It’s hard to improve upon the bear crawl. It strengthens your core like few other exercises. But Men’s Health Fitness Director B.J. Gaddour dreamt up 38 ways to make the exercise even more effective ...

One of the best ways to score a chiseled core: crawl. This abs workout consists entirely of bear crawl variations. It’s called a “flow complex,” says Men’s Health B.J. Gaddour. So you’ll do one ...