Lift your knees off the ground. Squeeze your legs together for maximal ... Of course, those totally new to plank exercises ...

Lift one leg and pull your knee toward the opposite elbow. Push your leg back to the starting plank position. Be sure to keep your abs and glutes tight throughout the exercise. Continue ...

A well-rounded ab workout will strengthen your core, tone your midsection and help prevent and reduce back pain.

Mountain climbers are a full-body exercise that combines cardio and core engagement. And since it's a high-intensity exercise ...

Crunches have had their moment, but it's time to take your core training to the next level. Your abs aren't just show muscles ...

The plank exercise is an old-school isometric core ... Keep your elbows bent at 90 degrees and your knees fully extended. Perform a "bracing maneuver" by contracting your ab muscles while holding ...

Squat jumps are great to include in a cardio workout as they use an explosive spring-like mechanism called the ...

Start in a plank position ... Modification: March your knees up toward the chest, eliminating the hop. Plyometric moves are a type of cardio exercise that uses the speed and force of different ...