Standard 250 lbs (125 kg) patented dial weight selection technology, with a 5 lbs (2.Four-bar linkage on upper movement arm provides a moving axis of rotation around the thoracic region of the spine for ultimate user feel Abdominal Crunch MDC-1008 Anatomically correct cam for proper muscle resistance Precision bearings for smooth operation Arm and elbow pads promote great ab.Combination of upper and lower movement arms reinvents the original Nautilus ® Abdominal Crunch (the 'clamshell') with modern-day technology.Crunch machines usually use extra resistance in the form of selectorized weight stacks or plate. On some machines, the knees also curl up toward the torso. It involves sitting upright in the machine and curling the torso down against a pre-set level of resistance. For a unique, safe and effective strength training experience, there is only ONE choice that will ensure your facility stands out from your competition. The machine crunch is a machine-based exercise targeting the abdominal muscles. : Abdominal Crunch Machine 1-48 of 602 results for 'abdominal crunch machine' Results Price and other details may vary based on product size and color. Our unique 4-bar linkage and specialized cam design provides smooth resistance and proper muscle loading through the complete range of motion, while fewer guide rods, cams and pulleys extend the life of this product well past other machines. Nautilus One ™ equipment combines revolutionary weight stack technology and the most intuitive and user-friendly selection method ever created: a dial. The cable crunch is an exercise that was way ahead of its time, even before Arnold Schwarzenegger was doing it as part of his ab training in the 1977 movie ‘Pumping Iron’.
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