Yeah you’ll end up with some muscle imbalance. I couldn’t walk for about 3 months after shattering my ankle and when they finally took the cast off, my leg was super atrophied and one of my shoulders was all fucked up from 3 months of having to compensate for half my lower body not working. The good news is all that shit is temporary, as long as you do your PT, and then focus on fitness after you’ve recovered enough. Ask the physical therapist, or the surgeon what mobility aids to use, they’ll know. Also make sure to get the handicapped placard, you’ll need it for awhile.