Ab roller targets abdominals with just one easy action! Isolate those hard to train
abdominals with a patented rocking action. Crunch movement isolates and tones
your abs! Cushioned headrest helps reduce stress on neck.

You can perform oblique lifts and complete crunches to effectively targets your abs,
and the cushioned headrest helps reduce stress on your neck.

The sit-up is one of the most revered workouts, as far as exercise routines go, and for good reason: it trims the fat away from your abdominal area, and generally makes your midsection more elegant to look at if not sexy. Unfortunately, as with most hardcore exercises, the sit-up is one of the most devastating workouts for your back. The more sit-ups you perform, the worse off your spine is, since the action goes against the spines natural flow of movement.