How to do a modified crunch. If you’re unsure how to perform a crunch without straining your neck, try the modified version to work your core as you gain the confidence to tackle the full move.

How to do a modified crunch. If you’re unsure how to perform a crunch without straining your neck, try the modified version to work your core as you gain the confidence to tackle the full move.

Modified crunches can work additional muscle groups. "Laying on your side as you do crunches will also target your oblique muscles," says Hess.

Modified crunches can work additional muscle groups. "Laying on your side as you do crunches will also target your oblique muscles," says Hess.

Modified crunch flattens abs big-time. By Karen Voight . Jan. 22, 2007 12 AM PT . ... Repeat the ab crunch eight more times, then switch legs and repeat on the other side, ...

For a modified bicycle crunch, perform the move standing up. Standing up eliminates any neck or back pain you may experience while performing the move on the floor, allowing you to focus on form.

Modified bicycle crunch. Sit on your butt with your legs bent and heels resting on the ground. Position yourself as if you had just pulled yourself up into the top of a sit-up.

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 ...

Modified crunches. Your back and core benefit from the modified crunch. This move hits the abs, but also the deeper core muscles, including the transverse abdominis and multifidus.

Modified crunches. Your back and core benefit from the modified crunch. This move hits the abs, but also the deeper core muscles, including the transverse abdominis and multifidus.

We’ve a hunch you can use this crunch Share this: Click to share on Facebook (Opens in new window) Click to share on Twitter (Opens in new window) ...

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 ...