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 ...

When we think of core exercises, standard moves like situps and crunches are often a go-to. But working the side body is an important piece of a well-rounded core routine that is sometimes overlooked.

Get ready to twist and shout.

If you're only working those front ‘six-pack’ ab muscles — aka your rectus abdominis — you’re missing out on strengthening your entire core. We’re all guilty of training the front of the body, but ...

Your core is more than just a six-pack; it’s a cylinder comprised of muscles that wrap around your entire torso. So while crunches might prepare you for the beach, that exercise won’t necessarily help ...

"Obliques are a part of your core group of muscles," explains Danyele Wilson, Lead Trainer for Tone & Sculp app. "You actually have two sets of oblique muscles: internal obliques, which run down ...