i did spinning with both of my foot injuries. The first was my left heel bone...a stress fracture from running. I was on crutches and in a boot but was allowed some weight bearing. I managed to get the boot into the toe straps. my foot was positioned into the boot with a pad under my arch so that very little weight was allowed on the heel. I did not stand on the spin bike. Did all work sitting.

I rode my outdoor bike with the second foot issue. An avulsion fracture to my right second metatarsal. (end of the bone chipped off and wouldn't heal back so it just flopped around in there between my foot and toe) This was only a problem when I bent my foot at the toes. The stiff cycling shoes kept me from doing that. So I walked around in a boot and took it off and cycled.

I did these activities with my doctor's approval.