New to exercise? Start here Skip to Videos All | Circuit | Upper Body | Lower Body | Core | Upper Body, Pushups Objective: Strengthen the chest, shoulders, and triceps. Upper Body, Alternating Dumbbell Biceps Curls Objective: Target the biceps individually for balanced muscle development. Upper Body, Dumbbell Biceps Curls Objective: Strengthen the biceps. Upper Body, Alternating Dumbbell Front Raises Objective: Target and strengthen the anterior (front) deltoids in the shoulders.