A PT explains what these numbers actually mean, and why quality reps and proper form matter more than chasing high totals ...

The crunch is a classic ab exercise. It’s also pretty straightforward: Lie on your back with your knees bent and feet flat on the floor, contract your abdominals, and lift your shoulders, neck, and ...

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 ...

While many workout regimens flame out as quickly as it took them to start trending, others stand the test of time. Exercises like tai chi, running, swimming, hiking and yoga, for instance, have been ...

Ever look at someone and think, “Man, how many crunches does it take to look like that?” If you want to tone your abs, crunches—which target the top part of the abs—can help. But if you want to see ...