This eight minute video features a quick abdominal workout and is pretty good. There are a lot of basic moves, but who ever said basic didn't work? The guy's outfit is a little odd but his body is worth the watch.  Learn to target your rectus abdominus, your obliques and transverse abdominal muscles with this quick abdominal workout. You will need a good fitness mat for practicing any sort of supine exercises to cushion your back and torso.