Dumbbell Row Form Check
Wondering if your dumbbell row is solid? Prop up your phone — GOODREPS watches your elbow angle (shoulder → elbow → wrist) live and scores every rep while you train your back and biceps, with shoulders and core assisting. Free in your browser today; coming to Google Play and the App Store.
Coming to Google Play & the App Store▶ Try The Form Check
LIVEHOW TO DO A PROPER DUMBBELL ROW
Setup Turn side-on to the camera, hinge forward ~45°, back flat, weights hanging.
- Pull the weights up to your chest, driving your elbows back.
- Squeeze your shoulder blades together at the top.
- Lower under control to a full stretch.
Same sheet as the ⓘ panel in the app — animated demo included.
THREE STEPS TO A SCORED DUMBBELL ROW
Prop your phone and get in frame
Phone at roughly torso height, set up side-on to the camera. A quick camera test checks lighting, distance, and angle before you start.
The camera locks a 17-point skeleton on you
GOODREPS measures your elbow angle (shoulder → elbow → wrist) on-device — no wearables. One dumbbell (or any weight you can hinge over) — log it and track PRs.
Move — and watch the form bar
The bar fills from ~145° toward ~55° at the bottom. Cut range short and it tells you; full ROM is what counts.
WHAT THE CAMERA WATCHES
- Your elbow angle, live — from roughly 145° hanging long up toward 55° at the pull. A shrug isn't a row; the pull has to travel.
- Your personal range of motion — after 3 clean reps the counter calibrates to your build, so long arms aren't penalized.
- Whether the weight actually reaches you — stop the pull early and the form cue is waiting: "Pull to chest."
COMMON DUMBBELL ROW MISTAKES
Standing up out of the hinge
As sets get hard, the torso creeps upright and the row turns into a shrug. Set your ~45° hinge and keep it — the camera sees you side-on, so it shows.
Pulling with the arm only
The row starts at the shoulder blade. Think "elbow to the ceiling" and squeeze your back at the top, not your hand.
Rounding your lower back
A flat back is the whole foundation. Brace your core before the first pull and keep your chest proud through the set.
Short, jerky pulls
Momentum robs the rep. Let the weight hang to a full stretch, then pull smooth — full range banks, half range doesn't.
PRIVATE BY DESIGN
Pose detection runs in your browser via TensorFlow.js. Camera frames are analyzed in real time and immediately discarded — nothing is recorded, nothing leaves your phone, and we never see them. Sign-in is optional; skip it and everything stays local.
QUESTIONS, ANSWERED
Do I need a bench to count dumbbell rows?
No — GoodReps tracks the standing bent-over row: hinge forward about 45°, weight hanging, and pull. Any single dumbbell, kettlebell, or heavy object works.
Does it work in a home gym or low light?
Run the built-in camera test first — it checks your lighting, distance, and angle with live green checks before you start. If a rep still slips through, manual counting is always one tap away.
Is my camera feed uploaded anywhere?
No. Pose detection runs entirely on your phone, in your browser. Frames are analyzed in real time and immediately discarded — nothing is recorded, nothing is uploaded.
RELATED GUIDES
Free forever — camera counting for all 60 exercises, no account needed. Pro (voice coaching, programs, depth-camera form checks) is $7/mo, $49/yr, or $99 once. No ads, ever.