[youtube=http://www.youtube.com/watch?v=jHOZ8HBCgrM] At light weights, Sumo Deadlift High Pulls are a great substitute for rowing. At heavier loads they still pack a metabolic conditioning whallop, and intensely work the posterior chain and shoulder girdle. As befits a CrossFit staple exercise they are a core-to-extremity movement that allow the athlete to quickly and safely move large loads over long distances.