This foot pain diagram looks at the common causes of pain under the foot and at the back of the heel. A. Heel Spurs A bone spur here is called an inferior calcaneal bone spur and is usually linked with a tight plantar fascia. Causes a sharp pain under the foot that is worse with initial movement then eases to a dull ache. Learn More > B. Plantar Fasciitis Tightness and repetitive strain can …
