abdominal crunch

The only TRUE abdominal crunch machine!

Combination of upper and lower movement arms bring back the original Nautilus abdominal crunch (the 'clamshell') with modern-day technology

Four-bar linkage on upper movement arm provides a moving axis of rotation around the thoracic region of the spine for ultimate user feel

Select weight with the simple turn of the aluminum dial

Turning the dial engages 'hook' mechanism to select desired weight