A first-class lever is a very simple machine comprised of a beam placed upon a fulcrum. A load is placed onto one end of a beam, while an effort is directed onto the other end to counter the load. In human anatomy, the skull as it sits atop the first vertebra and the ankle and foot are examples of first-class levers.Read More
Complete as many rounds as possible in 20 minutes of:
15 strict pull-ups
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