Work the back, triceps, and shoulders using weights. Be sure to activate your core! By working off our knees you'll be able to stabilize throughout your body, insuring you hit the exact muscles we are looking to target.
This 10 minute ab videos is the perfect focused video if you really want to target the core with no equipment. With the support of the floor beneath you, you can isolate and sculpt your tummy. Look out for those washboard abs to follow!