Twisting sit-up As you come up in the traditional sit-up, twist your torso toward one side, bringing the opposite elbow toward the knee on the twisting side. Alternate sides with each rep.

Set Core Plan that builds strength & definition faster than 100 sit-ups a day. Efficient, science-backed core training awaits ...

You don’t need to do standard moves like crunches, sit-ups and planks to improve your core strength, as this 10-minute standing abs workout proves.