Performing the: A Step-by-Step Tutorial Hammer Curl
Keep your upper arms stationary, exhale and curl the weights while contracting your biceps. Continue to raise the weights until your biceps are fully contracted and the dumbbells are at shoulder level. Hold the contracted position for a brief pause as you squeeze your biceps.
Inhale and slowly begin to lower the dumbbells back to the starting position.
Make sure to keep your elbows close to your torso at all times.
Repeat this movement for the recommended amount of repetitions.