Bayesian Curl: How to Do the Bayesian Cable Curl Properly
How to do the Bayesian curl: setup, form cues, what the research says about the stretched position, common mistakes, home band version and a simple plan.
By Nadia Popescu, Strength & Conditioning Writer · Updated 18 October 2026
The straight arm pulldown trains shoulder extension with your elbows locked, so your lats move the weight without help from your biceps. Any decent straight arm pulldown alternative has to keep that arm path (from roughly overhead down to your thighs) and keep your elbows fixed. At home, the band straight-arm pulldown is the closest swap. With a bench and a dumbbell, the dumbbell pullover does the same job through a different part of the range. In a gym where the cable station is taken or you want variety, the lat prayer and the kneeling single-arm cable version are the two worth learning first.
Below are eight options, sorted roughly from most to least similar, with the cues that make each one actually hit your lats.
| Kit you have | Best swap | Also good |
|---|---|---|
| Resistance band and a door anchor or bar | Band straight-arm pulldown | Kneeling band pulldown (straight arms) |
| Dumbbell or kettlebell plus a bench | Dumbbell pullover | Chest-supported straight-arm pullback |
| Cable station or pulley | Lat prayer | Kneeling single-arm cable pulldown |
| Cable and a bench | Lying cable lat pullover | Machine pullover, if your gym has one |
Most back exercises are compound: in a row, a pull-up or a lat pulldown your elbows bend, so your biceps and forearms share the load and often give out first. Take elbow flexion out of the picture and the lats (with help from the teres major, rear delts and long head of the triceps) are left doing nearly all the work.
That matters because shoulder extension appears to be what the lats respond to most strongly. A 2026 high-density EMG study in 20 healthy adults compared isometric shoulder extension, adduction, internal rotation and side bending, and found shoulder extension produced higher lat activity than every other task tested, especially in the upper (thoracic) part of the muscle. It was isometric work in a lab, not a training study, but it supports the logic of choosing substitutes by joint action rather than by which machine they look like.
So the test for any alternative is simple. Do your elbows stay fixed? Does your upper arm travel from in front of or above you down towards your hips? If both answers are yes, you're in the right family.
This is the straight swap and the one most people should use. Loop a long resistance band over a pull-up bar or through a door anchor fixed at the top of the door, take an end in each hand and walk back until there's tension with your arms raised in front at about head height.
Bands get harder as they stretch, so the bottom (where your lats are shortest) is the toughest point. That's the opposite of a dumbbell pullover, and it suits this movement well. If you're buying one, get a long loop band rather than a short mini band, so it reaches from an overhead anchor.
If your door anchor sits lower, or a standing version keeps turning into a crunch, kneel facing the anchor instead. Kneeling stops you from bending your torso forward to cheat the band down. Range is a bit shorter, but the movement is stricter, and it's a good choice if you're just learning to feel your lats.
Lie on a flat bench (lengthways, or across it with your shoulders supported and hips dropped), hold one dumbbell by the inner plate with both hands above your chest and lower it in an arc behind your head with a slight elbow bend. Pull it back over your face to finish.
The pullover is a genuine shoulder extension exercise, but its resistance curve differs from the cable's. Because the load only fights gravity, it's heaviest with your arms overhead and almost weightless once the dumbbell is above your chest. A study comparing pullovers and pulldowns in 15 trained men found lat activity changed mainly with shoulder angle rather than with which exercise was used, which is a useful reminder that the range you load matters more than the label on the exercise. Stop each rep around eye level, where tension is still there, rather than pulling the bell all the way to your chest.
To bias your lats rather than your chest, keep your ribs down (don't let your back arch hard over the bench), think about pulling your elbows towards your hips, and use a slightly narrower grip.
Set an adjustable bench at 30 to 45 degrees and lie face down on it with a light dumbbell in each hand, arms hanging straight towards the floor. Keeping your elbows soft and fixed, sweep the dumbbells back past your hips until your hands are level with your torso, pause, then lower.
This one loads the bottom of the straight arm pulldown, the part the pullover misses. You'll need much less weight than you expect (many people start with 4kg to 6kg a hand), and your rear delts will join in. Pair it with the pullover in the same session and you've covered most of the cable's range with two dumbbells and an adjustable bench.
Same pattern as the dumbbell pullover, holding a kettlebell by the horns with the bell hanging below your hands. Some people find it easier to grip than a dumbbell plate, and the weight sits closer to your hands, which makes it feel steadier at the stretch. Treat it as a straight substitute if that's what you own.
Attach a rope (or two single handles) to a high pulley. Stand facing it, take the rope with your arms raised in front, then hinge at the hips as you pull your hands down past your face towards your thighs, finishing in a forward-bent position a little like a bow. Reverse slowly.
The hip hinge lets your arms reach further overhead at the start, so your lats work from a longer stretch, and most lifters can handle a bit more weight than a strict standing pulldown. The common fault is turning it into a cable crunch by curling your spine. Keep your back flat and let your hips do the bending.
Set a single handle at the top of the pulley and half-kneel side-on or kneel facing the stack. Pull the handle down in an arc to your hip with one arm straight, letting your shoulder blade move down and back at the finish.
Working one side at a time lets you line the cable up with the direction of your lat fibres, slightly across your body, and a lot of people find the mind-muscle connection easier here than with a bar. It's also a good way to spot a weaker side.
Put a flat bench lengthways in front of a low pulley, lie with your head nearest the stack and grab a straight bar or rope from behind your head. Pull it over your face down to your hips with arms nearly straight.
This is the pullover with the dumbbell's dead spot removed: the cable keeps tension right through to the bottom. It takes a minute to set up, which is why it's last here, but it's arguably the best lat isolation exercise on the list. If your gym has a plate-loaded or selectorised pullover machine, that does the same job with even less setup.
The one cue that fixes most of these
Lead with your elbows, not your hands. Imagine your hands are hooks and you're driving your upper arms down to your sides. As soon as you think about pushing the handle down with your palms, your triceps take over and your elbows start bending.
Bending and straightening the elbows. This is the big one. Once the elbow angle changes during a rep, you're doing a pushdown. Set the bend at the start and freeze it.
Shrugging at the top. Letting your shoulders ride up towards your ears on the return feels like a stretch, but it shifts work onto your upper traps. Stop the rep a little short of a full shrug.
Going too heavy. Isolation exercises fall apart fast under load. If you can't hold a one-second squeeze at the bottom, take weight off.
Using momentum from the torso. Rocking forward to start each rep (a habit on the lat prayer especially) moves the load with your hips and abs. Keep the hinge angle steady through the pull on everything except the lat prayer, where the hinge is controlled and part of the pattern.
Use your chosen alternative after your main back exercise, whether that's pull-ups, rows or one of the moves in our lat pulldown alternatives guide. Two to four sets of 10 to 15 reps works well, with a 2-second lowering phase and a short pause in the contracted position.
It also works as a warm-up. One or two light sets before pull-ups help a lot of people feel their lats switch on, which can make the heavier pulling that follows feel more stable. If you're training at home, the home gym hub has guides to the benches, bands and dumbbells that cover every option above.
A band straight-arm pulldown is the closest match. Anchor a long loop band high on a door or pull-up bar, step back, hinge slightly and sweep your straight arms down to your thighs. The band copies the cable's angle of pull far better than any free weight, and a medium band costs less than a single dumbbell.
Yes. The dumbbell pullover on a flat bench trains the same shoulder extension with straight (or very slightly bent) arms. The catch is that gravity pulls straight down, so the dumbbell is hardest when your arms are behind your head and goes slack once they pass your face. A chest-supported straight-arm pullback on an incline bench loads the other end of the range, so pairing the two covers most of what the cable does.
It's a close cousin. The lat prayer uses a rope or single handles on a high pulley, and you hinge forward at the hips as your arms come down, which lets your lats work through a longer stretch at the top. Most people can also load it a little heavier than a strict standing straight-arm pulldown.
Usually because your elbows are bending and straightening during the rep, which turns the move into a triceps pushdown. Lock a soft bend in your elbows and keep it fixed, think about driving your hands down with your armpits rather than your hands, and drop the weight until you can do that.
Treat any of these as an accessory: 2 to 4 sets of 10 to 15 reps after your main pulling work, with 60 to 90 seconds' rest. They respond better to a controlled tempo and a hard squeeze at the bottom than to heavy, short sets.
How to do the Bayesian curl: setup, form cues, what the research says about the stretched position, common mistakes, home band version and a simple plan.
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