There seems to be a disconnect between real life and exercise. "We do not live in a one-dimensional world," says Samantha Parker, MS, CPT, 500-hour RYT, author of Yoga for Chronic Pain ... WTF?

Try 3D stretches for cardio, which trainers call the best running warmup to prevent injury and log faster, more effective miles. First up is the sagittal plane, which is responsible for all of your ...