One Arm Triceps Extension with Dumbbell

    One arm triceps extension with dumbbell small frame 1One arm triceps extension with dumbbell small frame 2
· Sit on a bench with your back straight and your abs drawn in. · Grasp a dumbbell in your hand and place it behind your neck with your elbow bent. · Slowly extend your arm straight up over your head and slowly return to the starting position.