I have 2 herniated discs in my lower back no chance of surgery yet too young and have not exhausted all avenues of pain relief yet so at the moment I take strong meds Morphine and codeine and diazepam for the spasms, I also have a regular epidural injections under xray to the affected area I have trouble sitting and standing for any length of time I tried all chairs stools etc in the end got fed up with trying and them not working so made my own to suit my size height etc out of stud frame timber I now use that and stand sit as I feel comfortable to do then go walkabouts when it hurts too much but it has allowed me to carry on tinkering, at the moment I have my saw flat on the bench no angle I found this worked better for me for some reason at an angle it hurt more may of been the neck position looking down onto saw or something not sure but it is easier for me to have saw flat others find it easier angled but here is my chair I know it looks like Jack and the beanstalk giants chair but it is made to my exact height no struggling getting on or off and a great high back I also now have cushions pinned to the seat and back, I have yet to get her indoors to let me bring it in the house The main thing is to use something whether bought or made to keep you in the shop now and then as there is no better medicine than being in the shop no pill will ever be as good as making something with your hands and mind that is the best therapy for any ailment in my view so whatever you need to do to get there do that