Bob Harper: Beginner's Weight Loss Transformation - 2 10-Minute Beginner Abs (2011)
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                                Get in, and get out, with this hard-driving abdominal workout.  Challenge your endurance and range of motion with an expedited variety of ab-shredding maneuvers to sharpen your core and benefit your entire body.
                                
                            
                        
                             
                              
                            
                            
                        