Femoral Triangle

Question 1

Muscles of the Quadriceps

Answer 1

1. Rectus Femoris
2. Vastus Lateralis
3. Vastus Intermedius
4. Vastus Medialis

Question 2

Blood Supply of the ANT. Thigh

Answer 2

Femoral Artery

Question 3

What muscle in the Post. Thigh is NOT innervated by the Tibial portion of the Sciatic nerve? What is it innervated by?

Answer 3

• SHORT head of the Biceps Femoris

- Innervated by the Common PERONEAL (Fibualr) portion of the sciatic nerve

Question 4

Action of the iliopsoas muscle

Answer 4

• Flexes the hip

- Internally rotates the hip

Question 5

Muscles of the MEDIAL Compartment of the Thigh

Answer 5

1. Gracilis
2. Obturator Externus
3. AD. Longus
4. AD. Brevis
5. AD. Magnus

GO AAA

Question 6

Extra innervation of the Iliopsoas other than the femoral nerve.

Answer 6

Psoas Major directly from L1-3

Question 7

The Muscles of the ANT. Thigh are innervated by what? Specifically what Branches?

Answer 7

Femoral Nerve

L2-3

• Iliopsoas
• Sartorius
• Pectineus

L2-4
- Quad muscles

Question 8

Blood Supply to the Medial Compartment of the Thigh

Answer 8

Obturator Artery

Question 9

Origin and Insertion of the ILIO-PSOAS

Answer 9

2 Origins

• Iliacus Portion from Iliac Fossa
• Psoas Major

Insertion
- Lesser Trochanter

Question 10

Vascular Supply to the Post. Compartments of the Thigh

Answer 10

Perforating Arteries of the PROFUNDA Femoris

Question 11

Where does the AD-Ductor Canal Begin?

Answer 11

At the APEX of the Femoral Triangle

Question 12

Contents of the Femoral Triangle from Lateral to Medial

Answer 12

1. Femoral Nerve
2. Femoral ARTERY
3. Fem. VEIN
4. Lymphatics

“NAVL”

Question 13

Muscles of the ANT. compartment of the Thigh.

Answer 13

1. SARTORIOUS
2. Pectineus
3. Iliopsoas
4. Quadriceps

Question 14

3/4 Muscles of the Post. Thigh are innervated by what nerve?

Answer 14

TIbial Nerve

Question 15

Borders of the Femoral Triangle

Answer 15

1. Inguinal Ligament
   - From ASIS
2. Med. Border of the SARTORIOUS
3. Med. Border of the ADD. LONGUS

Question 16

WHat contents of the femoral Traingle is NOT in the Femoral SHEAT

Answer 16

• Femoral NERVE

Question 17

What muscles has two innervations in the Medial Thigh? What are they?

Answer 17

1. ADDUCTOR Magnus

2. Obturator and TIBIAL Nerve

Question 18

Origin and Insertion of the PECTINEUS

Answer 18

O
- Pectineal line of the Pubis

I
- Upper half of the pectineal line of Femur

Question 19

Action of the Post. Thigh Muscles

Answer 19

1. Hip Extension

2. Knee Flexion

Question 20

Action of the Sartorius Muscle

Answer 20

1. Flexes the Hip
2. AB-Ducts the hip
3. Externally rotates hip
4. Flexes the knee
5. Internally rotates the knee

Question 21

Muscles of the Posterior Compartment of the Thigh.

Answer 21

Hamstrings

1. Biceps Femoris
   - Long Head
   - Short Head
2. Semi-Membranosus
3. Semi-Tendinosus

Question 22

Action of the Pectineus

Answer 22

Flexes, adducts, and internally rotates the hip

Question 23

All the muscles of the Medial Thigh are innervated by what?

Answer 23

Obturator Nerve