Revoflex Xtreme Abdominal TrainerDescription: Easy 5 minute Quick workout exerciser Revolutionary wheel exercising Intense, light and effortless abdominal training Get more effective workout with better results in less time Substitute of expensive bulky ab exercisers Different muscles are trained at once with this unique sports equipment Works on Abdominal muscles (upper, middle, bottom, and side) Back Muscles, Arm Muscles, Shoulder Muscles, Thigh Muscles, Glutes