Scissor crunches kick up a fast burn in the abs and hip flexors using a vertical scissoring leg motion. Unlike flutter kicks, butterfly kicks, or scissor kicks (so much kicking), the scissor crunch ...

Strengthening your core can improve your overall fitness abilities (like make you a more powerful runner or skier), can prevent injury or back pain, and improves your posture. Whether you throw in an ...

Even if you're staying cool in light and blousy tops and bikinis are pushed to the back of the closet, you shouldn't skimp on core-strengthening exercises. Now's the perfect time to get a ...