Amy Roberts, CPT, personal trainer and fitness writer in New York City. She is certified as a personal trainer by the National Academy of Sports Medicine (NASM), as a group fitness instructor by the American Council on Exercise (ACE) and as a running coach by the USA Track and Field (USATF) and the Road Runners Club of America (RRCA).
When you think about having a toned core, you probably have in mind abdominal muscles—the much coveted and admired “six…
Research shows that daily bouts of jumping not only reverses bone density loss but can improve it.
One of the best things you can do for your body is to carry luggage. Really! We're not talking about…
