Chris Hemsworth has stopped using blood-flow restriction to build his arm muscles because it 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 Hemsworth's trainer says the actor is not doing this anymore, and that it was "quite painful."/ has stopped using a muscle-building practice that he helped popularize earlier this year./ training to increase the muscle mass in his arms to play Thor. , involved wrapping rubber bands around his arms before a weight-lifting session - typically dumbbell curls. The ...
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