Performing the: A Step-by-Step Tutorial Dumbbell Alternate Seated Hammer Curl
Now, while holding your upper arm stationary, exhale and curl the weight while contracting your biceps. Continue to raise the weight until your biceps are fully contracted and the dumbbell is at shoulder level. Hold the contracted position for a brief moment as you squeeze your biceps.
Inhale and slowly begin to lower the dumbbell back to the starting position.
Repeat the process with the other arm.
Continue alternating arms after each repetition until you've completed your set.