THIGH and FEMORAL TRIANGLE

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THIGH andFEMORAL TRIANGLE
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Femoral Triangle

• Borders
• Medial border of sartorius muscle.
• Medial border of adductor longus muscle.
• Inguinal ligament
• From ASIS to pubic tubercle.

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Femoral Triangle

• Contents (lateral to medial)
• Femoral Nerve (not in femoral sheath)
• Femoral Artery (in femoral sheath)
• Femoral Vein (in femoral sheath)
• Lymphatics (in femoral sheath)

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Femoral Triangle

• Floor
• Iliopsoas muscle.
• Pectineus muscle.
• Adductor longus muscle.

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Femoral Triangle

• Femoral Sheath
• Contents
• Femoral artery and vein
• Lymphatics
• In Femoral Canal

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Anterior Compartment of Thigh

• Cutaneous Innervation
• Femoral cutaneous nerves
• Lateral
• Intermediate
• Medial
• Posterior

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Anterior Compartment of Thigh

• Cribriform fascia and fossa ovalis
• Opening for great saphenous vein
• Empties into femoral vein.
• Drains medial side of dorsal venous arch.
• May be duplicated distal to the knee.
• Has 10 to 20 valves.

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Anterior Compartment of Thigh

• Adductor Canal
• Borders
• Lateral
• Vastus medialis muscle.
• Posterior
• Adductor longus and magnus.
• Anteromedial
• Sartorius muscle.

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Anterior Compartment of Thigh

• Adductor Canal
• Contents
• Saphenous nerve
• Termination of femoral nerve.
• Nerve to vastus medialis.
• Terminal part of obturator nerve.
• Terminal parts of femoral artery and vein.
• Deep lymph vessels.

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Anterior Compartment of Thigh

• Muscles
• Iliopsoas.
• Sartorius.
• Pectineus.
• Quadriceps
• Rectus femoris.
• Vastus lateralis.
• Vastus intermedius.
• Vastus medialis.

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Anterior Compartment of Thigh

• Blood Supply
• Femoral Artery
• Superficial circumflex iliac.
• Superficial epigastric.
• Superficial external pudendal.
• Deep external pudendal.
• Descending genicular.

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Anterior Compartment of Thigh

• Blood Supply
• Femoral Artery
• Deep femoral (profunda femoris)
• Lateral femoral circumflex.
• Medial femoral circumflex.
• Perforating arteries
• Three plus termination of deep femoral.

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Anterior Compartment of Thigh

• Innervation
• Femoral Nerve
• Action
• Hip flexion.
• Rectus femoris.
• Sartorius.
• Knee extension.

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Medial Compartment of Thigh

• Muscles
• Gracilis.
• Adductor longus.
• Adductor brevis.
• Adductor magnus.
• Obturator externus.

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Medial Compartment of Thigh

• Blood Supply
• Obturator artery
• Branch of internal iliac artery.
• Innervation
• Obturator nerve.
• Tibial nerve
• To hamstring portion of adductor magnus.
• Action
• Adduction

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Posterior Compartment of Thigh

• Muscles
• Hamstrings
• Biceps femoris
• Long head.
• Short head.
• Semimembranosus.
• Semitendinosus.
• Adductor Hiatus

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Posterior Compartment of Thigh

• Innervation
• Common peroneal nerve
• To biceps femoris brevis.
• Tibial nerve
• Vascular Supply
• Perforating arteries (from profunda femoris)
• Action
• Hip extension.
• Knee flexion.