"The One Perfect Exercise You Must Do At Your Desk"

If you feel like a slouch because you're always hunched over, straighten up, with this simple exercise called the serratus shrug. It works a muscle called the serratus anterior, which runs along your rib cage under your arm pit. When this muscles is weak--as it is in most guys--it causes your shoulder blades to tilt forward and down. This results in "rounded shoulders," giving you a permanent slump. But you strengthen your serratus anterior quickly and easily--in front your TV or even at your office. And all you need is a chair.


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Courtesy of : http://www.menshealth.com