The Kneeling Cable Crossover Lat Pulldown is a great addition to your list of #backday exercises. The lats (short for latissimus dorsi) are responsible for: a) shoulder adduction (moving open arm downwards) b) extension (moving straight arm backwards and up) c) internal rotation Thus performing one of these 3 movements will engage your lats. In this exercise Martina is performing a shoulder adduction, hence firing up her lats on every repetition, both on the concentric downward phase but also as