Matthew Klein, D.P.T

Matthew Klein is a doctor of physical therapy in practice in Monrovia, California, and the founder of the Doctors of Running sport science and shoe review site.

Everything You Need to Know About Running Shoe Wear Patterns

We asked a doctor of physical therapy what your shoes’ outsoles can—and can’t—tell you.

There’s no evidence that heel striking increases your overall injury risk.

This increasingly prevalent feature can help—or hurt—your running.