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, ...

I first stumbled on the single-arm lat pulldown back in college, when building a bigger back was borderline obsession. I was chasing size, symmetry, and that wide V-taper look, but standard rows and ...