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What does doing the abdominal plank do for you?
The Guiness World Record for the plank is said to be 8 hours 1 minute.
Wow!
But what is this exercise good for? What’s the benefit?
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The Guiness World Record for the plank is said to be 8 hours 1 minute.
Wow!
But what is this exercise good for? What’s the benefit?
or