Umbro ED-26883: Ab Trainer and Crunch Roller ExerciserThis ab Trainer helps you selectively train your abdominal muscles, while stimulating your metabolism and activating fat burning. Your back is optimally protected through the gentle movement, therefore the fitness Trainer is supremely suitable for everyone. The Ab Trainer offers various training options - you can thus fully train upper, lower, and side abdominal musclesSturdy, ergonomic design will help eliminate back and neck strain often associated with crunches. This easy-to-use Ab Exerciser is the ultimate tool to tone and sculpt your core muscles. Helps you selectively train your abdominal muscles, while stimulating your metabolism and activating fat burning. The Ab Trainer is different. While its target area is the core, you still depend on natural motion and movement to get an advantage. Ab machines usually are designed for working the core muscles.Features: Ultimate tool to tone and sculpt your core muscles. Helps you selectively train your abdominal muscles, while stimulating your metabolism and activating fat burning. Ab machines usually are designed for working the core muscles. The Ab Trainer depend on natural motion and movement to get an advantage. Your back is optimally protected through the gentle movement The fitness trainer is supremely suitable for everyone. The ab trainer offers various training options - you can thus fully train upper, lower, and side abdominal muscles. Sturdy, ergonomic design will help eliminate back and neck strain often associated with crunches Foam handle for easy and comfortable grip. The Ab trainer fits most size people. Foam head protection for safety.