"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If you've completed a core workout—or 100 of them—over the years, you likely know what crunches are ...

While many workout regimens flame out as quickly as it took them to start trending, others stand the test of time. Exercises like tai chi, running, swimming, hiking and yoga, for instance, have been ...

Crunches and situps are both ab exercises that target your core, but they aren't the same. Here's how to choose the best ...

Ever look at someone and think, “Man, how many crunches does it take to look like that?” If you want to tone your abs, crunches—which target the top part of the abs—can help. But if you want to see ...

Bicycle crunches are a great exercise for building core strength in runners – and they are a fair bit harder than they look. Now, we don’t have to remind you of the importance of doing strength ...

You don't need to do thousands of sit-ups or spend hours in the gym to build abs. You can instead do the bare minimum of two to three ab-focused exercises for 20 to 30 minutes a week. Exercises like ...

Ask anyone at the gym what you should do for a better looking stomach, and they’ll reply with one of the most common fitness myths there is: “You should do crunches for your abs.” The truth is that ...

If you’re over the same old sit-ups and crunches, why not invite a kettlebell into your core training? Here’s a simple ...

Ham, a PT and women's strength coach, says standing ab exercises are the floor-free way to train your core muscles and ...