Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...

A strong core is about more than just six-pack bragging rights — it’s the foundation of your strength and overall well-being. But you don't need to torture yourself with endless crunches. Instead, ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Side planks trains your ...