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Exercises

Cable crunch: how to do it standing or kneeling, and how heavy to go

Published October 19, 2026

A cable crunch is a crunch against a weight stack: you hold a rope attached to a high pulley and curl your ribs down toward your hips, so your abs pull against the cable instead of your bodyweight. You can do it standing facing away from the stack or kneeling in front of it. Either way, keep your hips still and round your spine down and in; if your hips move back and forth, you are hinging, not crunching.

Your last cable crunch set

How to do the cable crunch

Bodyweight crunches get easy fast, and adding reps past 30 does little. The cable lets you load the abs like any other muscle, in 10–15 hard reps, and add weight in small steps. Because the cable pulls from above, the abs stay loaded in the finished position where a floor crunch goes slack.

Steps

  1. Attach a rope to a high pulley, pick a moderate weight, and hold one end of the rope in each hand beside your head or at your upper chest.
  2. Standing version: turn away from the stack, take a step forward so the weight lifts, and set your feet hip-width apart with soft knees. Kneeling version: kneel a short step in front of the stack with your hips stacked over your knees.
  3. Keep your hands fixed next to your head and breathe out as you curl your ribs down toward your hips, rounding your upper and middle back.
  4. Squeeze at the bottom for a second, with your elbows heading toward your thighs and your hips still in the same place.
  5. Uncurl slowly back to tall, letting the cable stretch your abs, then start the next rep without resting the stack.

Cues

  • Ribs to hips
  • Hips stay put
  • Round down, not bow forward

Common mistakes

  • Hinging at the hips: if your butt moves back as you go down, your hip flexors and arms take over; lock your hips in place and only round your spine.
  • Pulling with the arms: keep your hands glued to your head so the rope moves only because your torso curls.
  • Going too heavy: if you cannot pause at the bottom, the weight is too much; the abs need control, not a yank.

Swap for: Machine Crunch, Decline Crunch, Reverse Crunch

Muscles the cable crunch works

The cable crunch works the rectus abdominis, the six-pack muscle down the front of your stomach, which curls the spine forward. The obliques at your sides help, and more so if you crunch slightly toward one knee. Your hip flexors should stay quiet; if you feel the front of your hips working, you are bending at the hips instead of the spine.

Sets, reps and reps in reserve for the cable crunch

GoalSets × repsRIRRest
Build ab muscle 3–4 × 10–15 1–2 60–90 s
Pause one second at the bottom of each rep.
Strength and bracing for big lifts 3 × 8–10 2 90 s
Go heavier but keep the hips completely still.
Learning the movement 2–3 × 15 3 60 s
Start kneeling with a light weight until you can feel the curl in your abs.

Cable crunch variations

  • Machine Crunch start position

    Machine Crunch

    Sit at an ab crunch machine when you want a fixed path and an easy way to go heavy.

    Build a session with it
  • Cable Woodchop start position

    Cable Woodchop

    Pull the cable diagonally across your body when you want the obliques and rotation trained too.

    Build a session with it
  • Decline Crunch start position

    Decline Crunch

    Crunch on a decline bench holding a plate when the cable station is busy.

    Build a session with it

Cable crunch alternatives

Lower abs and hanging work

  • Hanging Leg Raise start position

    Hanging Leg Raise

    Hang from a bar and curl your hips up when you want to load the abs from the bottom up.

    Build a session with it
  • Reverse Crunch start position

    Reverse Crunch

    Curl your hips off the floor on your back when you have no equipment.

    Build a session with it

Anti-movement core work

  • Ab Wheel Rollout start position

    Ab Wheel Rollout

    Roll out and back on an ab wheel when you want the abs trained resisting a stretch.

    Build a session with it
  • Pallof Press start position

    Pallof Press

    Press a cable out from your chest and resist the twist when you want core stability for lifting.

    Build a session with it

Standing vs kneeling cable crunch

Kneeling is the classic version: your hips are locked over your knees, so it is easier to keep them still and load heavy. Standing with your back to the stack takes up less room and lets you use the cable while the floor around the station is crowded, but you have to work harder to keep your hips from drifting back. Both train the same muscle. Pick kneeling if you tend to hinge; pick standing if kneeling bothers your knees.

How much weight should you use on cable crunches?

Use a weight that lets you curl down and pause for 10–15 reps with one or two left in reserve. Many people start around a quarter to a third of their body weight on the stack and work up from there. If you can do 20 controlled reps, add a plate; if your hips start moving to finish a rep, take one off.

Will cable crunches give you a six-pack?

Cable crunches build the ab muscles, which makes them thicker and easier to see. Whether you can see them depends on body fat, which training one area does not change. No exercise or plan reliably gets you visible abs in two weeks; the realistic path is a few hard ab sets twice a week plus a diet that gets your body fat down over months.

Questions

Are cable crunches actually effective?

Yes. They let you load the abs with real weight and add resistance over time, which a floor crunch cannot do once it gets easy.

How do you do a weighted cable crunch?

Hold a rope from a high pulley beside your head, keep your hips still, and curl your ribs toward your hips against the weight, then uncurl slowly.

Can you get abs with just cable crunches?

They can build the front abs well, but adding a leg raise and some core stability work covers the rest of your midsection. Seeing your abs also needs low enough body fat.

What exercise will give me a six-pack?

No single exercise does it. A weighted ab exercise like the cable crunch builds the muscle; low body fat makes it visible.

Why do I feel cable crunches in my hips or arms?

You are bending at the hips or pulling the rope with your arms. Keep your hips still and your hands fixed by your head, and lighten the weight.

How many cable crunches should you do?

Three to four sets of 10–15 reps, stopping one or two reps short of failure, twice a week is enough for most people.