BackgroundThe fixation-induced biomechanical deterioration will increase the risk of adjacent segment diseases (ASD) after lumbar interbody fusion with Bilateral pedicle screw (BPS) fixation. The accurate adjustment of insertional pedicle screw positions is possible. and published studies have reported its mechanical effects. However. https://poolsproductscanadas.shop/product-category/pentair-lil-shark-parts/