<qa>  What is the name of the group that will be allocated to patients?The investigators are evaluating how patient positioning affects radiologic metrics as well as surgeon satisfaction surgeon being blinded to positioning. Patients will be allocated to either a hyperlordotic or a standard positioning group by computer generated randomization. Surgeons will perform all of their standard techniques to promote lordosis with instrumentation. Adult patients, ages 18-65, undergoing lumbar surgical fusion will be asked to participate. 