
Dumbbell Stiff Leg Deadlift
- Target muscle
- Erector Spinae, Gluteus Maximus
- Synergist muscles
- Hamstrings
- Equipment
- Dumbbell
- Body part
- Hips
- Type
- Strength
The dumbbell stiff leg deadlift is a hip-hinge exercise that primarily targets the erector spinae and gluteus maximus, with strong assistance from the hamstrings. Holding a dumbbell in each hand, you keep your legs nearly straight to load the back of the hips and build posterior-chain strength and hamstring flexibility.
How to do the Dumbbell Stiff Leg Deadlift
- 1Stand tall with your feet hip-width apart, holding a dumbbell in each hand in front of your thighs with your palms facing your legs.
- 2Brace your core and pull your shoulder blades down and back so your spine stays long and neutral.
- 3Keep your knees almost straight with only a soft, fixed bend, and let the movement come from your hips.
- 4Push your hips back and hinge forward, lowering the dumbbells along the front of your legs while keeping them close to your body.
- 5Continue until you feel a strong stretch in your hamstrings or your back is about parallel to the floor, keeping your spine flat throughout.
- 6Drive your hips forward and squeeze your glutes to stand back up, pulling the dumbbells up along your legs.
- 7Finish standing fully upright without leaning back, then repeat for your target reps.
Form tips
- Lead the descent by pushing your hips back, not by bending your knees — the knee angle stays fixed throughout the set.
- Keep the dumbbells gliding close to your shins and thighs to keep the load over your hips and protect your lower back.
- Move under control on the way down to maximize the hamstring stretch, then drive the hips through powerfully to stand.
- Only lower as far as you can while keeping a flat back; range of motion grows as your hamstring flexibility improves.
Common mistakes
- Rounding the lower back to reach lower, which shifts load off the muscles and onto the spine and risks injury.
- Bending the knees like a squat instead of hinging at the hips, which removes tension from the hamstrings and glutes.
- Letting the dumbbells drift away from the body, increasing the lever on your lower back and straining it.
- Hyperextending and leaning back at the top, which compresses the lower spine instead of finishing tall.
Frequently asked questions
What muscles does the dumbbell stiff leg deadlift work?
It primarily targets the erector spinae (lower-back muscles) and the gluteus maximus, with the hamstrings acting as the main synergists. It's a posterior-chain movement focused on the back of the hips and thighs.
What's the difference between a stiff leg and a Romanian deadlift?
In the stiff leg deadlift your knees stay almost straight with a fixed soft bend, emphasizing the hamstring stretch and lower back. The Romanian deadlift allows slightly more knee bend and hip travel, shifting a bit more load onto the glutes.
How wide should my stance be?
A hip-width stance with your feet pointing forward is standard. This keeps the hinge balanced and lets you push your hips straight back without your knees getting in the way of the dumbbells.
Is the dumbbell stiff leg deadlift good for beginners?
Yes, dumbbells let beginners learn the hip hinge with a lighter, easier-to-control load. Start light, prioritize a flat back over depth, and only lower as far as your hamstring flexibility allows.
How many sets and reps should I do?
For hypertrophy and hamstring strength, 3–4 sets of 8–12 controlled reps works well. Keep the weight moderate so you can hinge with a neutral spine on every rep.







