The stair climber—the machine that looks like an endless escalator you keep ascending—is a popular option at the gym for a good cardio workout. But, how effective is it, really? And what are the ...

A rock climber is using his skills to help those who are visually impaired to enjoy the sport as well.

Stair climbing works multiple lower-body muscles and engages the core to maintain stability. It provides high-intensity cardio with lower joint impact than running. Regular use can improve heart ...