With your hands behind your head or crossed in front of your chest ... Grab a Pilates ball for this crunch variation. It uses a very small movement, but you'll still feel it in your abs, promise.

Crunches are another enduring bodyweight exercise ... soft surface), with your knees bent and your feet on the ground in front of you about as wide apart as your hips. Arms are either crossed ...

Some of the best stomach exercises for stronger abs include crunches, teasers ... Hold a 5-pound medicine ball (or dumbbell) between both hands. Swivel left to the right and back.

While doing crunches and situps may activate the abs ... How to do it: Extend your arms straight out while holding a medicine ...

When it comes to working our core, most people’s minds often turn to lying on their backs and busting out 100 crunches ... hamstrings and erector spinae. "Front rack position" is where you ...