Dumbbell One Arm Bent Over Row
The one-arm dumbbell row in a bent-over position strengthens the upper back and improves scapular control. The movement particularly targets the scapular adductors and the force chain required for pulling movements.

AI Analysis
Required equipment
Why Dumbbell One Arm Bent Over Row?
The one-arm dumbbell row in a bent-over position is an excellent exercise for strengthening the upper back muscles and improving body control. This versatile strength movement focuses particularly on the scapular adductors, such as the latissimus dorsi and the lower trapezius, but it also activates the biceps and the deep stabilizing muscles of the core. Since the movement is performed one arm at a time, it is an effective way to correct body asymmetries and develop unilateral strength, which is important in many daily activities and sports. The movement also improves scapular control and stability, which helps prevent shoulder issues and supports better posture. It is suitable for both beginners and more experienced fitness enthusiasts who want to build a strong and functional upper back. The core must remain tight throughout the movement, making it an excellent core workout as well. When performed correctly, the dumbbell row is a safe and highly effective addition to any strength training program. It is a fundamental pulling movement that also supports other gym exercises, such as deadlifts and pull-ups, by developing the necessary pulling force chain.
Benefits
Effectively strengthens upper back muscles
Improves posture and body control
Develops scapular stability and control
Corrects body asymmetries and imbalances
Increases core stabilizing strength
Enhances strength required for pulling movements
Prevents shoulder and back pain
Muscle groups
Primary
- upper-back9
- upper-back9
Secondary
- biceps7
- biceps7
- trapezius7
- trapezius7
- forearm5
- forearm5
- deltoids4
- deltoids4
Stabilizers
- lower-back5
- abs5
- gluteal4
- gluteal4
- hamstring3
- hamstring3
How to perform
Setup
- Place one knee and the same-side hand on a bench or support them in front of your body, with the other foot on the floor for support.
Execution
- Pull the dumbbell towards your side with your elbow leading, keeping the elbow close to your body.
- Squeeze the scapula towards the spine at the end of the movement and pause briefly.
- Lower the weight in a controlled manner without extending the shoulder forward or rounding your back. Repeat the repetitions and then switch sides.
Coaching cues
- •Keep your spine neutral and gaze slightly down towards the floor.
- •Initiate the movement from the scapula, pulling the scapula back and down before the elbow bends strongly, avoiding hyperextension in the wrist and shoulder.
Common mistakes
❌ Rounding or arching the back
Why it's wrong: Too much weight or weak core support can cause the back to lose its neutral position. This places undue stress on the spine and reduces the effectiveness of the movement on the target muscles.
✓ Fix: Choose a lighter weight and focus on keeping your back straight and your abdominal muscles tight throughout the movement. Imagine your back is like a table.
❌ Elbow flaring too far from the body
Why it's wrong: When the elbow flares out to the side, the movement shifts more to the shoulder and upper trapezius, reducing activation of the upper back muscles and increasing the risk of shoulder injury.
✓ Fix: Keep your elbow close to your side and pull the dumbbell towards your ribs, as if trying to squeeze the scapula towards the spine. The elbow should point backward.
❌ Performing the movement with jerky or rushed motions
Why it's wrong: Using momentum reduces muscle engagement and increases the risk of injury, especially in the back and shoulders. The muscles do not receive optimal stimulation.
✓ Fix: Perform the movement in a controlled manner during both the lifting and lowering phases. Focus on squeezing the upper back muscles at the top position and stretching them at the bottom position.
Frequently asked questions
What muscles does the one-arm dumbbell row primarily develop?
The movement primarily develops the upper back muscles, such as the latissimus dorsi, lower and middle trapezius, and rhomboids. The biceps and core stabilizing muscles are also significantly activated.
Do I need a bench or other support to perform the movement?
Yes, a bench or other stable support (e.g., a sturdy chair or box) is recommended. It helps keep the body stable and the back in a neutral position, allowing you to focus better on the target muscles and avoid straining the back.
Can I perform this movement if I have lower back pain?
If you have lower back pain, consult a doctor or physical therapist before starting the movement. The exercise requires good core control. Start with light weights, focus on perfect technique, and avoid rounding or arching your back. If necessary, you can use your other hand for support on the bench.
How often should I perform this movement?
The frequency of training depends on your goals and overall workout program. For muscle growth and strength, 1-3 times a week as part of a broader back workout is good. For endurance, more frequently with lighter weights.
Safety tips
- Warm up properly before starting the movement, especially the shoulders and back.
- Always start with a light weight to ensure proper technique before adding more weight.
- Keep your back straight and in a neutral position throughout the movement to avoid lower back strain.
- Focus on a controlled and steady movement, avoiding jerky or rushed repetitions.
- Listen to your body; if you feel pain, stop the movement and check your technique or choose a lighter weight.
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