Welcome to the UpSwong Ab Lab.  Here we will be divulging info to help you wade through the plethora of routines, guides, pills, and "secrets" out there to get you the mid-section you've always wanted.  Students who arrived late to class can view the UpSwong Abs introduction here. Today's lesson is short but critical: If you want to see your abs, or even just have a nice flat stomach, body fat level is crucial. You can do crunches all day long or the most killer ab routines you can fi...