LOOKING FOR A HARDCORE AB WORKOUT? TRY THIS 15-MINUTE SERIES FROM CELEB INSTRUCTOR AKIN AKMAN

Over the past few years, former tennis pro, model, and fitness instructor Akin Akman has steadily amassed an army of hardcore clients, which is how his #fitfam affectionately refers to itself. His SoulCycle classes in New York City are almost always waitlist-only events (I’m pretty sure I overheard someone begging to ride in the front row at a recent 7 a.m. sweat sesh), and the same goes for his boot camps. So why is everyone so willing to enlist in his workout regimen?

Trey Laird