Purpose of Exercise: To develop the biceps especially the lower end. This really helps for those who have space between the lower biceps and the elbow joint, to help fill in and shape this area.
This is an even stricter movement that regular curls. Position yourself with your chest against the bench, your arms extending over it. This puts the arms at an angle, which transfers additional stress to the lower area of the muscle. Take hold of a barbell or E-Z curl bar with an underhand grip. Curl the bar all the way up and squeeze then lower it again to full extension, resisting the weight all the way down.
Variations: You can use a dumbbell to do one arm preacher curls also using the same form as regular