Maybe the most remarkable thing about Simone Biles' decade-plus run redefining what's possible in gymnastics is how she has managed to stay healthy while doing it.
She is well-versed in the danger lurking at every turn, every twist, every landing. Blocking it all out and forging ahead may be her greatest skill, one that was put to the test on Friday night at the U.S. Olympic trials.
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Before Biles hopped on the uneven bars in her first event, Kayla DiCello's hopes of joining Biles in Paris ended with a torn right Achilles suffered a few feet away on vault.