Why the kettlebell swing? If you were looking for a single exercise to care for the human frame you’d probably look for an exercise that helped us regain our posture from one of sitting hunched over to one that was upright, extended, and open. You’d probably also look for an exercise that worked the posterior chain to overcome all the negative effects of sitting and, if you could find one exercise that could do both of those, you’d probably also wonder if you could find one s