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Antaerior & medial compartment

of thigh ,femoral triangle and

adductor canal

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Anterior compartment

(Extensor compartment)

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Muscles of the Anterior Thigh

Sartorius

Vastus

lateralis

Rectus

femoris

Vastusmedialis

Vastus

intermedius

Patella (sesamoid)

Patellar tendon (lig.)

p

AL

G

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Quadriceps femoris muscles:

1. Rectus femoris.

2. Vastus medialis.

3. Vastus lateralis.4. Vastus intermedius.

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Femoral triangle

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Boundaries of the

Femoral Triangle

Superior- Inguinal ligament

Medial - Adductor longus m.(medial

border)

Lateral - Sartorius m.(medial border)

Roof - Fascia

Floor - iliopsoas, pectineus,adductor longus muscles

iliopsoas

pectineus

adductor longus

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Superficial Vessels of the FemoralTriangle

Sup. circumflex

iliac

Sup. epigastric

Sup. & deep

external pudendal

Great saphenous vein

Subsartorial canal

(adductor canal)

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The saphenous opening

Is a gap in the deep fascia in the

front of the thigh just below theinguinal ligament. It transmits thegreat saphenous vein, some smallbranches of the femoral artery,

and lymph vessels.

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Femoral hernia

The hernial sac descends through thefemoral canal within the femoral sheath.

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Review

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Contents of the Anterior compartment

Muscles: Sartorius, iliacus, psoas,pectineus, and quadriceps femoris

Blood supply: Femoral artery

Nerve supply: Femoral nerve

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Adductor canal

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Femoral a.& v.

N. to vastus medialis

Saphenous n.

Contents of Adductor Canal

Sartorius(cut)

S(medial)

VM

(lateral) AL(posterior)

cx

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Medial compartment

(adductor compartment)

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Obturator n. (L2,3,4)Obturator externus

Adductor longus

Adductor brevis

Adductor hiatus

Gracilis

Adductor magnus(horizontal part)

Adductor magnus(vertical part)

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Review

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Contents of the Medial compartment

Muscles: Gracilis, adductor longus, adductorbrevis, adductor magnus, and obturator

externus

Blood supply: Profunda femoris artery andobturator artery

Nerve supply: Obturator nerve

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Femoral n (L2,3,4)

Saphenous n (cutaneous)(branch of femoral nerve)

Obturator n (L2,3,4)

Nerve supply of anterior & medial compartment

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Innervation of the Compartments of the Thigh

Anterior

Medial

Posterior

& gluteal

Femoral

Sciatic

obturator

Pectineus(femoral & obturator N)

Adductor

Magnus

adductor portion

(obturator N.)

vertical portion

(tibial N.)biceps short and long head

S fi i l i t i

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Femoral a

Perforating

branches of

deep femoral

Descending

genicular a

Descending branch of

lat femoral circumflex a

profuda femoris a

Adductor hiatus

Popliteal a

S & D external pudendal

Superficial epigastric a

Superficial circumflex iliac a

Blood supply

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