June 25, 2009
After doing a sprint interval workout, my running buddy complained that sprinting often made her low back feel tight. I had a notion that her psoas might be tight. This muscle is a major hip flexor and it attaches to the low spinal vertebrae. When the psoas gets short and tight from activities like sprinting, it can yank on the vertebrae, creating a sensation of tightness. The good news is that stretching out the hip flexors can alleviate a lot of lower back pain. Once you are warm, and especially after a run or sprinting session, you should stretch your psoas.
Learn two ways to stretch your psoas. More…