How safe is a nuclear stress test with passed weak kidney function, but normal now
1 Common causes of heel pain include obesity, ill-fitting shoes, running and jumping on hard surfaces, abnormal walking style, injuries and certain diseases.  Plantar fasciitis is inflammation of the ligament that runs the length of the foot, commonly caused by overstretching.
In general, the cause of the pain is not the heel spur itself but the soft-tissue injury associated with it. Many people describe the pain of heel spurs and plantar fasciitis as a knife or pin sticking into the bottom of their feet when they first stand up in the morning -- a pain that later turns into a dull ache.