When in doubt planks are an incredible way to get six pack abs without hurting your spine.

My Current Ab Workout Mainly Consists Of Doing Planks For 5 Minutes After My Cardio Workout.
I’ll do 2 minutes of the normal plank…and then 1-2 minutes of the plank on my right side and 1-2 minutes on the left.
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The reason this ab workout is so effective is that it is an isometric contraction.
You Are Teaching Your Abs To Flex Hard When Your Torso Isn’t Bent Forward.
Here’s a solid plank six pack abs video.
What happens is that you train your abs to remain “partially flexed” without having to crunch forward or bend.
This will help your abs “sharpen up” in your normal state of standing or sitting.
Give these exercises a try. Set a timer for 2 minutes and see if you can do that first plank for 2 minutes.
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For 15 years I've helped fashion models get lean for photoshoots. Use my plan to Lose 5-10 pounds of PURE body fat in 14 days.
It is tougher than you think!
Do the recommended exercises 3-4 times a week and as long as you have low body fat, you will have extremely toned six pack abs in no time!
Cheers,
-Rusty Moore
As a former fitness coach to fashion models, I can teach you how to increase muscle definition without adding size.
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