(COMPLETE) LL: Blood and Nerve Supply , Venous and Lymphatic Drainage

The common illiac artery arises from which artery (direct from the Heart)?

Aorta

The Common Iliac artery divides into which 2 major arteries?

1. Internal Iliac a.

2. External Iliac a.

Which branch of the common illiac artery supplies the Gluteal Regions?

Internal Iliac Artery

What are the 3 major branches of the Internal Iliac Artery?

1. Inferior Gluteal

2. Superior Gluteal

3. Internal Pudendal

Which of the 3 branches of the Internal Iliac a. is the LARGEST?

Superior Gluteal A.

Which artery exits the pelvis

• through the great sciatic foramen

• Superior to the Piriformis ms.

Superior Gluteal A.

The two branches of the Superior Gluteal A. supplies:

• Superficial Branch

  • Gluteus (?)

  • (?)

• Deep Branch

  • Gluteaus (?)

  • Gluteaus (?)

  • (?)

• Superficial Branch

  • Gluteus maximus

  • skin over its proximal attachment

• Deep Branch

  • Gluteaus Minimus

  • Gluteaus medius

  • Tensor Fascia Latae

Which vessels can be found exiting between the Gluteus minimus and Piriformis muscle?

Superior Gluteus Artery and Vein!

The superficial branch of the Superior Gluteus a. supplies?

Gluteus Maximus

Skin over proximal attachment

The Inferior gluteal Artery is a branch of which Artery?

Internal Iliac Artery

The inferior gluteal artery is found descending (?) to the Sciatic Nerve?

Medially

Which artery exits the pelvis

• through the great sciatic foramen

• Inferior to the Piriformis ms.

Inferior Gluteal Artery

Which artery anastomoses with Perforating Branches of The Femoral Artery

Inferior gluteal artery

What are the Two blood supplies of the Gluteus Maximus?

1. Superficial Branch of the Superior Gluteal Artery

2. Inferior Gluteal artery

What are the 4 muscles supplied by the Inferior Gluteal Artery?

1. Gluteus Maximus

2. Obturator Internus

3. Quadratus Femoris

4. Superior part of Hamstring

Does the Internal Pudendal Artery supply any of the structures in the Gluteal Region or Posterior Thigh?

No.

Internal pudendal a.

• Skin

• External Genitalia

• Muscles of Perineal region

Where can you find the Femoral Triangle?

Between the Anterior abdominal wall + Lower Limb

What is the Base of the femoral triange

Inguinal Ligament

What is the Medial Border of Femoral Triangle

Addutor Longus ms.

Lateral border of Femoral Triangle?

Sartorius ms.

Floor of Femoral Triangle?

• Pectineus ms.

• Iliopsoas

Roof of Femoral Triangle?

1. Fascia Lata

2. Cribriform fascia

3. Subcut tissue

4. Skin

Contents of Femoral Triangle?

Remember NAVELat → med

Femoral nerve

Femoral a.

Femoral v.

Lymphatics

Is the what is not found inside the Femoral sheath?

Femoral Nerve

The Femoral Sheath is continious to - fascia and - fascia of the abdomen.

Transversalis & Iliacus fascia

__ is found medial to the femoral Vein in the femoral sheath?

Lymphatic Vessels

what is found most lateral to the Lymphatic Vessels of the femoral sheath?

Femoral Nerve or Femoral Artery?

Femoral Artery

wala si Femoral nerve sa sheath

Femoral Hernias are more common in males or females?

Females

The Adductor Canal // Hunter’s Canal // Subsartorial Canal is continous with the - of the femoral triangle that points inferiorly.

Apex of the Femoral Triangle

Contents of Adductor Canal?

1. Femoral Artery

2. Femoral Vein

3. Saphenous Nerve

4. Nerve to Vastus Medialis ms.

Can the Femoral Nerve be found inside the Adductor canal?

NOOOOOOOO

only nerve to vastus medialis + saphenous nerve

Where can you find the Adductor haitus?

gap or opening located IN THE ADDUCTOR MAGNUS muscle in the lower part of the thigh, just above the knee.

The Adductor Hiatus is found proximal to the Medial/lateral supracondylar ridge?

Medial!!! the adductor magnus muscle is found medially

The Femoral Artery is a branch of the External or Internal iliac a. ?

External.

Remember Internal is for Gluteal chuchus

What is the Primary Artery of the Lower Limb?

Femoral Artery

How does the External Iliac a. become the femoral a. ?

Once the Ext. Iliac Artery passes through the Inguinal ligament

What are the 2 branches of the Femoral A.

1. Deep Femoral A. // profunada femoris a.

2. Cluster of Small branches

HINDI PROFUNDA BRACHII GAGO

NASA LEGS TAYO

ANO DAPAT?

Profunda femoris a.

What is the Chief Artery of the thigh?

Profunda Femoris A.

Primary Artery of the Lower Limb

vs

Chief Artery of the thigh

1. LL → Femoral artery

2. thigh → Profunda femoris artery

Where exactly does the Profunda femoris a. arise from the femoral artery?

Within the Femoral Triangle.

Postero- lateral aspect of the femoral artery

Which artery, together w/ the Profunda Femoris A. supplies the Adductor Muscles of the thigh?

Obturator a.

Which 2 arteries supply the adductor muscles of the thigh?

Obturator a.

Profunda Femoris a.

The profunda femoris artery divides into which 3?

1. Lateral circumflex Femoral a.

2. Medial circumflex Femoral a.

3. Perforating arteries

What does the 3 branches of the Lateral circumflex femoral a. supply?

• Ascending

• Transverse

• Descending

• Ascending

  • Head & Neck of Femur

  • Anterior area of gluteal region

• Transverse

  • Winds around femur

• Descending

  • connects with transverse branch

  • connects with popliteal artery

  • Cruciate anastomosis around the hip

T or F? The branches of the Lateral Circumflex A. forms a Cruciate anastomosis around the hip?

• note: KASHAPE NYA YUNG CROSS HAHAHAHAHAHAh

TRUE

ascending, transverse & descending

True or false?

The desc. branch of lateral circumflex femoral artery anastomoses with the Popliteal artery via the Superior Lateral Genicular Artery.

True!

The DESCENDING BRANCH!

The perforating arteries are found in the posterior or anterior aspect of the femur?

Posterior! kasi branch sya ng Profunda femoris a.

What arteries supply the:

• adductor magnus ms.

• Hamstring muscles

• Vastus lateralis ms.

Perforating Arteries!

Which artery pierces the lateral intermuscular septum to supply the Vastus Lateralis Ms. found in the Anterior Compartment?

Perforating Arteries

What is the transitional area between the thigh and leg?

Popliteal fossa

What bounds the Popliteal fossa superiorly?

• Supero-medial

• Supero-lateral

• Supero-medial → Semitendinosis ms.

• Supero-lateral → Long head of Biceps femoris ms.

What bounds the Popliteal fossa inferiorly?

• infero-medial

• infero-lateral

• infero-medial

  • medial head of gastrocnemius ms.

• infero-lateral

  • Plantaris ms.

  • Lateral head of gastrocnemius ms.

Where do the Small Saphenous Veins terminate?

Popliteal fossa

Contents of Popliteal fossa?

Popliteal Arteries and Veins

Nerves:

• Tibial Nerve

• Common Fibular nerve

• Posterior Cutaneous Nerve of Thigh

Popliteal lymphatics

The arteries that supply the Knee gets its branches from which 2 arteries?

1. Femoral Artery

2. Popliteal Artery

Blood supply of the Knee:

• From the thigh:

  • - branch from the Lateral Circumflex A.

  • - branch from the Superficial Femoral

  • - artery from the Popliteal Artery

• From the Leg

  • - artery

  • - branches of the tibial artery

Blood supply of the Knee:

• From the thigh:

  • descending branch from the Lateral Circumflex A.

  • descending genicular branch from the Superficial Femoral

  • genicular artery from the Popliteal Artery

• From the Leg

  • Circumflex fibular artery

  • recurrent branches of the tibial artery

What is the Major Blood supply to the Leg and Foot?

Popliteal Artery

What are the branches of the Popliteal Artery

1. Anterior tibial

2. Posterior tibial

3. Sural arteries (both side of popliteus)

4. Nutrient artery of Tibia

T or F? The anterior tibial artery supplies the anterior and lateral portion of the leg.

FALSE.

Only Anterior.

What artery supplies the lateral portion of the leg?

Posterior Tibial artery

Where can the sural arteries be found?

Both sides of the Popliteus.

Which 3 muscles does the Sural artery supply?

Gastrocnemius

Soleus

Plantaris

The nutrient artery of the tibia supplies which muscle in the Leg?

Tibialis Posterior Muscle

Which branches of the Popliteal artery supply the capsule and ligaments of the Knee Joint?

Genicular Branches

The sural branches emerge from which artery?

• Anterior branch

• Posterior branch

• Popliteal artery

Popliteal artery

Which artery provides blood supply to the posterior plantar flexor muscles of the leg and foot?

• superficial group (gastrocnemius, soleus, and plantaris)

• deep group (flexor hallucis longus, flexor digitorum longus, and tibialis posterior)

Posterior Tibial Artery

The posterior tibial artery divides into which 3 major branches?

1. Fibular Artery

2. Circumflex Fibular Artery

3. Continues as posterior tibial too into the Foot

The anterior tibial artery divides into?

1. Anterior medial malleolar a.

2. Anterior lateral malleolar a.

The Fibular Artery is a branch of - tibinal artery, gives rise to which branches?

Fibular → Branch of Posterior Tibial Artery

1. Nutrient artery of Fibula

2. Perforating branch

3. Lateral Calcaneal branch

4. lateral malleolar branch

Which one is the largest Nutrient Artery?

• Nutrient artery of Tibia

• Nutrient artery of Fibula

Tibia

Which supplies the Heel?

1. Nutrient artery of Fibula

2. Perforating branch

3. Lateral Calcaneal branch

4. lateral malleolar branch

Lateral Calcaneal Branch of Fibular Artery

T or F? The Lateral Malleolar Branch of the Fibular artery (from the posterior Tibial artery) anastomoses with the Anterior Medial and Lateral Malleolar Arteries (from the Anterior Tibial Artery)

True!

The circumflex fibular artery passes medially or laterally? around the NECK of the fibula.

laterally

Which artery provides blood supply to the Dorsiflexor or Extensor Compartment of the Leg?

Anterior Tibial artery

The Lateral compartment of the Leg is supplied by branches of the ___ artery which orginates from the — tibial artery.

Fibular Artery

Posterior Tibial Artery

Are there any major arteries that pass through the lateral compartment of the Leg?

NAHHH

The Dorsalis Pedis artery is a direct continuation of which Artery?

Anterior Tibial Artery

The Dorsalis Pedis artery is found between the tendons of the extensor - - and the externsor - -

Extensor Hallucis Longus

Extensor Digitorum Longus

T or F. The dorsalis pedis artery is also a site for arterial blood extraction

True

The Posterior Tibial Artery enters the Foot through the?

Tarsal Tunnel

The tarsal tunnel is found in the medial or lateral side of the ankle?

Medial

TM!

At the Foot, the Posterior Tibial Artery branches into?

1. Lateral Plantar

2. Medial Plantar

Which branch of the Posterior Tibial Artery gives rise to the deep plantar arch!

Lateral Plantar Artery!

Which artery supplies the BIG toe?

Medial Plantar Artery

Which veins in the LL have valves?

Deep veins

What is the one and only Deep vein of the LL?

Femoral Vein

The femoral vein drains into?

External Iliac Vein

The largest vein in the body is?

Femoral Vein

T or F? The Superficial veins of the LLs do not have accompanying arteries.

True!

The Great Saphenous Vein arrises from which side of the dorsal venous arch?

Medial

GREAT = BIG = Big Toe = Medial Side!

The Small saphenous vein arrises from which side of the dorsal venous arch?

The Lateral

Is the Femoral Vein accompanied?

Yea by the Femoral Artery

At the inferior part of the femoral triangle, the femoral vein recieve which veins?

Profunda Femoris Vein

Great Saphenous Vein

What innervates the Lower Limbs?

The Lumbosacral plexus

The Lumbar Plexus is formed the the _ rami of the L - to -.

anterior rami

L1 - 4

T or F? The Lumbar Plexus recieves contribution from T12.

True

Branches of the Lumbar Plexus?

I

I

Get

Lucky

On

Fridays

Iliohypogastric (efg H) una ung H sa I

Ilio inguinal

Genitofemoral

Lateral cutaneous n. of thick

Obturator

Femoral Nerve

T12-L1

Iliohypogastric

Ilioinguinal L

L1-L2

Genitofemoral