John McGuire lay there, unable to get up, watching his arm move without him, and slow, and stop.
In 2006, the former Navy SEAL was a self-employed fitness coach. Then, while jumping on a trampoline, he fell.
According to McGuire, his C4 vertebra punctured his spinal cord, paralyzing him from the neck down. At the hospital, he says, doctors said he was unl...