How to Do a Romanian Deadlift: Hinge, Hamstrings, and a Bar That Stays Close

What the RDL Actually Trains

The Romanian deadlift, or RDL, is a hip hinge. You are not lowering the bar by bending your knees and dropping down like a regular deadlift. You are pushing your hips backward toward the wall behind you while your knees stay mostly still. That single difference is what loads your hamstrings and glutes through a long, deep stretch, and it is why the RDL builds the back of your legs better than almost anything else.

Think of the movement as a door hinge. Your hips are the hinge, your torso is the door. The door swings back and down as the hips travel back, then swings up as the hips drive forward. Your spine stays in one rigid line the entire time. Nothing in your back rounds or twists. Get the hinge right and the rest of the lift falls into place.

The Setup

Stand with your feet about hip width, the bar over the middle of your foot, dumbbells at your sides, or a kettlebell in front. Grip a barbell just outside your legs. Pull your shoulders down and back so your chest is tall, and take a breath into your belly to brace your trunk. That brace is your back's seatbelt, so set it before you move and hold it through the rep.

Soften your knees. This is the cue people miss most. Your knees should have a slight, fixed bend, somewhere around fifteen to twenty degrees, and they stay at that bend the whole way down. Soft knees are not bent knees. If your knees keep traveling forward as you lower, you have turned the lift into a squat and shifted the work off your hamstrings.

The Descent: Push the Hips Back

Start the rep by sending your hips straight back, not by bending forward at the waist. Imagine reaching your backside toward a wall a foot behind you. As your hips travel back, your torso naturally tips forward and the bar slides down the front of your thighs. Keep the bar glued to your legs the whole way. A bar that drifts out in front of you is the single fastest way to overload your lower back.

Lower until you feel a strong stretch in your hamstrings, usually when the bar reaches somewhere between your knees and mid shin. For most people the bar stops just below the kneecap. Depth is dictated by your hamstring flexibility, not by touching the floor. The moment your back wants to round to go lower is the moment to stop. That stretch you feel at the bottom is the rep working, so own it rather than rushing past it.

The Lockout: Stand Tall, Squeeze

Reverse the movement by driving your hips forward and pulling them under your shoulders. Picture standing up by pushing the floor away and bringing your belt buckle to the bar. Finish standing fully upright with your glutes squeezed, ribs down, and a tall, neutral spine. Do not lean back or hyperextend at the top. The rep ends when you are simply standing tall, not arched.

Control the tempo. A good RDL is slow and deliberate on the way down, around two to three seconds, with a smooth drive back up. For sets and reps, three to four sets of six to ten reps is a reliable range for building the hamstrings and glutes. Pick a weight where the last rep of a set is challenging but your back stays flat and the bar stays close. Form first, load second.

The Two Mistakes That Ruin Every RDL

Rounding the back is the big one. When your hamstrings run out of stretch and you keep reaching for more depth, your lower back rounds to make up the difference, and the load shifts off your muscles and onto your spine. The fix is to stop at the bottom of your range and not an inch lower. Film a set from the side. If your lower back changes shape during the descent, you went too deep or your brace let go.

Squatting the weight is the other. If your knees drift forward and your hips drop straight down, you have stopped hinging and started squatting, and your quads take over while your hamstrings barely work. The fix is to lock your shins close to vertical and lead every rep with your hips traveling backward. If you feel the burn mostly in the front of your thighs instead of the back of your legs, that is your tell.

This is where having a second set of eyes helps. REPCIR's AI coach can talk you through these cues set by set, prescribe sensible weights for where you actually are, and program the RDL around the equipment you own and any injuries it knows about, so you are not guessing whether to push for more depth or hold the line.

Make It Stick

The RDL rewards consistency more than heroics. Keep the bar close, hinge from the hips, stop where your hamstrings tell you to, and add a little weight only when your last rep still looks like your first. REPCIR tracks those sessions, remembers your numbers, and models how recovered your hamstrings and glutes are from your training history, so it knows when to push you and when to back off. A great lift done patiently for months beats a sloppy one chased for a week.

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