A push or a pull is a force. Forces can make things move, change their speed, or change their shape. We cannot see a force but we can see its effects. Look at this toy car. It isn’t going anywhere.

Barbell Push Press x 6 sets of 5 reps (final set max ... Attach a weight to yourself and grasp a pull-up bar with an overhand grip, hands shoulder-width apart. Pull yourself up, thinking of ...