IF YOU ARE focused on building a strong, functional core, you need to know what muscles you're working so hard to sculpt. There are the six-pack muscles (the rectus abdominis) trained with spinal ...

For on-demand core workouts — plus fitness challenges, meal plans and inspiration — download the Start TODAY app! When we think of core exercises, standard moves like situps and crunches are often a ...

If you want a stronger core you need to do more than sit-ups. Here are 3 oblique workouts that will build and strengthen your ...

To get chiseled abs, you have to target your abdominal muscles at the front and fire up your obliques on the sides of your core. Oblique crunches are a simple yet effective exercise to add to your ...