Single-arm dumbbell row: how to perform it.
The single-arm dumbbell row is horizontal pulling with insurance built in: knee and hand braced on the bench, lower back nearly unloaded, one arm at a time rowing with the whole back. It's the exercise where you can push your lats to the limit without worrying whether your back will hold up, and where imbalances between the two sides have nowhere to hide.
Starting position
- Knee and hand on the same side on the bench, the other foot on the floor: your back is a table, parallel to the floor.
- Dumbbell in the free hand, arm extended, shoulder "locked in" (never hanging loose).
- Eyes down, slightly ahead: neck in line with the back.
Proper form
- Pull the dumbbell toward your hip, between the ribs and hip bone, starting from the shoulder blade.
- The elbow travels close to the torso and points at the ceiling, without flaring out to the side.
- At the top, the shoulder blade squeezes toward the spine: a moment of full contraction.
- Lower over 2-3 seconds until the arm is fully extended, letting the shoulder blade stretch forward.
- The torso stays a table: no rotating to "gain" extra inches.
- Finish the side, then switch: always start with the weaker arm.
When to inhale, when to exhale
Exhale on the pull, inhale on the way down. The support frees up your breathing, use it for a full, steady rhythm.
Mistakes to avoid
Rotating the chest to lift the dumbbell higher is the classic cheat: the extra range comes from the spine, not the lat. Picture a full glass balanced on your back: it must never spill.
If the dumbbell rises toward the armpit with the elbow flared wide, you're working the traps and rear delt. For the lats, the pull is low, toward the hip, elbow tucked in.
Starting with the shoulder "unracked" to stretch further puts the rotator cuff in a fragile position under load. Let the shoulder blade stretch, sure, but the shoulder itself stays locked in its socket.
Even with support, you can cheat by yanking with your whole body. If the dumbbell doesn't rise under control, it's too heavy: the single-arm row can handle serious loads, but you have to earn them.
DAWT tip. This is one of the few back exercises where high-rep sets (12-20) work beautifully: the lower back isn't the limiting factor, so you can genuinely push the lats to failure. One true set of 15 per side is worth gold.
Variations and alternatives
Quick answers
Is the dumbbell row or the barbell row better?
The barbell loads more and also trains lower-back stability; the dumbbell isolates the lats better, fixes imbalances and doesn't tax the back. Many programs use both: barbell early in the session, dumbbell after.
Where should you feel the single-arm dumbbell row?
In the lats, under the armpit and toward the center of the back. If you feel it in the biceps, you're pulling with your hand; if in the upper traps, the elbow is traveling too wide or the shoulder is riding up.
Related exercises
How much should you load on this exercise?
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