You've probably seen the ads about how toning shoes can give you more shapely legs and a "better butt." But some manufacturers don't stop there, suggesting their products also ease stress on joints and improve circulation. Truth or fiction?
What counts as weight-bearing exercise, the kind recommended to help keep bones strong? It's any sustained activity that you do against the force of gravity, which is essential for maintaining bone mineral density.
Core training is not just about developing six-pack abs. Your core muscles also include your hips, pelvis and lower back. Some research suggests that if your core muscles are weak, you're more likely to injure yourself.