Collateral ligament injury summary

• Collateral ligament injury - Mechanism:

  • Medial: contact or non-contact valgus
  • Lateral: usually contact varus stress
• Collateral ligament injury - Diagnosis:

  • Localised pain +/- swelling
  • Pain +/- laxity on stress tests
  • Ultrasound or MRI to confirm
• Collateral ligament injury - Management:

  • Usually conservative with early immobilisation to limit valgus/varus if significant instability