Performing the: A Step-by-Step Tutorial one arm inner biceps curl
Make sure your palm is facing away from your torso, this is your starting position.
Now, keeping the upper arm stationary, curl the weights while contracting your biceps as you breathe out. Continue to raise the weight 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.
Gradually begin to bring the dumbbells back to the starting position as your breathe in.
Repeat the process for the recommended amount of repetitions and then switch arms.