L3/4 L4/5 disc bulges & facet joint deg L5/S1 indent spinal cord, disc contact nerve root lateral recess & facet joint deg Can body twist worsen this?

Clarification. Sounds like you possess lumbar spondylosis and degenerative disc disease, and indeed there may be some degree of lumbar root compression. (Spinal cord ends at L-1,2 and there is no effect on cord). Learn McKenzie exercise protocol, do it multiple times weekly, be cautious with heavy lifting, work with a good physical therapist, and learn proper body mechanics.