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Skip crunches and get more bang for your buck with this exercise
After that, bend your left elbow and your right knee, crunching your abs, until they touch underneath your stomach. Repeat using your right arm and left leg. Alternate between sides, performing 10 ...
Sit-Ups Vs. Crunches: Which Exercise Is Better And How To Do Each With Proper Form
crunches, you’re not ... Exhale and bring right elbow to left knee while extending right leg straight, rotating torso, and ...