When motion capture reports flag “arm late at foot-strike,” it’s easy to zoom in on the snapshot / the isolated data point and assume the solution is rooted in the arm itself. But is that really the cause? The arm’s position at FFS is not an isolated action. It’s the downstream effect of how the pelvis, torso, and spine have collectively sequenced to that point. In short: the arm is at the mercy of the body. @LantzWheeler