Vessels And Nerves Of The Lower Exremity

Question 1

Contributors to the Genicualr Anastomosis

Answer 1

• 4 branches of the genicualr arteries
• Descending Branches of Femoral and deep femoral arteries
• Ascending branches of Ant. And Post. Tibial Arteries

Question 2

What is the largest branch off the femoral artery

Answer 2

• Profunda femoris

Deep femoral

Question 3

The Sup Epigastric Artery anastomoses with what?

Answer 3

INF. Epigastric

Question 4

Obturator Nerve Characteristics and vertebral nerve landmarks

Answer 4

• Emerges from the Medial side of the Psoas major
• Enters THIGH through Obturator Foramen
• L2 - L4

Question 5

Where is the Lumbar Plexus formed?

Answer 5

Psoas Major

Question 6

Th Sciatic Nerve is a Fusion between what?

Answer 6

• Fusion of Common Peroneal (Fibual) and Tibial Nerves

Question 7

Ant Tibial Artery

Answer 7

• Terminal Branch of the Popliteal artery

- Renamed Dorsalis Pedis artery at ankle joint

Question 8

The Cruciate anastomosis includes branches from where?

Answer 8

1. Medial Fem. Circumflex
2. Lateral Fem. Circumflex
3. Inf. Gluteal Artery

4 First Perforating Artery

Question 9

Sacral Plexus vertebral nerve landmarks

Answer 9

S1 - S4

Question 10

Deep femoral Artery

Answer 10

• Largest brach off femoral
• Gives rise to 3 PERFORATING branches
• Terminates as a 4th Perforating branch

Question 11

Prox branches of the Femoral Artery

Answer 11

All Superficial

• Epigastric
• Circumflex Iliac
• External Pudendal

Question 12

Where does the Superior Gluteal nerve pass?

Answer 12

• Through the Greater Sciatic notch

- ABOVE PIRIFORMIS

Question 13

What does the Medial Femoral Circumflex artery supply

Answer 13

• Hip Joint
• Muscles of the upper thigh
• Gluteal Region

Question 14

The OBTURATOR nerve supplies what?

Answer 14

• MEDIAL Thigh muscles

- SKIN on the Medial Thigh

Question 15

Political artery

Answer 15

• Continuation of Femoral artery
• Ends at Inf. Border of popliteus muscle
• Most ANT. Structure in the popliteal fossa

Question 16

Deep veins of the Lower Limb

Answer 16

• Venae Comitantes
• Popliteal Vein
• Communicating veins

Question 17

Components of the Lumbo-Sacral Plexus

Answer 17

1. Lumbar Plexus
2. Lumbosacral Trunk
3. Sacral Plexus

Question 18

Post Femoral Cutaneous Nerve supplies what?

Answer 18

Skin of the

• Butt
• External Genetalia
• Back of thigh

Question 19

Where does the Popliteal vein turn into the Femoral vein?

Answer 19

Adductor Hiatus

Question 20

Superficial Veins of the Lower Limbs

Answer 20

• Great Saphenous

- Lesser Saphenous

Question 21

The femoral nerve supplies what in the Iliac fossa?

Answer 21

1. Iliacus
2. Pectineus
3. Femoral Artery

Question 22

Femoral Nerve Characteristics and vertebral nerve landmarks

Answer 22

• Largest branch of the Lumbar plexus

- L2 - L4

Question 23

The Sup. External Pudendal artery passes whare?

Answer 23

MEDIALLY towards the External Genetalia

Question 24

Lumbar plexus vertebral nerve landmarks

Answer 24

L1 - L4

Question 25

The femoral nerve supplies what DISTALLY

Answer 25

1. Sartorius 2. Quads 3. FEMORIS 4. Ant. Thigh

Question 26

The femoral artery will become what the Popliteal artery where?

Answer 26

At the ADDUCTOR HIATUS

Question 27

Obturator artery

Answer 27

- Arises from Int. Iliac | - gives rise to ACETABULAR Artery

Question 28

Lateral Femoral Circumflex passes laterally to what?

Answer 28

Sartorius Muscle | Longest muscle in the body

Question 29

Lumbosacral trunk vertebral nerve landmarks

Answer 29

L4 - L5

Question 30

Deep external pudendal artery becomes superficial to do what?

Answer 30

Supply the genetalia

Question 31

All the arteries ABOVE the Inguinal Ligament are _____ while all the ones BELOW are ________.

Answer 31

- Deep | - Superficial

Question 32

What does the Lateral Femoral Circumflex artery supply

Answer 32

Same as the Medial - Hip, thigh, butt

Question 33

What is the Cremaster muscle?

Answer 33

Raises up the testicles

Question 34

Cruciate Anastomosis

Answer 34

- Joins the Int. Iliac to the Femoral | - Bypasses the Femoral or EXT. Iliac Arteries

Question 35

Sciatic Nerve Characteristics

Answer 35

- Largest Physical Nerve in the Body - Exits Pelvis through Sciatic Foramen - Descends be gluteus max

Question 36

The Sup. Circumflex passes along what ligament?

Answer 36

Inguinal Ligament