Dr. Amy Xu got hooked on cheerleading in the fifth grade. As she pursued the sport in high school and college, she witnessed how the routines started demanding increasingly complex acrobatic feats — ...

Is it a mountain? Is it a tower? Nope, it’s the three-person tall “pyramid stunt” of the Yale Cheerleading Team. The cheerleading team at Yale hails from all grades and residential colleges, but one ...

Think back to any high school or college sporting event, and you’ll probably picture the tumbles, pyramids, and tosses of cheer squads hyping up the crowd. But the sport is no longer just confined to ...