A strong, athletic core comes from properly using your ab muscles and pelvic floor to stabilize during exercise, not from tons of crunches or sit-ups.

"Engage your core" is a common exercise cue meant to encourage support of your spine and contraction of your trunk muscles. This article explains how to engage your core, what the core muscles are ...

The typical cues for bracing and tightening may not come into play on the run, but core work outside of your running shoes is crucial to performance.

You probably know that strengthening your core is important, but do you know how to activate your core properly? Find out.

Your core muscles are more than your abs. When trainers refer to the core, they're talking about a whole system of muscles that support the spine and pelvis.

What is your core, and what does it mean to engage it? Learn from Pilates experts about core anatomy, how to engage your core, and why you should.

Worthington explained to Insider both how to activate your core muscles properly, and also how to train them, working across three planes of movement.

If your abs are sore after running, this is likely because you've just exercised your core. Other factors could include a strain, inflammation, or dehydration.

Wondering "what muscles do push-ups work?" Learn how variations in both form and tempo can change the effects of push-ups on the body.

Some ab separation during pregnancy is inevitable, but doing safe ab exercises to prevent diastasis recti can help you stay strong and relieve low back pain.