a single spinal nerve

Question 2

Dermatome of anterior thigh

Answer 2

L1, L2,L3
L1- femoral branch of genitofemoral nerve
L2- lateral and medial cutaneous nerves of thigh
L3-lateral and medial cutaneous nerves of thigh

Question 3

Superficial fascia layers and contents

Answer 3

1. Fatty layer; contains great saphenous vein,lymph nodes&cutaneous nerves
2. Membranous layer

Question 4

Muscles of anterior thigh

Answer 4

Quadriceps femoris
Sartorius
Pectineus
Iliopsoas

Question 5

Sartorius

Answer 5

O- ASIS
I- upper part of medial surface of tibia
A-flexion of hip and knee joints

Question 6

Femoral triangle boundaries

Answer 6

Medial- medial border of adductor longus
Lateral- medial border of Sartorius
Base- inguinal ligament
Roof- skin and fascia containing great saphenous vein and cutaneous nerves
Floor- adductor longus, pectineus, psoas, iliacus

Question 7

Contents of femoral triangle

Answer 7

1. Femoral sheath
2. Femoral vessels - with their branches and tributaries
3. Nerves - femoral nerve, femoral branch of genitofemoral nerve, lateral cutaneous nerve of thigh
4. Deep inguinal lymph nodes

Question 8

Femoral canal advantage and disadvantage

Answer 8

Advantage- allows distension of femoral vein during muscular exercise to increase venous return
Disadvantage- allows femoral hernias (more common in women)

Question 9

Branches of femoral artery in femoral triangle

Answer 9

1. Three superficial inguinal
   -superficial external pudendal
   -superficial epigastric
   -superficial circumflex iliac
2. Deep external pudendal
3. Profunda femoris
4. Muscular branches

Question 10

Swelling in femoral triangle

Answer 10

1. Femoral hernia
2. Femoral artery aneurysm
3. Femoral vein thrombosis
4. Enlarged inguinal lymph nodes
   5.psoas abscess
5. Lipoma of fatty tissue