Sit-ups and crunches both target your core muscles, but work differently. You can use both exercises to build strength, endurance, and control.

When you hear "ab workout," your mind probably goes to sit-ups and crunches, lying on your back. Yet research shows that these aren’t actually the best exercises for targeting the muscles in your ...

Sit on an exercise mat and engage your core. Lean backward to create a V-shape position. If you want to, lift your feet away ...

Flip through any health and fitness magazine from the last few decades and you’ll find no shortage of ab exercises promising that coveted six-pack—crunches, sit-ups, planks, you name it. And while ...

Despite writing about fitness for a living, when I found out I was pregnant with my son, I was overwhelmed with everything I couldn’t do when it came to working out. I knew crunches, sit-ups 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 ...

When most people think of core exercises, they think crunches and sit-ups – possibly because the tactical professions have used them for decades. But given recent changes in military testing, the next ...