How to do mountain climbers: Get into a high-plank position with your wrists directly under your shoulders. Keep your core tight, drawing your belly button in toward your spine. Drive your right knee ...
Keep your core braced the entire time. If your hips sag at any point during the exercise, your form has been broken. When this happens, consider that your last repetition and end the set. ...
Here, we dive deeper into the benefits of strength training for runners, how to add it to your training plan, and offer up a workout including 10 essential exercises, which you can do with Jess ...