Anterior and Medial Thigh

Question 1

What are the three listed tributaries of the Great Saphenous Veins?

Answer 1

1. External Pudendal Vein
2. Superficial circumflex iliac vein
3. Superficial epigastric vein

Question 2

What does the Superior Superficial Inguinal Lymph Nodes drain? What Driection do they run?

Answer 2

1. Anterior abdomnial wall below belly button, reproductive organs, lower anal canal, and lateral thigh
2. Horizontal

Question 3

What does the Inferior superficial Inguinal Lymph Nodes drain? What direction do they run?

Answer 3

1. Superficial tissue of LE
2. Vertical

Question 4

The Superficial Inguinal Nodes drain all superficial structures of the Lower Extremity except for what? What drains these areas?

Answer 4

1. dorsolateral foot and posterior calf
2. Popliteal lymph nodes

Question 5

Common Pathologies of the Superficial Inguinal Lymph Nodes include what?

Answer 5

1. Sexually transmitted infection
2. Medial foot/leg cellulitis
3. Skin Cancer

Question 6

What does the Lateral Femoral Cutaneous Nerve innervate?

Answer 6

Sensory - Anterior and Lateral Thigh

Question 7

What does the Femoral branch of Genitofemoral nerve innervate?

Answer 7

Sensory - Scrotum/labia majora/ medial thigh

Motor - Cremaster M.

Question 8

What does the Obturator Nerve innervate?

Answer 8

Sensory - Medial Thigh

Motor - Obturator externus M, Adductor longus M, Adductor Brevis M, Gracilis M, Pectineus M, Adductor Magnus M.

Question 9

What structure passes through the superficial inguinal ring?

Answer 9

Ilioinguinal nerve

Question 10

A patient comes in with numbness in the anterior and lateral thigh. The patient works as a police officer and often wears very tight belts.

What nerve is he impinging?

How is it impinged?

What is it called?

Answer 10

1. Lateral Femoral Cutaneous Nerve
2. Where it passes deep to the inguinal ligament
3. Meralgia paresthetica

Question 11

The part of the Fascia Lata that runs vertical is known as what?

Answer 11

Iliotibial tract (band)

Question 12

Where does the Iliotibial band attach?

Answer 12

Gerdy’s tubercle on anteriolateral tibia

Question 13

What is the action of the Iliacus Muscle? What innervates it?

Answer 13

1. flex thigh and stabilize acetabulofemoral joint
2. Femoral Nerve

Question 14

What is the action of the Psoas Major M. What innervates it?

Answer 14

1. flex vertebral column & Flex trunk and thigh (in conjuction with iliacus)
2. Muscular branches of L2-L4

Question 15

What is the action of Rectus Femoris? What innervates it? What is something special about it?

Answer 15

1. Extend leg at knee, assist iliopsoas M. in thigh flexion
2. Femoral N.
3. Crosses Two Joints

Question 16

What is the action of Vastus Lateralis Muscle? What innervates it?

Answer 16

1. Extend Leg
2. Femoral Nerve

Question 17

What is the action of Vastus Intermedius? What innervates it?

Answer 17

1. Extend Leg
2. Femoral N

Question 18

What is the action of Vastus Medialis? What innervates it?

Answer 18

1. Extend Leg
2. Femoral N

Question 19

What is the Function of Sartorius? What innervates it? What are two things that are special about it?

Answer 19

1. Flex, Abduct, and laterally rotate thigh & flex leg at knee.
2. Femoral N
3. Longest Muscle in the Body. 2 Joints.

Question 20

What three muscles insert at the Pes Anserinus?

Answer 20

Sartorius M, Gracilus M, and Semitendinosus M.

Question 21

What is the function of Articular Genu M? What innervates it? Where is it located?

Answer 21

1. tighten knee capsule during extension of the leg
2. femoral N
3. deep to vastus intermedius m

Question 22

What branch of the femoral nerve supplies the medial aspect of leg and ankle? What other structure does it run with?

Answer 22

1. Saphenous N
2. Great Saphenous V.

Question 23

What are the main branches of the Femoral Artery? (6)

Answer 23

1. External pudendal
2. superficial epigastric
3. superficial circumflex iliac
4. medial femoral circumflex
5. lateral femoral circumflex
6. deep femoral - gives off profunda femoris

Question 24

What supplies blood to the head and neck of the femur? Where does it branch from?

Answer 24

1. Posterior Retinacular A
2. Medial femoral circumflex A

Question 25

What supplies blood to the ligament of head of the femur? Where does it come from?

Answer 25

1. Acetabular branch of Obturator A
2. Obturator A

Question 26

If you have occlusion of Posterior Retinacular A or Acetabular branch of Obturator artery, what is likely to result?

Answer 26

1. Avascular Necrosis of the Femoral Head

Question 27

What is the action of Gracilis M? What innervates it?

Answer 27

1. Adduct thigh, Assist in medial thigh rotation, flex the leg
2. Anterior divison of Obturator N.

Question 28

What is the action of Pectineus M? What innervates it?

Answer 28

1. Adduct and flex thigh
2. Femoral N

Question 29

What is the action of Adductor Longus M? What innervates it?

Answer 29

1. Adduct Thigh
2. Anterior Division of obturator N

Question 30

What is the action of Adductor Magnus? What innervates it?

Answer 30

1. whole muscle - adducts thigh

Hamstring side helps extend leg

2. Upper fibers - posterior division of obturator N

Lower fibers - tibial divison of sciatic N

Question 31

What is the action of Obturator Externus? What innervates it?

Answer 31

1. Lateral rotator of thigh, holds head of femur in acetabulum
2. Anterior division of obturator N

Question 32

Where does the Adductor Canal Run? What are it’s Boundaries?

Answer 32

1. Runs from apex of femoral triangle to adductor hiatus
2. Anteromedial - Sartorius

Lateral - Vastus Medialis

Posterior - Adductor Longus & Adductor Magnus

Question 33

What are the contents of the Adductor canal?

Answer 33

1. Femoral A + V
2. Saphenous A
3. Saphenous N
4. Nerve to Vastus Medialis

Question 34

What exits the Adductor Canal?

Answer 34

Popliteal A and V.

Question 35

What group of muscles would you expect to strain during a groin pull?

Answer 35

Anteromedial thigh muslces