Subscribe Now: http://www.youtube.com/subscription_center?add_user=ehowfitness Watch More: http://www.youtube.com/ehowfitness Catabolism of muscle is something that traditionally happens when your metabolism slows down. Prevent catabolism of muscle with help from the only physician in the country to hold board certification in Obesity Medicine and be certified by the American College of Sports Medicine as a Clinical Exercise Specialist in this free video clip. Expert: Charlie Seltzer Filmmaker: Ed Candelora Series Description: Fitness isn’t just about losing weight – it is also about gaining muscle and targeting core muscle groups in the most efficient possible ways. Get tips on muscles and fitness with help from the only physician in the country to hold board certification in Obesity Medicine and be certified by the American College of Sports Medicine as a Clinical Exercise Specialist in this free video series.