Brace your Main, then pull the dumbbell toward your rib cage, squeezing your shoulder blades with each other. Weighted Pullup - Common physical exercise for setting up higher overall body strength and muscle mass coordination. Use a excess weight belt or dog leash to add a dumbbell for extra weight. https://backexerciseswithdumbbell70998.total-blog.com/hammer-strength-dumbbell-rack-for-dummies-55974498