Bad Knees More Condition_symptoms What Is The Best Machine To Use To Work Out When You Have A Bad Back And Knees?

What is the best machine to use to Work Out when you have a bad back and knees? - bad knees more condition_symptoms

I have a retail disc onto his back and dropped two bad knees from a previous injury. I need to lose weight, heal my back, but I'm having trouble finding work more movies because of my knees and back.

What are your suggestions? I also know from experience, if available. Please be as detailed as possible, because I am awarding best answer!