http://link.stack.com/527d669b894f7ccd8785c71823w65.5z26/VJrot0mON6DDbP69B7be6

Go to this link for a 10 minute workout from stack this suggestion from them is pretty good. You have to be careful with Internet magazines they mostly want to sound good for the up sell.  Exercise with a push pull superset between antagonistic muscle groups without rest in between sets or throw in some abs as your rest period. This is great to do whenever you are pressed for time. 

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