Most Leg Extension Exercises With A 420-Pound Weight

United States john bertucci

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Chicago, Illinois, United States / November 18, 2016

John B. performed three leg extension exercises with a 420-pound weight.

- legs must be fully extended for each rep
- must follow form of current world record holder
- must provide video evidence

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Tags: mostsportsexercisefitnessstrengthweightrepsleg extension

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