Clip of quote: Rate of perceived exertion. Clip of quote: Rate of perceived exertion. Yarn is the best way to find video clips by quote. Find the exact moment in a TV show, movie, or music video you want to share. Easily move forward or backward to get to the perfect spot. It's available on the web and also on Android and iOS.
Rate of perceived exertion.
Image of Rate of perceived exertion.
Rate of perceived exertion.
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