Lying Cross Body Dumbbell Tricep Extension What muscles do Lying Cross Body Dumbbell Tricep Extensions work? The Lying Cross Body Dumbbell Tricep Extension is an isolation exercise that primary targets your triceps. It’s a strength exercise that uses push force. How to do the Lying Cross Body Dumbbell Tricep Extension Benefits of the Lying Cross Body Dumbbell Tricep Extension Tips for performing the Lying Cross Body Dumbbell Tricep Extension What equipment is needed to perform Lying Cross Body Dumbbell Tricep Extensions? What type of exercise is the Lying Cross Body Dumbbell Tricep Extension? How many reps you should do for Lying Cross Body Dumbbell Tricep Extension?