The article begins with a brief biography of H. Bohlman, a great orthopedist and person with strong impact on modern Medicine and Spine surgery. Using original Bohlamn technique with small modifications (instead of fibula graft used Rialto implant and performed posterior fixation L4-S2) we treated surgically two young females with L5 listhesis with success. Methods: Both patients were followed up during 1 year and 9 months and 1 year and 7 months. Results: Two young females of 18 years old with isthmic listhesis L5 were submitted to fixation L4-S2 and transsacral, transdical fusion with Rialto implant by Bohlman technique with partial reduction of listhesis. Both had resolution of the pain and have maintained a good clinical outcome at 1 year and 9 months and another one at 1 year and 7 months follow up.

Isthmic spondylolisthesis is a condition characterized by the subluxation of one vertebral body over the adjacent inferior vertebral body, secondary to a defect in the pars interarticularis. This paper reports two cases of young acrobatic gymnasts who presented with long-term, progressive lumbosciatic pain and lower limb dysesthesia. One gymnast presented with additional neurogenic bladder dysfunction. Diagnostic testing revealed L5-S1 spondylolisthesis due to bilateral isthmic lysis in both gymnasts. Both underwent L4-S2 fixation followed by L5-S1 transdiscal arthrodesis with Rialto sacroiliac fusion system (Medtronic ® , Minneapolis, MN, USA). Favorable evolution of neuromotor symptoms was observed after rehabilitation, with less residual neurological impairment in the case of higher-grade spondylolisthesis. This case series aims to emphasize the importance of recognizing this pathology in athletes as well as its correct management. Early surgical intervention can prevent the onset and progression of neurological deficits.

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