An inflamed or restricted Achilles tendon can adjust how pressure is distributed all through your foot and can result in elevated force and pain inside the ball in the foot. Read more about Achilles' accidents here. Very same goes for far too-tight footwear, which cramps and brings about stressful rubbing https://www.theorthopaedicandpainpractice.com/effective-treatments-for-ball-of-foot-pain/