Subject to combined medical examinations under the study were the 10-16 year-old trainees (n=98) specializing in different sport disciplines and diagnosed with lumbar-sacral pains due to spondylolysis (defect in the pars interarticularis of the vertebral arch) and spondylolisthesis (anterior or posterior slipping or displacement of one vertebra compared to another). It was found that the pain appeared after 3-5 years of active sports at the advanced sport specialization stage. The pains followed by pathologies were generally reported to occur as a result of strenuous physical loads and special lumbar segment overstretching exercises. Such physical practices, when they are long enough, are associated with the growing risks of spondylolysis and spondylolisthesis in the LV vertebra. The authors list the key symptoms of the lumbar spinal disorders. Based on the study data, we recommend that in case of such complaints the coach should refer junior athletes to competent traumatologists and orthopedists. The children diagnosed with the lumbar spinal disorders are recommended to abstain from spine stretching, jumping and standing/ sitting weight training practices or weight carrying practices.
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