ExercisesImages Dumbbell challenge written by shedboy71 This routine uses dumbbells and you have to complete 20 each of the following Arnold Press Alternate Hammer Curl Concentration Curls Standing Triceps Extension Pile Squat Dumbbell Front Raises Straight Arm Pullover Dumbbell Lateral Raises Here’s a picture to keep you motivated dumbbell challenge 16th July 2015 0 comment 0 FacebookTwitterPinterestEmail