Performing the: A Step-by-Step Tutorial Dumbbell Seated Curl
While keeping your upper arms stationary, curl the weights while contracting your biceps as you breathe out. Continue the movement until your biceps are fully contracted and the dumbbells are at shoulder level.
Hold the contracted position for a second as you squeeze your biceps.
Gradually begin to bring the dumbbells back to the starting position as you breathe in.
Repeat the process for the recommended amount of repetitions.