
barbell alternate biceps curl
BicepsBarbell

Step 1: Sit on a preacher bench with a dumbbell in each hand, palms facing up and elbows resting on the pad.
Step 2: Curl the dumbbells up towards your shoulders, keeping your upper arms stationary and your palms facing up.
Step 3: At the top of the curl, rotate your wrists so that your palms are facing down.
Step 4: Slowly lower the dumbbells back down to the starting position, rotating your wrists back to the starting position as you do so.
Step 5: Repeat for the desired number of repetitions.