Chris Hemsworth's ripped arms were iconic in his role as Thor in the Marvel Cinematic Universe. Hemsworth says he achieved these results by using blood-flow restriction in his arms. This technique can ...

In my mind, blood flow restriction training summons up images of Arnold Schwarzenegger and his ilk cranking out curls in pursuit of a monstrous pump. But blood flow restriction, or BFR, is good for ...

After a workout several years ago, Mikaela Shiffrin slipped inflatable cuffs over her upper arms and legs, then cranked through a 20-minute circuit of relatively easy exercises. “In 15 minutes I was ...

FROM THE GYMS of pro bodybuilders to the training room of Olympic marathoner Galen Rupp to Mark Wahlberg’s 4 a.m. Club, there's one unique training tool in common. Maybe you've seen people wrap their ...

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In 1973, Sir Yoshiaki Sato, MD, PhD, developed the KAATSU ("training with added pressure") training method in Japan, which is now commonly known as blood flow restriction (BFR) training or occlusion ...

As a certified personal trainer and intermediate lifter, I’ve always loved strength training. But after a summer of travel and unstructured workouts, my routine needed a reset. By September, I was ...

Chris Hemsworth was using blood-flow restriction training to build his arm muscles. He did this by tying an elastic band around his arm to build up lactic acid while lifting. But Centr trainer says ...