Forget endless sit-ups and crunches — this trainer's 5-move resistance band routine will fire up your core and build real strength at home

Work your core muscles, improve your posture and boost your stability with this five-move resistance band routine from fitness trainer Cindy Yu.

How Many Sit-Ups Adults Over 55 Should Aim For

Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time ...

No, not sit-ups! All you need is 12 minutes to shred your core and boost stability

Strengthen your abs and obliques with this 12-minute core circuit that you can do anywhere without any equipment bar a yoga mat.

Traditional Crunches Won't Transform Your Lower Abs—But Here's What Does

These are the best lower ab workouts for women to strengthen the deep core muscles and lower stomach. This women's lower ab ...

Your Core Is More Than Just the Abs. 25 Exercises That Target the Entire Core

A strong core is key to performing everyday activities safely and effectively — and it's more than just your abdominals.

Forget sit-ups – this core move builds insane strength and stability

Unlike a crunch or sit-up, where you bend through the spine, the dragon flag keeps your body completely straight and rigid as ...