The plank has earned its reputation as one of the most effective bodyweight exercises because it challenges far more than your abdominal muscles. A properly executed plank activates the deep core, ...

Improve your posture and build deep core strength.

The key is knowing how to do a plank, however. As good as the exercise is, you have to do it exactly right to reap the benefits. As one of the best core exercises to do at home, the plank can also ...