SA Orthopaedic Journal
On-line version ISSN 2309-8309
KRUGER, NA. Instructional course lecture: Spondylolysis. SA orthop. j. [online]. 2015, vol.14, n.2, pp. 29-34. ISSN 2309-8309. http://dx.doi.org/10.17159/2309-8309.
Spondylolysis is a defect of the pars interarticularis of the vertebral arch. Its cause is often multifactorial but mostly thought to be as a result of a stress fracture. Most fractures occur at L5 (71%-95%) and L4 (5%-23%).1
Keywords : spondylolysis; pars fracture; imaging; management.