Hammer Curl - Cable, Rope Attachment
Attach a rope attachment to a low pulley. Stand face forwards and about 12 inches away from the machine. Grasp the rope with a palms-in grip and stand straight up. Put your elbows at your side and KEEP them there during the entire movement. Your elbows should not move. Pull your arms up until your biceps touch your forearms, keeping your palms in a facing in position. Slowly return to the starting position and repeat.