Squat fly Grab the stirrups and squat down, allowing the TRX to take your weight (A). Drive up, spreading your arms as you rise to target your shoulders (B). Drawing your arms apart hits your rear delts, making this a full-body move.
Low Row - Lie under the TRX and grab hold of the handles (A). Raise your body, drawing your shoulders back to focus the work on your lats for that V-shape (B). The Charlie Sheen levels of instability make this move a great back builder.
Lunge Place your left foot into the stirrups and drop into a lunge (A). Squeeze your glutes and drive your body up, raising your left knee up to hip height (B). It’s a tough move, but bigger glutes will improve your running and posture