"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Please see responses from Life Time Plymouth (Minnesota) Personal Trainer Keri Anderson Thanks a bunch! 1 ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? That said, different ab machines function in very different ways, so it's ...

Whether you’re trying to tone up for beach season or simply to improve your core strength, a solid ab workout routine is essential. Although you can do core exercises with little more than a mat, many ...

Plus, easy variations to make them more or less challenging. Leg lifts are effective for targeting the lower abs and can improve core strength and stability without traditional crunches or planks.