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, ...

A powerful, well-balanced physique starts with a rock-solid back; it shows fellow lifters that you’re no stranger to serious strength training and in order to do that, you need to incorporate rows.

Pullups and heavy barbells aren't the only way to add muscle and strength to your lats and mid-back.