Strauss Ab Exerciser with 6 Levels Resistance Defines upper, middle, lower and oblique abs Assisted bidirectional power technology Flexible sliding wheels on the sides with sponge coated handles for better grip and comfort. Develops your chest, back, arms, shoulders and abs in one movement. ABS Exerciser is ideal for abs, chest, back, arms, shoulders, thighs and glutes. Powerful Ab Workout,Easy to workout in Office, Park, Home, Outdoor. Offers upto 6 different levels of training, 44 different exercises.