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The 85 percent rule

Working at about 85 percent effort so relaxation and form do the rest

Working at roughly 85 percent of maximum effort so the remaining margin goes to relaxation and form. The idea comes from sprinting, where coaches noticed that athletes told to run at 85 percent often clocked faster times than at a straining 100, because their jaw, fists and shoulders stayed loose. It has spread to lifting, singing, stage work and writing: back off the grip a little, keep the technique, and let the result come. In practice it means picking a pace you can hold with an even face and steady breathing rather than one you have to fight for.

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  • Actor · Wolverine and The Greatest Showman

    He trains with Beth Lewis, a former powerlifter and dancer, and credits her for much of his thinking on relaxation over strength. What he thinks is called the 85 percent rule: athletes told to run at 85 percent often run faster than at full effort because form and relaxation improve. He applies it to fight scenes, which he calls dance. He prefers a Wednesday matinee six weeks in to opening night.

    Source: The Tim Ferriss Show #444 transcript

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