It can be easy to get in an abs workout rut, doing crunches, sit-ups, or planks on repeat. While planks have plenty of benefits, allow me to spice up your core workout with a new go-to move: scissor ...

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 ...

You can’t overstate the importance of a runner’s core strength and stability. “A strong core provides the foundation for the rest of your body to work together and use less energy when you run,” Raj ...