d
deborah montgomeryadded this to Running
Got Upper Back Pain? Try the 10-Second Stretch a Biomechanist Swears By

Back Pain

Got Upper Back Pain? Try the 10-Second Stretch a Biomechanist Swears By

RunnersWorld - By Marty Munson

All you need is a chair. We used to move our arms and spines in all kinds of ways—think foraging, hunting, carrying. Today? Our arms mostly hover in front of us as we drive, tap on a keyboard, prep food, and help power us forward when we run. A lifetime of not using our upper bodies well can limit …

View on runnersworld.com