Most gyms have an elliptical machine, otherwise known as a cross trainer. And chances are, someone's on it—and using it incorrectly. Sounds good, right? Ahead, fitness experts weigh in on everything ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Most gyms have an elliptical machine. And chances are, someone's on it—and ...

We tend to think of cross-training as the ugly stepchild to our preferred sport or what runners are forced to succumb to when injured. But as the winter months approach and many look to bring their ...