ne.org/latest-medical-newsDate:2/12/2011 SATURDAY, Feb. 12 (HealthDay News) -- Winter couch potatoes who decide to get active in the spring may be at risk for injury if they do not take the proper steps to safely get into shape, an expert warns.Before you begin an exercise program or new sport, you need to get an assessment of your physical condition, including weight and cardiovascular fitness, ad