Arthur Fery, the 23-year-old British wildcard, unknown to anyone outside tennis clubs two weeks ago, now finds himself on first name terms with the queen and regular on Centre Court after blitzing his way to the Wimbledon semi-finals.
As we’’ve watched Fery win again, then again, then again, one thing in particular has stood out: Those impressive legs. He’s five-foot-seven—one of the shortest players in the tournament—yet he generates a lot of power from the baseline. Could it have…

