One week ago I fell and broke my tibia Yesterday the soft cast was removed and i was given a back slab with tensor and a boot. As soon as the soft cast was removed i experienced significant pain and cramping in my calf. I am obese and my dad and paternal grandma both had dvt. I am concerned i may be at risk? I am contiuing continuing get calf cramps any time i lower my leg and have kept haven't back slab cast on