Sometimes you don't want to think too hard at the gym. You simply want to get in a quick, effective workout without worrying about keeping track of reps, sets and rests. Just push yourself and be done for the day. This is the workout for those days. It's also a workout that strengthens your core by targeting your chest and shoulders while working your arms and abs. In short, it's an easy exercise that will ensure your shirts fit and look better on you. All you need is a pair of kettlebells or dumbbells and as few as 10 minutes. Here's how to get started.