The most common form of metatarsalgia can be a problem identified as “capsulitis of your metatarsophalangeal joint” (joint connecting toes for the forefoot). Extend before and right after exercising. Often stretching your calves, Achilles tendons, and foot muscles can make improvements to flexibility and decrease stress around the metatarsal location. https://www.theorthopaedicandpainpractice.com/effective-treatments-for-ball-of-foot-pain/