Runners! Are You Forgetting To Train This Muscle?

Doing this can unlock your ultimate running performance.

Photo by Mikhail Nilov on Pexels

The hip flexors are one of the most underrated and forgotten muscle groups within the human body. This goes for both runners and your average joe. While there’s been an ongoing dialogue that training your hip flexors will only increase the pain and stiffness found in this area, this…