Plank Up-Down

Step by step instructions

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Exercise Steps 1

Step

Get in a plank position with hands and feet shoulder-width apart and abs engaged.

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Exercise Steps 2

Step

Quickly bend left arm and lower down onto left forearm. Repeat with right arm. Immediately place left hand under shoulder and straighten left arm, pressing body up. Repeat with right arm to return to plank position. Continue, repeating entire move.