Ow!! That sounds painful just reading it. I'm definitely not a doctor but what do you think about a using a stationary bike? It doesn't involve much upper body movement but is still a good cardio workout. I wouldn't suggest the kind that makes you bend all the way forward though.
I'm with everyone else on the Etsy train! I ordered mine from Etsy seller EllasAlley and I love it. Not too big, not too small
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