Dumbbell biceps exercises 💪 Here are some dumbbell exercises to add to your routine: 1) Alternating DB supinated curls - target: biceps brachii - synergists: brachialis, brachioradialis 2) Alternating DB hammer curls - target: brachioradialis - synergists: brachialis, biceps brachii 3) Reverse DB curls - target: brachioradialis - synergists: brachialis, biceps brachii, wrist extensors (forearm) 4) Zottman curls (combination of supinated curls with eccentric hammer curl) - target: biceps brachii