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THIGH and FEMORAL TRIANGLE Femoral Triangle Borders: Medial border of sartorius muscle. Medial border of adductor longus muscle. Inguinal ligament: From ASIS to pubic tubercle. 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) Femoral Triangle Floor: Iliopsoas muscle. Pectineus muscle. Adductor longus muscle. Femoral Triangle Femoral Sheath: Contents: Femoral artery and vein Lymphatics: In Femoral Canal Anterior Compartment of Thigh Cutaneous Innervation: Femoral cutaneous nerves: Lateral Intermediate Medial Posterior 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. Anterior Compartment of Thigh Adductor Canal: Borders: Lateral: Vastus medialis muscle. Posterior: Adductor longus and magnus. Anteromedial: Sartorius muscle. 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. Anterior Compartment of Thigh Muscles: Iliopsoas. Sartorius. Pectineus. Quadriceps: Rectus femoris. Vastus lateralis. Vastus intermedius. Vastus medialis. Anterior Compartment of Thigh Blood Supply: Femoral Artery: Superficial circumflex iliac. Superficial epigastric. Superficial external pudendal. Deep external pudendal. Descending genicular. 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. Anterior Compartment of Thigh Innervation: Femoral Nerve: Action: Hip flexion. Rectus femoris. Sartorius. Knee extension. Medial Compartment of Thigh Muscles: Gracilis. Adductor longus. Adductor brevis. Adductor magnus. Obturator externus. 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 Posterior Compartment of Thigh Muscles: Hamstrings: Biceps femoris: Long head. Short head. Semimembranosus. Semitendinosus. Adductor Hiatus 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.