There are numerous causes to experience pain within the ball of the feet. A less common cause is a disorder known as Freiberg’s disease or infarction. This is a condition where the end of a metatarsal bone that is located at the base of the toes within the front foot results in being weaker and suffers from small fractures. https://therunninginjury.com/my-advice-for-freibergs-disease/148/