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Organization of the ll, front and medial sides of thigh

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  • 1. Objectives Organization of the lower limb Bony features Front of the thigh Medial side of the thigh Femoral triangle Adductor canal Dr. Dalia Saleh (Anatomy Dept)
  • 2. Overview
  • 3. Organization of the Lower Limb It is connected to the axial skeleton by a sacroiliac joint and its ligaments. ligaments. It is divided into:  The gluteal region  The thigh  The leg  The foot Dr. Dalia Saleh (Anatomy Dept)
  • 4. Organization of the Lower Limb Important landmarks in the lower limb:  The femoral triangle  The popliteal fossa  The posteromedial aspect of the ankle joint Dr. Dalia Saleh (Anatomy Dept)
  • 5. Function Support body weight:  The center of gravity is:  Anterior to the edge of the S2 S2 vertebra in the pelvis  Slightly posterior to the hip joints  Anterior to the knee joint  Anterior to the ankle joint  The ligaments are tight and joints are well supported Dr. Dalia Saleh (Anatomy Dept)
  • 6. Function Locomotion:  Flexion and extension at hip joint  Abduction and adduction at hip joint  Internal and external rotation of the hip joint  Flexion and extension at the knee joint  Plantar flexion and dorsiflexion at the ankle joint  Inversion and eversion at the subtalar joint Dr. Dalia Saleh (Anatomy Dept)
  • 7. Thigh
  • 8. Compartments of the Thigh Femur Skin, superficial fascia and deep fascia Medial intermuscular septum Lateral intermuscular septum Posterior intermuscular septum Anterior compartment Medial compartment Posterior compartment Dr. Dalia Saleh (Anatomy Dept)
  • 9. Boney Features
  • 10. Hip Bone Acetabulum Anterior superior iliac spine Anterior inferior iliac spine Obturator foramen Body of pubic bone Pubic crest Pubic tubercle Superior pubic ramus (pectineal surface) Inferior pubic ramus Dr. Dalia Saleh (Anatomy Dept)
  • 11. Femure Intertrochanteric line Anterior surface of body of femure Greater trochanter Lesser trochanter Intertrochanteric crest Pectineal line Linea aspera Medial surachondylar line Adductor tubercle Dr. Dalia Saleh (Anatomy Dept)
  • 12. Tibia Tibial tuberosity Anterior border (shin of tibia) Medial surface of tibia Dr. Dalia Saleh (Anatomy Dept)
  • 13. Anterior Compartment
  • 14. Anterior Compartment Muscles:  Sartorius  Iliopsoas  Pectineus  Quadriceps Region:  Femoral triangle Contents:  Femoral nerve  Femoral artery  Femoral vein  Femoral LN Dr. Dalia Saleh (Anatomy Dept)
  • 15. Sartorius Strap like muscle. Divides front of thigh into upper medial and lower lateral parts Origin:  ASIS. Insertion:  Upper part of medial surface of tibia. Nerve supply:  Femoral nerve. Action:  Flexes both hip and knee joints. Dr. Dalia Saleh (Anatomy Dept)
  • 16. Iliopsoas Origin:  Iliacus  iliac fossa of hip bone  Psoas major  Transverse processes, bodies, and intervertebral discs (T12 – (T12 L5) Insertion:  Into lesser trochanter of femur. Nerve supply:  Femoral nerve. Action:  Flexes thigh on trunk.  Flexes trunk on thigh (sitting, leaning). Dr. Dalia Saleh (Anatomy Dept)
  • 17. Pectineus Origin:  Superior ramus of pubis Insertion:  Upper end of linea aspera of shaft of femur Nerve supply:  Femoral nerve. Action:  Flexes and adducts thigh at hip joint Dr. Dalia Saleh (Anatomy Dept)
  • 18. Quadriceps – Rectus Femoris Origin:  Straight head  AIIS  Reflected head  ilium just superior to the acetabulum Insertion:  Quadriceps femoris tendon  patella  ligamentum patellae  tibial tuberosity Nerve supply:  Femoral nerve Action:  Flexes the thigh at the hip joint  Extends the leg at the knee joint Dr. Dalia Saleh (Anatomy Dept)
  • 19. Quadriceps – Vasti Origin:  Vastus medialis Upper end and shaft of femur medialis  Vastus lateralis  Upper end and shaft of femur  Vastus intermedius  anterior and lateral surfaces of femur Insertion:  Quadriceps femoris tendon  patella  ligamentum patellae  tibial tuberosity Nerve supply:  Femoral nerve Action:  Extends the leg at the knee joint Dr. Dalia Saleh (Anatomy Dept)
  • 20. Medial Compartment
  • 21. Medial Compartment Muscles:  Pectineus  Adductor longus  Gracilis  Adductor brevis  Adductor magnus  Obturator externus Region:  Adductor canal Contents:  Femoral artery and vein  Saphenous nerve  Nerve to vastus medialis Dr. Dalia Saleh (Anatomy Dept)
  • 22. Gracilis Origin:  Inferior ramus of pubis, ramus of ischium Insertion:  Upper part of medial surface of shaft of tibia Nerve supply:  Obturator nerve Action:  Adducts thigh at hip joint  Flexes leg at knee joint Dr. Dalia Saleh (Anatomy Dept)
  • 23. Adductor Longus Origin:  Body of pubis, medial to pubic tubercle Insertion:  Posterior surface of shaft of femur Nerve supply:  Obturator nerve Action:  Adducts thigh at hip joint  Lateral rotation of the thigh Dr. Dalia Saleh (Anatomy Dept)
  • 24. Adductor Brevis Origin:  Inferior ramus of pubis Insertion:  Posterior surface of shaft of femur Nerve supply:  Obturator nerve Action:  Adducts thigh at hip joint  Lateral rotation of the thigh Dr. Dalia Saleh (Anatomy Dept)
  • 25. Adductor Magnus Origin:  Inferior ramus of pubis, ramus of ischium, ischial ischium, tuberosity Insertion:  Pubic part  Posterior surface of shaft of femur  Ischial part  Adductor tubercle of the femur Nerve supply:  Pubic part  Obturator nerve  Ischial part  Sciatic nerve Action:  Pubic part  Adducts and laterally rotate thigh  Ischial part  Extends hip and flexes knee Dr. Dalia Saleh (Anatomy Dept)
  • 26. Obturator Externus Origin:  Outer surface of obturator membrane and pubic and ischial rami Insertion:  Medial surface of greater trochanter Nerve supply:  Obturator nerve Action:  Laterally rotates thigh Dr. Dalia Saleh (Anatomy Dept)
  • 27. Femoral Triangle Adductor Canal
  • 28. Femoral Triangle Site:  Triangular depressed area  At the upper part of the medial aspect of the thigh Boundaries:  Superiorly: The inguinal ligament  Laterally: The sartorius muscle  Medially: The adductor longus muscle Floor:  Iliopsoas  Pectineus  Adductor longus Dr. Dalia Saleh (Anatomy Dept)
  • 29. Femoral Triangle Contents:  Femoral nerve and its branches  Femoral sheath containing:  Femoral artery and its branches  Femoral vein and its tributaries  Femoral canal  Femoral LN Dr. Dalia Saleh (Anatomy Dept)
  • 30. Adductor Canal Site:  Lies on the medial aspect of the middle third of the thigh beneath the sartorius muscle Boundaries:  Superiorly: the apex of the femoral triangle  Inferiorly: the opening in the adductor magnus  Posteriorly: Posteriorly: The adductor longus and adductor magnus  Laterally: Vastus medialis  Roof: Fascia and sartorius Dr. Dalia Saleh (Anatomy Dept)
  • 31. Adductor Canal Contents:  The terminal part of the femoral artery  The terminal part of the femoral vein  The deep lymph vessels  The saphenous nerve  The nerve to the vastus medialis  The terminal part of the obturator nerve Dr. Dalia Saleh (Anatomy Dept)
  • 32. For more details please go back to any text book Dr Dalia Saleh Dr. Dalia Saleh (Anatomy Dept)