Parkour, the free-wheeling outdoor sport of vaulting, bouncing, jumping and flipping through the urban jungle, has inspired a new breed of indoor fitness centers where buildings are boxes, sidewalks ...

Eleven-year-old Christian Bandel uses one arm to spring over a vault during a parkour class held at Lawrence Gymnastics Academy, 4930 Legends Dr. on Sunday, May 17, 2015. Across the globe, the ...

Michael “Frosti” Zernow might like life’s obstacles more than most of us. Zernow is a professional parkour athlete. Parkour, a discipline developed in France, involves smoothly navigating over and ...

Kemp Powers is the author of "The Shooting: A Memoir." On his street, where the 26-year-old bunks with his parents, you couldn’t jump from one rooftop to another unless you had wings. There are palm ...