by Elizabeth Hofheinz, M.P.H., M.Ed. For the degenerating spine, lateral retroperitoneal lumbar interbody fusion (LLIF) using percutaneous pedicle screw fixation can be quite successful. However, say a team of researchers from Kyoto, Japan, the exact mechanisms that determine segmental lordosis remain unclear. Their new retrospective study, “Analysis of the Factors Affecting Lumbar Segmental Lordosis After …