A Cybex Abdominal Machine 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 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.