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ACL Presentation: How to Reduce the Risk of Primary & Secondary Injuries


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In my online presentation, I review the recent literature on reducing the risk of primary and secondary ACL injuries; specifically criteria-driven rehab and return to sport testing, and the added benefit of increased physical performance via injury prevention programs.

Published in: Health & Medicine
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ACL Presentation: How to Reduce the Risk of Primary & Secondary Injuries

  1. 1. How can we reduce the risk of primary and secondary ACL injury? A review of recent literature By Mick Hughes (Grad. Cert. Sports Physio, B. Physio, B. Ex. Sci.)
  2. 2. Overview • ACL mechanism of injury • ACL Pathophysiology • Pre-op ACL rehab • Post-op ACL rehab • 2nd ACL injuries • Neuromuscular training programs
  3. 3. Mechanisms of Injury – Non-Contact
  4. 4. Mechanism of Injury – Indirect Contact
  5. 5. Mechanism of Injury - Contact
  6. 6. Pathophysiology Of ACL Injury • Typical: Valgus stress (landing, cutting, lateral contact) – Non-contact ACL injuries occur within 30–50 m/sec from initial contact of the foot onto the ground during sports movements • Atypical: Hyperextension mechanism of injury • “Pop” or “crack” • Immediate pain – most likely unable to play on • Swelling within 2 hours (haemathrosis) • Instability • Can also injure MCL and medial meniscus – “Angry Triad” • Cartilage defect and bone bruising  Slow rehab
  7. 7. ACL – Who is Most at Risk?
  8. 8. ACL Injury – The Most Common • Female athletes are 2-8x more likely to sustain ACL injury than males (Hilibrand et al., 2015) • Peak incidence F: 14-18yrs, M: 19-25 yrs (Sanders et al., 2016) • Non-contact injuries: 70-85% of all ACL tears (Walden et al., 2015)
  9. 9. ACL on MRI
  10. 10. ACL Presentation • To access the full 80min presentation and recording, head over to and click on ACL LECTURE. • Follow the 3 simple steps to access, and ENJOY!! • I hope you enjoy the content presented and learn something valuable to help your ACL patient outcomes.