VIDEO
Set up in a plank position on the elbows with your feet on sliders. Don't sag.
From here, it works like a reverse ab rollout. Pull your body back and forward.
If you catch yourself sagging, you've gone back too far for your abilities.
Not only is the body saw a great core exercise, it can also train the serratus, an important scapular stabilizer. Just add a band around your wrists.
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You may know the name of a particular exercise, but do you know what the agonists in the movement are? How about the synergists? Hrrummpph! And you call yourself a weightlifter!
To get bigger and stronger, you may need to kick off the shoes and start from the ground up.
How to Maximize Efficiency in the Gym
Combine these two methods for fast muscle growth. Here's how.