It used to be the focus was reaching a number of minutes per day or week for exercise. Not anymore, said Dr. John Montgomery, president and medical officer for Humana Florida/Georgia commercial markets, addressing a Gainesville audience Thursday morning. “I have walking meetings,” he said. “I don’t sit down at the desk anymore. You create a culture in that workplace, whether it’s stationary bicycles or ellipticals or treadmill desks. You create that workforce change and you’ll see incredible engagements.” Montgomery was the featured speaker at the Greater Hall Chamber of Commerce’s 6th Annual Health Care Reform Seminar at Brenau Downtown Center theater.