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Spondylolysis
Prevalence 3-6% in the general population (Higher in athletes)
Location: L4 (5-15% of cases) & L5 (85-95% of cases)
Population: More likely in the skeletally immature athlete due to the vulnerability of the immature pars interarticularis to repeated stress
Symptoms: Lumbar pain worse with extension
Higher risk sports: Gymnastics, diving, weightlifting, wrestling
Treatment: Bracing and activity modification, physical therapy
- Good results in 80% with conservative management allowing return to play.
- Those who fail benefit from iliac crest bone grafting and posterolateral fusion.
-Return to play is controversial in this group
Please review th images below for anaomy and imaging appearence
http://orthoinfo.aaos.org/figures/A00053F01.jpg
http://www.sonsa.org/images/spondylolysis.jpg
http://www.physio-pedia.com/images/2/22/Spondylolysis_x_ray_.docx.jpg
References
Huang P.et al.Return-to-Play Recommendations After Cervical, Thoracic, and Lumbar Spine Injuries: A Comprehensive Review. Sports Health2016 Jan;8(1):19-25.