
When going overhead and fatigue sets in, a lot of us tend to unhinge our ribcage and lose core stabilization. Kelly Starrett is head trainer at San Francisco CrossFit, a physical therapist, and all-around CrossFit stud. He’s always writing amazingly interesting posts on the SFCF blog and this one about thoracic-lumbar hinging can be particularly helpful to us all in recognizing an often overlooked fault when going overhead.







