That is the normal name of that part of the 5th metatarsal. It may be more prominent in some people than others. But since I can not really see this, I can not say for sure. For your peace of mind, I recommend you have a podiatrist or orthopedist check this out.
Posted By Vivian Abrams DPM on June 13, 2005 at 14:12:03:
A layer of gel combined with a foot cover to help protect metatarsals and toes from friction and pressure. It also ideal for cushioning the ball of foot and provides warmth for people suffering from arthritis or poor circulation to the toes.