Think of the ab crunch machine as the opposite of the back extension machine. While the back extension machine targets your lower back and core by bending backward, the ab crunch machine targets the ...

Want strong and sexy abs? Try a traditional ab crunch, says a new study from the University of Wisconsin-La Crosse. Researchers asked eight men and women between the ages of 18 and 24 to test out a ...

In the beginning, there was the sit-up. It begat the tubular ab rocker, which reduced neck stress and ensured proper back posture. That, in turn, begat a slew of high-performance ab devices including ...

“Are abdominal machines that simulate a sit-up effective? What is the best way to strengthen the abdominals and the core?” “” Judy A. Oakland, CA Traditional Chinese medicine refers to the stomach ...

Common ab exercises like situps, crunches and leg raises are great foundational moves. But after performing them consistently for a while, they can start to become stale. That’s why I like to switch ...

Add Yahoo as a preferred source to see more of our stories on Google. Unlike regular crunches, which require lifting the upper body off the ground, reverse crunches involve lifting the hips and legs ...

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...