Easy 3-Move Abs Workout
The Only Do-Anywhere, 3-Move Abs Workout You'll Ever Need
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The plank may be the perfect exercise because of the sheer number of muscles that it engages all at once. That's why you'll see them happening almost every time you walk into your gym. You'll get much more out of a plank than just an abs workout, but since we are discussing abs, the plank primarily works your rectus abdominis (your superficial abs — those that you show off) and your transverse abdominis (deep internal abs — or the "internal girdle," as Chadwell likes to call it).
When you work the rectus abdominis, you are developing the coveted six-pack. When you work the transverse abdominis, you are strengthening your abs at the deepest level. This is important for keeping your midsection muscles sucked in tight toward your spine. If you've had children, the plank should be in your ab arsenal for this very reason.
How to Do Plank: