Performing the: A Step-by-Step Tutorial Dumbbell One Arm Standing Hammer Curl
Now, while holding the upper arm stationary, curl the weights while contracting the biceps as you breathe out. Only the forearms should move. Continue the movement until your biceps are fully contracted and the dumbbells are at shoulder level. Hold the contracted position for a brief moment as you squeeze your biceps.
Slowly begin to bring the dumbbells back to the starting position as your breathe in.
Repeat the process for the recommended amount of repetitions.