Sumo Deadlift: How to Do It, Muscles Worked and Sumo vs Conventional

The sumo deadlift is a deadlift performed with a wide stance and your hands gripping the bar inside your knees. That wide set-up keeps your torso more upright and shortens the distance the bar has to travel, which is why so many lifters find it kinder on the lower back and, for some, a way to pull more weight. It works nearly every muscle on the back of your body along with your quads and inner thighs, and it is a brilliant option if the conventional deadlift bothers your back or you simply want variety. Here is how to do it, the muscles it targets, and how it stacks up against the conventional pull.

How to do a sumo deadlift

You need a barbell and, once you progress, some plates to bring the bar to a standard height. Approach the bar so it sits over the middle of your feet.

1. Set your stance. Step out wide, feet well past shoulder-width, with your toes turned out to around 30 to 45 degrees. Your shins should be close to the bar.
2. Grip the bar. Hinge at the hips and bend your knees to reach down and take a shoulder-width grip, hands inside your knees. Keep your arms straight and vertical.
3. Set your position. Drop your hips, push your knees out in line with your toes, lift your chest and pull your shoulders back. Your back should be flat, your shins near vertical and your weight through your mid-foot and heels.
4. Brace and take the slack out. Take a big breath into your belly and brace your core hard. Pull gently up on the bar so it is tight against the plates before you lift, removing the slack.
5. Drive up. Push your feet hard into the floor, spread the floor apart with your feet, and stand up by driving your hips forward. Keep the bar close to your body the whole way.
6. Lock out and lower. Finish standing tall with your hips fully extended and your shoulders back. Do not lean back. Then push your hips back and lower the bar under control to the floor, resetting before the next rep.

Muscles worked

The sumo deadlift is a true full-body pull, with the emphasis tilted towards the hips, quads and inner thighs.

• Glutes. Your glute max is a primary mover, driving your hips forward to lock out the lift. The wide stance puts them under a strong load.
• Quadriceps. The upright torso and more bent-knee start mean the quads do more work in sumo than in conventional. Classic research measuring muscle activity found greater quad involvement in the sumo style (EMG analysis of sumo and conventional deadlifts).
• Adductors. Your inner thighs work hard to control the wide stance and help extend the hips, which is a signature of the sumo pull.
• Hamstrings. The back of your thighs assist the glutes in extending your hips throughout the lift.
• Back and traps. Your spinal erectors keep your back rigid, while your lats, upper back and traps hold the bar path tight and your shoulders in place. A systematic review of deadlift variations confirms just how much back and hip musculature every style of deadlift recruits (review of muscle activity in the deadlift and its variants).
• Grip and core. Your forearms fight to hold the bar and your core braces to protect your spine under load.

To keep progressing, a good barbell is the one piece of kit worth investing in. See our guide to the best barbell in the UK, and once the weight climbs, a pair of lifting straps can save your grip from limiting your pulls.

Sumo vs conventional deadlift

Both lifts are excellent, and the right one for you comes down to your build, your mobility and how your body responds.

• Bar travel and torso angle. Sumo shortens the range the bar moves and keeps your torso more upright. Conventional has a longer pull with more forward lean.
• Lower back stress. Because the torso stays more vertical, sumo places less shear stress on the lower back, which is why lifters with cranky backs often prefer it.
• Muscle emphasis. Sumo leans a little more on the quads and adductors, conventional a little more on the lower back and, for many, the hamstrings. The difference is real but modest, since both hammer the whole posterior chain.
• Sticking point. Sumo is usually hardest right off the floor, so the first few centimetres decide the lift. Conventional is more often hardest at the lockout.
• Who suits which. As a rough guide, sumo tends to favour longer torsos, shorter arms and good hip mobility, while conventional tends to favour longer arms and strong backs. These are tendencies, not rules.

The honest answer is to try both. Spend a few weeks with each, keep the version you feel strongest and most comfortable pulling, and feel free to rotate them through the year. If you want the full walkthrough of the standard pull, see our conventional deadlift guide, and for a hamstring-focused hinge, the Romanian deadlift is a great accessory.

Common mistakes

Hips rising first. If your hips shoot up before the bar moves, you turn the lift into a stiff-legged pull and load your lower back. Drive with your legs and hips together so the bar and your shoulders rise at the same rate.

Knees caving in. Letting your knees collapse inward wastes power and stresses the joint. Actively push your knees out over your toes from set-up to lockout.

Rounding the back. A rounded lower back under a heavy bar is the classic injury risk. Set a flat, braced spine before you pull and keep it. If you cannot hold the position, the weight is too heavy.

Bar drifting forward. If the bar swings away from your shins, your hips take over and the lift gets much harder. Keep the bar dragging up close to your legs, almost touching, the whole way.

Not taking out the slack. Yanking a loose bar off the floor jolts your spine. Pull the tension into the bar first, feel it tighten against the plates, then drive.

Sets and reps

A simple framework depending on your goal:

• Strength: 3 to 5 sets of 3 to 6 reps with a heavy, controlled load. Rest 2 to 3 minutes.
• Muscle and general fitness: 3 to 4 sets of 6 to 10 reps. Rest 90 seconds to 2 minutes.
• Technique: 4 to 5 sets of 3 reps at a light to moderate weight, focusing only on the set-up and a clean bar path.

Deadlifts are demanding, so one or two sessions a week is plenty. The NHS recommends muscle-strengthening exercise for all the major muscle groups on at least two days a week, and a couple of sumo or conventional deadlift sessions covers the legs, hips and back in one move. Add weight only when your form stays clean on every rep, and use a weightlifting belt for your heaviest sets once you have the technique down.

Recommended reads

1. How to deadlift (conventional)
2. Romanian deadlift technique guide
3. The best barbell in the UK
4. The best weightlifting belt in the UK