Ez barbell close grip preacher curl

Sit on a preacher curl bench and place your upper arms on the pad, gripping the ez barbell with an underhand grip. Rest your triceps on the pad and fully extend your arms, keeping your back straight. Slowly curl the barbell towards your shoulders, contracting your biceps. Pause for a moment at the top, squeezing your biceps. Lower the barbell back to the starting position, fully extending your arms. Repeat for the desired number of repetitions.