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Exercises

Seated leg curl alternatives: keep the curl and the stretch

Published October 23, 2026

The best seated leg curl alternative is the lying leg curl: the same knee curl, though with your hips straight your hamstrings start each rep less stretched. To get that stretch back, pair it with a Romanian or stiff-leg deadlift, which load your hamstrings with your hips bent. With no curl machine, a cable leg curl or a glute ham raise on the lat pulldown keeps the curl, and at home a stability ball leg curl or Nordic hamstring curl does it with your bodyweight.

What a seated leg curl alternative has to replace

The seated leg curl trains your hamstrings by curling your heels under the seat while your hips are bent. Sitting puts your hamstrings on a stretch before the curl even starts, so they work hard from a long position all the way to the end of the curl.

A replacement has to keep the knee curl, and ideally that stretch. No other curl has your hips bent as far, so the best plan is a curl plus a hinge like the Romanian deadlift, which loads your hamstrings with your hips bent.

How to do the seated leg curl

Other curl machines and cables

When the seated curl is taken, another curl keeps the knee bend with the same sets and reps.

Closest machine swap

Lying Leg Curl

Hamstrings

The same knee curl on the machine that usually sits next to the seated one. Your hips are straight, so the hamstrings start less stretched; add a hinge in the same session to make up for it.

How to do it

  1. Adjust the roller so it rests on your lower calves, with your knees just past the end of the pad.
  2. Lie chest-down, grip the handles, and press your hips into the bench.
  3. Curl the roller toward your glutes as far as it goes.
  4. Lower it over a slow count of three and repeat.

Cues

  • Hips glued down
  • Full curl, slow lowering
  • Toes pulled toward shins

Common mistakes

  • Hips popping up at the top: reduce the weight until they stay flat.
  • Bouncing at the bottom: keep the stack from touching between reps.
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Curl with your hip partly bent

Kneeling Leg Curl

Hamstrings

Kneeling puts your hip partly bent, so it sits between the lying and seated curls for stretch. It works one leg at a time.

How to do it

  1. Kneel with one knee on the knee rest and the other leg's ankle hooked under the roller pad, forearms on the support.
  2. Keep your back flat and your hips square to the machine.
  3. Curl your heel toward your glutes as far as the machine allows.
  4. Return over two to three seconds to an almost straight leg, finish the set, and switch legs.

Cues

  • Square hips
  • Heel to glutes
  • Long, slow return

Common mistakes

  • Arching your lower back to swing the weight up: brace your abs and use a weight you can lift with the knee alone.
  • Rushing the lowering half: the slow return is where most of the work happens on a curl.
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One leg at a time, lying

Single-Leg Leg Curl

Hamstrings

A lying curl one leg at a time, so your stronger side can't help the weaker one. Start each set with the weaker leg.

How to do it

  1. Lie chest-down on the bench with both ankles under their pads and your knees just past the end of the bench.
  2. Hold the handles and keep your hips pressed down.
  3. Curl one leg toward your glutes while the other stays straight and relaxed.
  4. Lower it under control, finish all reps on that side, then switch. Start each set with your weaker leg.

Cues

  • Weaker leg first
  • Hips flat the whole set
  • Same reps both sides

Common mistakes

  • Twisting your pelvis toward the working leg: lighten the load until both hip bones stay on the pad.
  • Doing more reps on the strong side: match the weaker leg's count, then stop.
Build a session with Single-Leg Leg Curl

Best swap with a cable stack

Cable Leg Curl

Hamstrings

An ankle strap on a low pulley gives you a standing curl with small weight jumps. Lean your chest slightly forward to bend your hip and add some stretch.

How to do it

  1. Strap your working ankle to the low pulley, face the machine, and hold the frame for balance.
  2. Stand tall with your thighs lined up and the working knee slightly behind the standing one.
  3. Curl your heel up toward your glutes without letting the thigh swing forward.
  4. Pause at the top, then lower slowly until the leg is straight. Finish the set and switch legs.

Cues

  • Thigh stays put
  • Heel to glute
  • Slow on the way down

Common mistakes

  • Swinging the thigh forward to finish the rep: keep the knee pointed at the floor.
  • Rushing the lowering: take two seconds to straighten the leg.
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Hardest gym swap

Glute Ham Raise

Hamstrings, Glutes

A raise on the lat pulldown curls your bodyweight with the stack helping, and trains your hamstrings at the hip too. It is much harder than a machine curl, so expect fewer reps.

How to do it

  1. Face away from a lat pulldown and kneel on its seat, calves locked under the thigh pads.
  2. Hold the pulldown bar across the back of your shoulders; a heavier stack gives you more help.
  3. Keep your hips straight and lean your body forward as one piece until it is close to level with the floor.
  4. Curl yourself back up by pulling your heels into the pads.

Cues

  • Hips locked straight
  • Lean as one piece
  • Heavier stack if form breaks

Common mistakes

  • Folding at the hips on the way up: add assistance until you can rise in one straight line.
  • Falling through the bottom: control the lowering just as much as the lift.
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Hinges for the stretch

These load your hamstrings with your hips bent, the stretch a curl lying or standing can't give you.

Best swap for the stretch

Romanian Deadlift

Hamstrings, Glutes

It loads your hamstrings with your hips bent, the stretched position the seated curl is valued for, and it takes more weight than any curl. It skips the knee bend, so pair it with a curl.

How to do it

  1. Stand with a barbell at your thighs, hands just outside your legs, feet under your hips.
  2. Soften your knees and push your hips back, sliding the bar down your thighs.
  3. Stop when your hamstrings are fully stretched, usually just below the knee, with your back flat.
  4. Push your hips forward to stand up, glutes tight at the top.

Cues

  • Hips back
  • Bar stays on your legs
  • Back flat

Common mistakes

  • Bending the knees into a squat: keep them soft and still.
  • Reaching for the floor: stop where your back would round.
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Even longer stretch with a barbell

Stiff-Leg Deadlift

Hamstrings, Glutes

Straighter knees than a Romanian deadlift and a lower reach put your hamstrings on an even longer stretch. Start lighter than your Romanian deadlift.

How to do it

  1. Stand with the bar resting on your thighs, feet hip-width, overhand grip just outside your legs.
  2. Keep your legs nearly straight, with just enough bend that your knees are not locked.
  3. Fold forward from the hips, keeping the bar close and your back flat, until you feel a hard stretch in the back of your legs.
  4. Pull your hips forward until you are standing tall again.

Cues

  • Legs long, not locked
  • Bar close to the shins
  • Stop at the stretch

Common mistakes

  • Locking your knees fully: keep a slight bend so the stretch sits in your hamstrings, not the back of the knee.
  • Using your Romanian deadlift weight: start lighter until you know where your range ends.
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Best swap with dumbbells

Dumbbell Romanian Deadlift

Hamstrings, Glutes

The same hip-bent stretch with two dumbbells. With a light pair, slow the lowering and take sets close to failure.

How to do it

  1. Stand hip-width apart with a dumbbell in each hand resting against the front of your thighs, palms facing you.
  2. Push your hips straight back and let your torso fold forward, knees softly bent, the dumbbells brushing your legs.
  3. Lower until the dumbbells pass your knees and you feel a strong stretch in your hamstrings, with your back still flat.
  4. Drive your hips forward to stand back up, squeezing your glutes at the top, and repeat.

Cues

  • Hips back, not down
  • Dumbbells slide down your legs
  • Flat back, chin tucked

Common mistakes

  • Bending the knees into a squat so the dumbbells go lower: the depth comes from your hips, and most people stop just past the knees.
  • Rounding your lower back at the bottom: end the rep where your back stays flat, and lighten the load if that is high.
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At home: bodyweight, a ball or a band

No machine at all: these keep the knee curl with your bodyweight or a band as the load.

Best swap with no equipment

Nordic Hamstring Curl

Hamstrings

A knee curl with your whole bodyweight as the load, worked mostly on the way down. Hook your feet under a couch; most people control only part of the lowering at first.

How to do it

  1. Kneel on a cushion with your ankles pinned under a couch or held by a partner, your body upright from knees to head.
  2. Squeeze your glutes and lower your torso forward as slowly as you can, bending only at the knees.
  3. When your hamstrings can't hold you, catch yourself with your hands on the floor.
  4. Push off the floor lightly and pull with your hamstrings to come back up to kneeling.

Cues

  • Hips stay open, no folding
  • Lower as slowly as possible
  • Hands catch, then help up

Common mistakes

  • Bending at the hips to make the lowering easier: keep a straight line from knees to shoulders.
  • Dropping to the floor after a few inches: fight it the whole way down; the slow lowering is the rep.
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Best swap with an exercise ball

Stability Ball Leg Curl

Hamstrings

Holding your hips up while you roll the ball in gives you a hard knee curl with no machine.

How to do it

  1. Lie face up with your heels and lower calves on a stability ball and your arms flat on the floor beside you.
  2. Dig your heels into the ball and raise your hips until shoulders, hips and feet line up.
  3. Keeping your hips high, pull the ball in toward your glutes until your feet are flat on top of it.
  4. Roll the ball back out slowly until your legs are straight again, without letting your hips sag.

Cues

  • Hips up before you curl
  • Heels dig into the ball
  • Slow on the way out

Common mistakes

  • Letting your hips drop as the ball rolls in: the curl gets easier because your hamstrings stop holding the bridge.
  • Rushing the roll-out: take two to three seconds on it.
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Lightest swap, a mini band

Band Leg Curl

Hamstrings

A mini band around your ankles is enough for a standing curl. It is light, so use high reps or finish a session with it.

How to do it

  1. Put a mini loop band around both ankles and stand tall, holding a wall or chair for balance.
  2. Keep your thighs side by side.
  3. Bend one knee and lift that heel toward your glutes as high as you can.
  4. Lower it slowly. Finish the set, then switch legs.

Cues

  • Knees side by side
  • Heel to glutes
  • Slow return

Common mistakes

  • Swinging the thigh back to finish the curl: keep both knees level.
  • Leaning forward: stand tall and hold onto support.
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Example sessions without the seated leg curl

Session 1

Gym, seated curl taken or missing

Open in the session builder
  • Workouts2× a week
  • Working sets22 a week
  • Per workout~30 min
  • EquipmentBarbells, Glute-Ham Bench, Lying Leg Curl

You train in a gym with a barbell, a lat pulldown and other curl machines, but no seated leg curl.

The stiff-leg deadlift gives back the long hamstring stretch, the glute ham raise adds a hard curl, and the lying and kneeling curls take over the machine work. 11 working sets.

Hamstrings
ExerciseSets × repsRIRRest
Stiff-Leg Deadlift1 warm-up set first 3 × 8–10 2 2:30 min
Glute Ham Raise 2 × 6–10 2 2 min
Lying Leg Curl 3 × 8–12 1 90 s
Kneeling Leg CurlSets are per leg. 3 × 10–12 1 1 min
How to run it
Run it as the hamstring part of your leg day, once or twice a week.
How to progress
When every set reaches the top of its rep range at the RIR shown, add the smallest weight jump next session and start again at the bottom. On the glute ham raise, take weight off the stack as you get stronger, since it is helping you.
Open in the session builder

Session 2

Home, dumbbells and a mini band

Open in the session builder
  • Workouts2× a week
  • Working sets22 a week
  • Per workout~30 min
  • EquipmentDumbbells, Resistance Bands

You have a pair of dumbbells, a mini band and a couch to hook your feet under.

Dumbbell Romanian deadlifts give you the hip-bent stretch, Nordic curls the heavy knee curl, and band curls the high-rep finish. 11 working sets.

Hamstrings
ExerciseSets × repsRIRRest
Dumbbell Romanian Deadlift1 warm-up set first 4 × 8–12 1 90 s
Nordic Hamstring CurlLower as slowly as you can. 3 × 3–6 1 2:30 min
Band Leg CurlSets are per leg. 4 × 15–25 1 45 s
How to run it
Twice a week, not on back-to-back days. Take three seconds to lower each Romanian deadlift.
How to progress
Add reps until every set hits the top of its range, then move up a dumbbell. On the Nordic curl, lower a little further each week before adding reps.
Open in the session builder

Session 3

Gym with no curl machines at all

Open in the session builder
  • Workouts2× a week
  • Working sets20 a week
  • Per workout~30 min
  • EquipmentBarbells, Adjustable Cable, Exercise Ball

Your gym has barbells, a cable stack and exercise balls, but no leg curl machine of any kind.

A heavy Romanian deadlift covers the stretch and most of the load, and the cable and ball curls keep the knee bend the seated curl trained. 10 working sets.

Hamstrings
ExerciseSets × repsRIRRest
Romanian Deadlift2 warm-up sets first 4 × 6–10 2 3 min
Cable Leg CurlSets are per leg. 3 × 10–15 1 1 min
Stability Ball Leg Curl 3 × 10–15 1 1 min
How to run it
Once or twice a week. Rest the full time on the Romanian deadlift; the curls go on shorter rest.
How to progress
When every Romanian deadlift set hits 10 reps at the RIR shown, add 5 to 10 lb. On the curls, add reps to the top of the range, then add weight or a two-second hold at the top.
Open in the session builder

Make it fit you

Questions

What can I do instead of a seated leg curl?

The lying leg curl is the closest swap. Add a Romanian deadlift to get back the hip-bent stretch, or use a cable leg curl, stability ball leg curl or Nordic curl if there is no curl machine.

Can I do a seated hamstring curl without a machine?

Not with the hips bent the same way, but a stability ball leg curl, Nordic curl or standing band leg curl all train the same knee curl. Pair one with a dumbbell Romanian deadlift for the stretch.

Which leg curl is most effective?

Both build your hamstrings. The seated version trains them from a longer stretch, so many lifters prefer it, but the best one is the one you can load and add reps to week after week.

What are some variations of hamstring curls?

Seated, lying, kneeling and single-leg machine curls, cable curls, stability ball curls, suspension strap curls, band curls and the Nordic hamstring curl.

What can I do instead of a single-leg hamstring curl?

A cable leg curl or kneeling leg curl also works one leg at a time. With no machines, use a single-leg RDL for the hip side of your hamstrings.

What are the top 3 hamstring exercises?

A Romanian deadlift, a leg curl (seated or lying) and the Nordic hamstring curl give you a heavy hinge, a loaded curl and a hard lowering.