The plank, that trusty isometric exercise that's been a staple in countless ab routines, has long been the undisputed queen ...

Add time as you get stronger and more confident. You could also mix some Swiss ball planks and work between moving and static exercises as part of a core-strengthening superset.

One of the best ways to strengthen your core is with plank exercises. Many experts now recommend planking rather than crunches or situps, since planks put less strain on your spine and hip flexors.

The plank exercise is an old-school isometric core exercise that originated with yoga practices and has since been a standard ...

Lastly, choose compound bodyweight moves that engage your arms and surrounding muscle groups. The biceps and triceps don’t ...

Strengthening and stretching exercises for the lower back can help stabilize the lower spine and support the upper body. Examples include the plank and knee-to-chest stretches. Stretching the back ...

but the joints stay static. A prime example of an isometric exercise is holding your body in a plank position. While holding a plank position targets multiple muscle groups and strengthens your ...

Why: You'll feel like a superhero after this exercise. This move forces your entire core to get to work once you extend your arm, challenging your balance. Start off in a forearm plank position.