I have 6 damaged vertebrae in my back and use a walking stick, for which I get some odd looks when I get off the bike, I also have a blue badge for parking cos I can't walk very far, but nothing will ever keep me off my bike, I joined the N.A.B.D (National association of bikers with disabilities) they can help if you have a problem using your bike, all sorts of devices available for anyone who refuses to give up biking, some of the guys are ex forces and have adaptions for hand and feet, levers and such, if you find your struggling, join and see what they can do for you. They are a charity so I try to give a donation every year. Good luck with you bike.