House said the key to keeping a quarterback healthy and mechanicallysound is to keep the oft-ignored decelerating muscles, generally called the rotator cuff, stronger.
Worse, now that their bad technique still produced good shots, poor players had less incentive to put in the hard work needed to groove mechanicallysound, pressure-proof and ultimately satisfying swings.
With no speakers and no microphones, the sound is produced mechanically by hitting parts of the building, causing the girders to vibrate, or blowing air through pipes.