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 ...

Blood flow restriction training—once a niche rehabilitation method used primarily by physical therapists—has quietly transformed into one of fitness’s most intriguing innovations. This technique uses ...

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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 ...

Some athletes in Tokyo are indulging in a trendy technique to enhance the effects of training and stimulate recovery. Credit a Japanese former power lifter. By Matthew Futterman Every four years, the ...

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 ...

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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 ...

There is a recent trend among physical therapy providers treating their patients, including injured workers and plaintiffs, using Blood Flow Restriction Therapy (BFRT). While you may have recently ...