Here is a good workout that can be done in about 30 minutes and best of all it requires no weights or equipment. All that is needed is your own body and determination. This is for those of you that have a busy work schedule that might want to sneak in a quick workout during a break at work.
30 - Jumping Jacks
25 - Prisoner squats (hands behind the head, NOT interlaced)
20 - Push ups
20 - Jumping lunges
30 - Crunches
20 - Straight Leg Lifts (Lying on back, Lift legs up as straight as possible till body forms a "V")
Repeat four times!
P.S. For an added challenge record your time and try to beat it!