Trust yourself. Falling is part of the process. By Malia Wollan “You need to get a good swing going,” says Bella Palmer, 13, a competitor in all three seasons of “American Ninja Warrior Junior,” a ...

I set up this fun combo in the gym, starting with a swinging takeoff into a bar move and finishing with a controlled bounce ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Monkey bars were hard ...