Medically reviewed by Amy Kwan, PT To do a plank correctly, lie face down with your forearms on the ground, elbows under your shoulders, and legs extended behind you. Make sure to keep a straight ...

No matter your fitness level, you can easily dial up or down your push-ups with the right modifications. Here are 12 push-up ...

If you can't do planks, try the "stir the pot" stability ball plank exercise and watch your core strength and stability transform.

Planks are simple but also easy to mess up. Here's how to do a plank correctly, plus the benefits of planks, muscles worked, and plank variations to try.

The plank is one of the most common core training exercises. Here's how to do planks the right way, and some extra-challenging variations.

Over 40? If you can hold a plank this long with perfect form, your core strength is top-tier. See where you stand.

When it comes to core exercises, the plank is the where it's at. Try these plank variations to modify the exercise or increase the challenge, or simply to spice up your next workout.

This 14-day plank challenge gives you a new exercise variation every day to upgrade your ab workouts in five-minute sessions.

How to do a Spiderman plank, the benefits of Spiderman planks, and what happened when we did 50 a day for a week ...

Take your plank game to the next level with these top plank variations recommended by a trainer for sculpting strong, toned abs. Upgrade your core workout: ...

Plank variations transform classic planks into even more challenging core-busters. Here, find the top 10 plank variations for spicing up your workouts.