Legs · Hinge

Romanian Deadlift

The Romanian deadlift is a hip-hinge exercise that trains the hamstrings and glutes under stretch. You lower a barbell along your legs by pushing your hips backward with a soft, fixed knee angle, stop when your hamstrings reach their end range, then drive your hips forward to stand. Typically 3–4 sets of 8–12 reps.

Also known as: RDL, Romanian dead lift, Barbell RDL

Muscle group
Legs
Movement pattern
Hinge
Type
Compound
Equipment
Barbell, Dumbbells
Difficulty
Intermediate

What muscles does the romanian deadlift work?

Primary movers

  • Hamstrings
  • Gluteus maximus

Assisting muscles

  • Spinal erectors
  • Latissimus dorsi
  • Adductor magnus
  • Forearms

The Romanian deadlift is the clearest hamstring builder in the gym because of what happens at the hip. Your knee angle stays fixed, so as your hips travel backward the hamstrings lengthen at the hip without shortening at the knee. That produces a large stretch under load — and training a muscle in its lengthened position appears to be particularly effective for growth.

The gluteus maximus works alongside the hamstrings as the other primary hip extensor. It contributes most in the top half of the rep as you drive your hips forward to lockout, whereas the hamstrings are loaded hardest at the bottom.

Your spinal erectors work isometrically and hard. The bar is out in front of your spine at every point in the rep, creating a long lever your erectors have to resist. On heavy RDLs this is often what fails first, and it is why the exercise builds a resilient lower back as a side effect.

The lats have a job that is easy to miss: they hold the bar in against your thighs. If your lats disengage, the bar drifts forward, the lever gets longer, and the load transfers off your hamstrings and onto your lower back.

This is a stretch-mediated exercise, not a maximal-strength one. Treat the bottom position as the point of the movement rather than something to rush through.

How to do the romanian deadlift

Setup

  1. 1

    Load the bar and take it from a rack at hip height if you can. Deadlifting it off the floor first is fine but wastes energy on your working sets.

  2. 2

    Stand with feet hip-width apart — narrower than your squat stance — with the bar touching your thighs.

  3. 3

    Grip just outside your legs, double overhand. Use straps once grip becomes the limiting factor; there is no reason to let your forearms cap your hamstring training.

  4. 4

    Pull your shoulder blades down and back and squeeze your lats so the bar stays glued to your legs.

  5. 5

    Soften your knees to roughly 15–20 degrees of bend and lock that angle in. It should not change for the rest of the set.

  6. 6

    Take a breath, brace your abs, and set a neutral spine from your head to your tailbone.

Execution

  1. 1

    Initiate by pushing your hips straight backward — not by bending your knees and not by leaning forward from the chest.

  2. 2

    Let your torso descend as a consequence of your hips travelling back, keeping the bar in contact with or grazing your thighs the whole way.

  3. 3

    Keep dragging the bar down your legs until you feel a strong stretch in your hamstrings and your hips can travel no further back without your spine rounding. For most lifters that is somewhere between just below the knee and mid-shin.

  4. 4

    Stop there. The floor is not the target — your hamstring flexibility is.

  5. 5

    Reverse the movement by driving your hips forward into the bar, squeezing your glutes as you approach standing.

  6. 6

    Finish standing tall with hips fully extended. Do not lean back at the top or squeeze so hard you hyperextend your lower back.

Common romanian deadlift mistakes

Turning it into a squat

The knees bend progressively as the bar descends. This shortens the hamstrings at the knee as they lengthen at the hip, so the net stretch — the entire reason you are doing the exercise — mostly disappears.

The fix: Set your knee angle at the start and keep it. Filming a set from the side is the fastest diagnostic; the knee should look almost frozen while the hips move.

Rounding the lower back to reach further

Chasing more range once the hamstrings have run out of length. The extra range comes from lumbar flexion rather than hip flexion, loading the spine in a poor position.

The fix: End the rep where your hamstring stretch ends. If you want more range, work on hamstring flexibility over weeks — or elevate yourself on a low platform once your technique is solid.

Letting the bar drift away from the legs

The bar swings out in front, dramatically lengthening the lever arm on the spine and taking tension off the hamstrings.

The fix: Actively engage the lats and think about shaving the hair off your thighs with the bar. If it still drifts, the weight is too heavy.

Going too heavy

The RDL is an accessory lift that people try to train like a competition deadlift. Heavy loads combined with a stretched position and a fatigued lower back is the most common way lifters tweak their back.

The fix: Keep 1–3 reps in reserve and prioritise range of motion and control over load. If your form changes on the last two reps of a set, that set was too heavy.

Feeling it mostly in the lower back

You finish sets with a pumped, fatigued lower back and no hamstring soreness at all. Almost always a sign of spinal rounding, a drifting bar, or too much weight.

The fix: Drop the load by a third and rebuild the pattern. You should feel a distinct hamstring stretch at the bottom of every rep — if you never feel it, the pattern is wrong, not your anatomy.

How many sets and reps?

GoalSetsRepsLoadRest
Hypertrophy3–48–12Moderate, 1–3 RIR2–3 min
Strength3–45–8Heavier, 2 RIR3 min
Technique / recovery2–310–15Light90 s

Place RDLs after your main squat or deadlift, not before — a pre-fatigued lower back makes the position harder to hold safely. Twice a week is plenty. Because the exercise loads the hamstrings under stretch it produces more soreness than most movements, so introduce it gradually rather than starting with four hard sets.

Romanian Deadlift variations and alternatives

Dumbbell Romanian Deadlift

Easier

Dumbbells let you scale the load in small increments and travel slightly past the bar's path. The easiest way to learn the hinge before loading it heavily.

Single-Leg Romanian Deadlift

Harder

Adds a large balance demand and loads each hamstring independently. Excellent for exposing side-to-side differences, but keep the load light.

Deficit Romanian Deadlift

Harder

Standing on a low platform extends the range of motion and increases the stretch. Only worth doing once you can hold a neutral spine through a full standard RDL.

Seated Leg Curl

Alternative

Trains the hamstrings at the knee rather than the hip, which the RDL barely does. Not a replacement so much as the other half of complete hamstring training — run both.

Good Morning

Alternative

The same hinge pattern with the bar on your back instead of in your hands. Much greater spinal loading for the same hamstring stimulus, so treat it as a specialty lift.

Frequently asked questions

What is the difference between a Romanian deadlift and a conventional deadlift?

A conventional deadlift starts from the floor with bent knees and is a whole-body pull built for maximum load. A Romanian deadlift starts from standing, keeps a fixed soft knee angle, and never touches the floor — it is a targeted hamstring and glute exercise. Conventional deadlifts train your ability to pull heavy; RDLs build the muscles that do the pulling.

How is an RDL different from a stiff-leg deadlift?

The two names get used interchangeably, but conventionally the stiff-leg deadlift starts from the floor each rep and uses a straighter knee, while the Romanian deadlift starts from the top and stops before the floor. In practice the RDL keeps constant tension on the hamstrings, which is why it is the more common hypertrophy choice.

How low should I go on a Romanian deadlift?

As low as you can go while keeping your spine neutral and your knee angle fixed — usually somewhere between just below the knee and mid-shin. The correct depth is set by your hamstring flexibility, not by the plates touching the floor. If your back rounds to get lower, you have gone past your range.

Should I feel Romanian deadlifts in my lower back?

Some lower-back fatigue is normal because your erectors work isometrically throughout. But if your lower back is the dominant sensation and your hamstrings feel nothing, something is wrong — typically spinal rounding, a bar drifting away from your legs, or simply too much weight. Reduce the load and rebuild the pattern.

How heavy should Romanian deadlifts be?

Lighter than you think. Most lifters get the best results in the 8–12 rep range with 1–3 reps left in reserve. The stimulus comes from the stretch and the control, not the number on the bar. If holding position through the last rep requires a change in technique, the weight is too heavy.

Hercules tracks every romanian deadlift you log, shows you last session's numbers before you lift, and flags when your progress stalls.

Download on Google Play