Weinstein, editor of the medicaljournal Spine and chairman of the department of orthopedic surgery atDartmouth-Hitchcock Medical Center in Lebanon, N.H.

For their study, investigators conducted a retrospective chart review of 723 patients who were scheduled for orthopedic surgery between January 2007 and March 2008 at HSS.

He'd even wake up at four in the morning and play until he had to go do his orthopedic surgery thing, which seems a little dangerous to us considering his line of work, but whatever.