Treating bumble foot on top of leg ??? Please help ASAP!

[Mattsiewrt94]

Is this bumble foot forming on the top of his legs or is it scaly leg mites someone please let me know something so I know what to get!!!

 

[ronkonkoma]

Whatever happened with this?

 

[ChickensRsmart]

Whatever happened with this?

I would like to know too. It doesn't look like the usual place for bumblefoot. And the picture of the back of the foot just looks like chicken poop sticking to the chicken's foot.