Abstract Background Lumbar spondylolisthesis is reported to present with a familiar pattern. with the dysplastic type of spondylolysis being minor but more hereditary than the isthmic type. Siblings presenting during adolescence with neurological symptoms owing to high-grade dysplastic-type spondylolisthesis are rare. Case presentation The older brother suffered from left leg pain and... https://www.fitnessgravesyardes.shop/product-category/timing-belt/