Some lifters have trouble hitting their backs, even with back exercises. Often, the biceps take over. The unilateral lat pulldown allows you to really focus on the back one side at a time.
Do not fully extend the arm at the top of the movement.
We love the workouts that make you ache, the ones that make you shake your fist at the heavens above. This one involves doing one-rep maxes with 60-second negatives, followed by some nice drop sets.