We need the ability to contract the midline while holding the shoulders down and back. Tightness in the thoracic spine (among other places) can inhibit good posture. We have learned from Kelly Starrett that spending time rolling out on lacrosse balls helps with range of motion issues, pain, and dysfunction. Solving our own issues can save us time and money. Solid mobility practice also gives us a better understanding of our bodies and of better human movement. And all of that leads to better performance which is the ultimate goal.
5 rounds for time
400 meter run
95 pound overhead squat, 15 reps