Often, it's referred to as metatarsalgia. "Metatarsalgia is a generic term that describes pain or inflammation under the ball of the foot," explains Arianna Gianakos, DO, an orthopedic surgeon ...

Sesamoiditis is inflammation of the tendons surrounding the sesamoid bones. It can cause pain and tenderness in the ball of ...

What Is Foot, Leg, and Ankle Swelling? Foot, leg, and ankle swelling—also known as peripheral edema—refers to an accumulation of fluid in these parts of the body. The buildup of fluid is not ...