If you study golf's longest drivers over the past 30 years, you'll likely notice many have a long-and-loose action. These players generate power by taking the clubhead away from the ball an extraordinary distance. Here's the catch: To get that huge turn, you have to spend time working on the functionality of the mid-back muscles.

With that in mind, golf-fitness trainer Kaitlyn Pimentel has three exercises you can do virtually anywhere to strengthen your core and help you make a longer, more powerful swing.