Recovery from a Broken Ankle, trying to get back in shape

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I broke my ankle in July and was in a cast (non weight bearing) for 8 weeks. Now Im off the cast and working hard to get back into shape. But it is soooooooo painful. Im doing about 5 mins on the elliptical and 15 on a recumbent bike. And about 45 mins of weights. Just wondering if anyone else out there has had to recover from this and what your experiences were. Broke my Tibia and Fibula but didnt have surgery because I was on a cruise when I broke it and it was a week before I was able to get to my Dr in the US so by then it was borderline and the Dr decided that it would be better to cast and no surgery.