Which runners need a fracture walking boot for plantar fasciitis?

The reality is, there are only two kinds of runners that I think really need a fracture walking boot for plantar fasciitis. The runners who don't mind losing all their running fitness and the other group of runners who really need a fracture walking boot for plantar fasciitis are those that basically assume they have the wrong diagnosis. Which kind of runners really do need a fracture walking boot for plantar fasciitis? Is it somebody with mild plantar fasciitis? Moderate plantar fasciitis? Severe plantar fasciitis? And that's what we're talking about today on the Doc On The Run podcast.