Also my son has a colostomy bag and bad spine issues and he sits comfortably in the seat.. (walmart.com)
Before that, it would be recommendable to consult a physiotherapist, who can help you in pinpointing your exact spine issues, and can recommend exercises. (fitnessandpower.com)
I have a lumbar spine issue, it's not severe, but after it I haven't been able to keep up the deadlift. (anymanfitness.com)