Experts share the best trap exercises to look cut, prevent injuries in and out of the gym, and improve your posture.

A new wave of research is showing what the old gym myths about stretching got wrong—and what you really need to do to reap its benefits.

Professional sprinters sometimes spend an hour warming up for a race that lasts about 10 seconds. In fact, it’s common for many athletes to perform dynamic stretches in their warmup and static ...