Performing the: A Step-by-Step Tutorial finger curls
Keep your elbows close to your torso at all times and exhale as you curl the weights while contracting your biceps, ensuring to only move your forearms.
Continue to raise the dumbbells until your biceps are fully contracted and the dumbbells are at shoulder level, keep the contraction for a brief pause as you squeeze your biceps.
Inhale and slowly begin to lower the dumbbells back to the starting position.
Repeat this process for your desired amount of repetitions.