Degenerative Spine
A 16-year-old gymnast presents with low back pain exacerbated by extension activities. Pain radiates to both buttocks. Examination reveals a palpable step-off at L5, hamstring tightness, and a wide-based gait. Lateral radiograph shows a Grade II anterior slip of L5 on S1 with bilateral pars defects visible on oblique views. Regarding spondylolisthesis:
Mark each as TRUE or FALSE
The Wiltse classification describes five types: Type I (dysplastic - congenital deficiency of superi...
The Meyerding grading system measures the degree of slip: Grade I (0-25%), Grade II (25-50%), Grade ...
Degenerative spondylolisthesis is most common at L5-S1; isthmic spondylolisthesis typically occurs a...
Isthmic spondylolisthesis: most common at L5-S1; bilateral pars defects (spondylolysis) allow anteri...
Treatment: most low-grade (I-II) slips are treated non-operatively (activity modification, physical ...
Answer the questions to see explanations
Click T (True) or F (False) for each option