Far be it from me to get involved in an intraforum squabble about big men's health issues, but from my recall big men and the stress they put on the legs-kness-ankles-feet is pretty well documented.
From Russell's arthtitic knees to Walton to McHale, to Ralph Sampson, Oden, Yao Ming, Andrew Bynum more recently Embiid the stress these guys place on relatively fragile joints, tendons and bones from the pounding they give them seems something to be aware of and not so quickly dismissed.