Spinal degeneration is a progressive disease, meaning it gets worse over time. As degeneration occurs, minor trauma or unusual activity can produce back pain, causing muscle pain and spasms.
Bones can also lose their density and develop osteopenia or osteoporosis. They can be more likely to fracture or break with trauma.
Check out this informative article on Spinal Degeneration: https://stanfordhealthcare.org/medical-conditions/back-neck-and-spine/degenerative-spine-disease.html