Four words: Listen to your body. Do you feel negative pain? Does your body feel out of balance? Are the muscles we’re targeting not engaged? Are you recovering from an injury and not feeling your strongest? Did you just get over a virus and still don’t have your full energy back? These are all signs that the posture is not ideal for your body today. Maybe it felt fine yesterday, and maybe you’ll love it tomorrow. That’s great—but this moment is...

something to keep in mind – most fitness classes are supposed to be difficult and challenging and designed to overload your muscles. If you’re trying to look good or complete every rep to keep up with the other people in the class, it’s going to mess with your form and your mind. Don’t get down on yourself if your stretch, plank, squat or whatever isn’t as strong as someone else; you can do something else in life...