Dumbbell Back Extension
What you'll gain
Adds progressive resistance to the hinge without putting a bar on the back.
Bridges the gap between bodyweight extensions and loaded barbell hinging.
Trains the erectors to hold a neutral spine while external load is present.
Step-by-Step Instructions
- 1
Set the hip pad of a 45-degree bench just below your pelvis and lock your ankles under the roller.
- 2
Take a dumbbell in each hand and hold them below and in front of your torso with your elbows bent.
- 3
Brace your abdominals and set your head, spine and hips in one straight line.
- 4
Hinge at the hips and lower your torso until you feel the hamstrings lengthen.
- 5
Drive the hips into the pad and extend until your body forms a straight line.
- 6
Pause at the top, lower under control, and repeat for the prescribed reps.
Common Mistakes
Adding load before bodyweight reps are controlled, which rounds the back under the extra lever arm.
Letting the dumbbells swing as you hinge, which adds momentum rather than controlled resistance.
Extending past a straight line at the top, which compresses the lumbar spine under load.
Using momentum out of the bottom, which removes tension from the glutes and hamstrings.
About This Exercise
The dumbbell back extension is the loaded version of the standard 45-degree bench extension. Two dumbbells held below and in front of the torso add resistance, increasing the demand on both the spinal erectors holding position and the glutes and hamstrings producing hip extension. With a dumbbell in each hand, technique degrades quickly if the weights are too heavy, so progression is usually made in small increments once bodyweight reps are controlled and pain free. For an asset library this clip is the progression step that catalogs often skip, leaving a gap between bodyweight extensions and barbell hinging. It fits posterior chain accessory blocks, dumbbell equipment collections, and progression ladders inside app program builders.
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A loaded back extension on a 45-degree bench, holding a dumbbell in each hand below and in front of the torso to add resistance to the hip hinge.
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Specifications
Built for
- Hinge accessory for gyms with no glute ham developer or reverse hyper station.
- Warm-up sets ahead of deadlift sessions in coaching platform templates.
- Progression ladders from bodyweight to loaded back extensions.
- Low back conditioning modules that need a loaded option.
