In this video learn how to increase hip flexor strength, an important component in getting faster and staying healthy. By strengthening the deep hip flexor muscle known as the psoas you can increase stride length and reduce injury.

In this video learn how to increase hip flexor strength, an important component in getting faster and staying healthy. By strengthening the deep hip flexor muscle known as the psoas you can increase stride length and reduce injury.

Original article and pictures take https://running.competitor.com site