When it comes to the back, the lats are the undoubted hero. Providing that coveted v-taper lifters continue to seek in the gym; the lats help to elevate a physique by adding extra size and definition.
Single-arm dumbbell rows are to back day what a barbell bench press is to chest day. They're basically a package deal. Rows performed in a bent-over position build your lats, traps, and rhomboids, ...