Inviting and easy-to-use, the Life Fitness Circuit Series was designed as a great introduction to circuit training, with push-button controls and no set-up adjustments. The Life Fitness Circuit Series Ab Crunch is a simple way to strengthen the midsection. No set-up adjustments and intuitive push-button controls make the ab crunch an inviting introduction into strength training. Incremental resistance adjustments allow exercisers to easily measure their progress, which makes it ideal for group or long-term strength training.

The Life Fitness Circuit Series was designed to eliminate workout intimidation for novice strength equipment users by combining an appealing, low profile, easy-to-use design that requires no set-up adjustments, with consistent and low starting resistance levels that gently introduce users to weight training. The 10 individual strength machines in the Circuit Series utilize the Lifeband Resistance System, which features smaller increment resistance adjustments that are chosen by a push-button control system, and biomechanically correct natural movement patterns. The Circuit Series also includes an abdominal bench for developing abdominal and core strength.

A Life Fitness Circuit Series Push Button Resistance Abdominal Crunch is, and can best be described as follows: An Abdominal Machine is a plate-loaded or selectorized machine designed to strengthen the abdominal muscles of the torso during Strength Training. When using an abdominal machine the user is typically seated with a pad held to the chest and the feet braced, and lifts the loaded or selected weight by flexing the abdominals and pushing the pad toward the knees in a crunching or curling motion.