By Conor Orr Skeptics beware: He can pinpoint injuries and issues that players have never disclosed. But he’s no psychic, just an expert in the human body. View the original article to see embedded media. Tom Zheng laughs. As it turns out, there are times when his job as a movement and performance specialist with the 49ers is not dissimilar to that of a psychic medium. Ahead of a conference title game matchup with the division rival Rams, we’re talking about the old television show Crossing Over with John Edward, where a toothy, middle-aged man would address an entire audience claiming to have…