1. Very long arms for his already-tall height. He’s 6’4, his wingspan is 6’7 (80″)
2. Freakishly large lung capacity
3. He can hyperextend his elbows, knees, and ankles allowing strokes with extra range of motion most can’t do.
4. Extra long torso, extra short legs (more power, less drag)
5. Size 14 feet = basically flippers (even for his height avg shoe size is 12)
6. Above average hand size = basically more flippers
7. Genetic anomaly where his muscles produce less lactic acid from the same exertion
Check out some graphics here to see it:
Business Insider: [Michael Phelps has the perfect body for swimming](https://www.businessinsider.com/michael-phelps-rio-olympics-body-swimming-2016-8)
AboutSwim: [How Michael Phelps’s body Is Suitable For Swimming](https://aboutswim.com/michael-phelpss-body-made-swimming/)
Combine happening to have all the ideal physical traits with his INSANE training schedule and you get one of the most dominant athletes ever.
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