If you’re unfamiliar, this trend originated after orthopedic surgeon and longevity expert Vonda Wright, MD, told author and ...

A pull-up is one of the purest tests (and flexes!) of strength out there—no machines, no momentum, just you versus gravity.

Ginny MacColl, 73, got fit in her 60s and now competes in American Ninja Warrior. She started by aiming to do one pull-up.

The journey from zero pull-ups to one pull-up is long, difficult, and may at times seem insurmountable. And then once you get there, victory is fleeting: Every set you attempt contains one measly rep.

In the video, she can be seen energetically performing pull-ups. "Wasn't sure if I could ... a substitute for a qualified medical opinion. Always consult a specialist or your own doctor for ...