Lower limb joints

• Legge-Calve-Perthes Disease

  • idiopathic osteonecrosis of capital femoral epiphysis
  • idiopathic avascular necrosis of femoral head
  • common between 5-10 years
  • first symptom is limp and/or pain
  • shortening of leg
  • osteoarthritis develops later
  • more common in males than females
  • one leg starts and other follows
  • limited range of motion
• Fractured neck of femur

  • proximal femur - no movement
  • distal femur
  • pulled proximally (quadriceps and hamstrings)
  • pulled laterally (lateral rotators and gluteus maximus)
• Fractured mid-shaft femur

  • proximal femur - generally neutral
  • distal femur
  • pulled proximally (quadriceps and hamstrings)
  • posteriorly (gastrocnemius)