anyone with advice regarding slipped disc/torn knee ligament

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Hi there everyone.. well as i mentioned in a previous post i have been suffering from a slipped disc for the past 2 years which nerve blocks help to an extent but untill i get surgery later this year i am limited in what i can do.. anyone got any tips who have suffered the same sort of thing? any advice would be much appreciated... i already walk loads.. and i mean loads, but this doesn't seem to be enough... the other issue i have that limits what i can do is a torn LCL ligament.. hurt my knee about 4 months ago and this has not fully recovered yet either.. so again feels like i have hut a brick wall, leaving me rather frustrated... as i mentioned before... have gained 5 stone in the past 2 years with my run of bad luck... but enough is enough... i want my figure back!!!... so please.. anyone with any info please get in touch... or anyone experiencing similar.. please feel free to add me so we can support each other.... thanks :)