Top athletes have repeatedly introduced the world to new training and recovery strategies — with the Olympics being one of the biggest platforms on which to do so. In 2016 in Rio, we learned about cupping. In 2012 in London, we learned about kinesio tape.

At the Tokyo Olympics, the new trend is blood flow restriction (BFR) training, a technique in which pressurized bands (which look similar to blood pressure cuffs) are worn around the arms or legs to slow blood flow to specific muscles during training. It’s thought to trigger the body to build more muscle mass than it otherwise would at that training intensity.

Read more about BFR training, and what experts have to say about it, at