Suggest Treatment For Posterior Bulge At L3 And L4

posterior bulge at L3 L4CAUSING FLATTENING OF POSTERIOR DISC COUNTOURand slight narrowing of bilateral lateral recess ....with posterocentral herniation at L4 L5 level compressing thecal sac and bilateral descending L5 nerve root with ligamentum flavum hypertrophy and secondary canal stenosis.what should be the correct exercises for this condition...