Performing the: A Step-by-Step Tutorial Barbell Standing Close Grip Curl
Keep your elbows close to your torso at all times, and make sure your upper arms are stationary throughout the exercise.
Now, curl the weights while contracting your biceps as you breathe out, only your forearms should move.
Continue the movement until your biceps are fully contracted and the barbell is at shoulder level, hold this contracted position for a second as you squeeze your biceps.
Slowly begin to bring the barbell back to the starting position as your breathe in, maintaining control and not letting the weight drop suddenly.