Lying Dumbbell Tricep ExtensionMuscle: TricepOther: NoneType: IsolationPosition yourself on a flat bench with you head at the end of the bench. While holding the end of a dumbbell with both hands, lift the weight straight up above the head. As you lower the weight behind the head, keep your upper arms still and elbows close to the ears. Inhale as you lower the weight and focus on using the triceps to lower the weight. Exhale as you lift the weights to starting position by following the same pattern.