Backpaincausesnet

Backpaincausesnet 5 simple hip flexor stretches: its easy to neglect our poor hip flexors often without even knowing it. It turns out just working at a desk all day can really weaken hip flexors since they tend to shorten up while in a seated position. This tightness disrupts good posture and is a common cause of lower back pain. Weakened hip flexors can also increase the risk of foot, ankle, and knee injuries (especially among runners.

Original article and pictures take http://backpaincauses.net/ site