No matter which variations you follow, crunches have the advantage over sit-ups of being able to better target abdominal muscles. "Because the movement is smaller, you can control momentum more," ...

This movement allows you to keep the neck and upper back in a neutral position while engaging the core muscles, minimizing ...

Once you are in position, lift your head and shoulders off the ground before releasing and and resting your head back on the ground Crunches are beneficial for strengthening core muscles ...

Just five more seconds, guys. One more. All right, now we're going to go on to the vertical leg crunch. Same position, but with your legs in the air. Just crunch up nice and slow. Remember ...

How many crunches can you do — and how does that stack up with others your age? That was the question posed by "FOX & Friends" on Monday, when fitness expert Joseph David challenged hosts Brian ...

Crunches are another enduring bodyweight exercise ... Then, lift your head and shoulder blades off the ground before releasing the position and resting your head back on the ground.

Mountain climbers involve the same type of lower-body motion as the reverse crunch. Begin in plank position. Bend one knee, bringing it toward your chest. Return to a plank position, then bring ...