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.