Chloe knew something was wrong in the first few moments after she surfaced in the middle of the Lake of the Ozarks.
Seconds before, the 16-year-old Wentzville, Missouri, girl had been thrown from a tube dragged by a speed boat. She looked at her left arm, floating in the water, and willed it to move.
Nothing. She concentrated harder. Still nothing.
The X-rays from her Labor Day weekend misadventure would tell the story: The humerus – the long bone that runs from shoulder to elbow – had broken clean through. A web of tiny fractures splintered out along both parts of the two sections.

