Many people do crunches to get abs. But crunches alone are not enough. Visible abs need a lower body fat percentage. Diet and overall activity are important. Core strengthening exercises are needed.

Don’t isolate your abs—integrate them with the rest of your body for a more effective, efficient, functional core workout!

Try a core workout that includes three different ab exercises, like crunches, bicycle crunches and lower leg lifts. You would do 10 crunches, 10 bicycle crunches, and then 10 lower lifts.

Those who are new to crunches should take it slow and focus on good form, according to Ezekh. "A lot of people make the mistake of yanking their neck or using momentum to do the move. The key is ...

Crunches can improve flexibility and posture as well. And they have the benefit of convivence "since you can perform crunches anywhere—whether it be at home or in a hotel room," says McDonough.

Crunches can improve flexibility and posture as well. And they have the benefit of convivence "since you can perform crunches anywhere—whether it be at home or in a hotel room," says McDonough.

With 7.6 million views on YouTube and the claim it’s the hardest abs workout ever in the title, I had to give this 9-minute workout a go, and it was a stern challenge for my core.

20s In your 20s, David said your core is “at its prime,” so you should be able to knock out 40 to 50 crunches in one go. “Think of it as a warmup for all the adventures your abs will support ...

Some of Bicycle Health’s payer customers include UnitedHealthcare, Aetna and Cigna. Boise, Idaho-based Albertsons is the second-largest supermarket chain in the U.S., with a footprint across 34 ...

Russian twists, bicycle crunches, and woodchoppers train these muscles while simultaneously engaging the rectus abdominis, creating more comprehensive development than crunches alone can provide.

Try the 7-Minute Gentle Workout: The Week in Well+Being The workout features low-impact exercises that are effective but easy on the joints, helping you safely build muscle and aerobic fitness.