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Cable Crunch

A weighted, kneeling crunch that adds progressive resistance to a movement bodyweight crunches eventually outgrow.

Setup

Kneel facing a high cable pulley. Hold a rope attachment behind your head or at your shoulders.

Movement

Crunch down by rounding your spine. Curl your torso down toward your knees, leading with your chest moving toward your hips — not just bending at the hips. Squeeze your abs at the bottom. The contraction at the bottom of the crunch is where the targeted muscle work happens.

Return

Return with control. Uncurl back to the starting position, resisting the cable rather than letting it pull you back up quickly.

Common Mistake to Avoid

Bending at the hips instead of curling the spine. A hip-hinge motion turns this into something closer to a different exercise — the spine itself should be rounding.

Equipment Cable machine, rope attachment
Primary Muscles Abs (rectus abdominis)
Secondary Muscles None significant

Why it matters

Bodyweight crunches become less effective as ab strength increases, since there's no way to add resistance. The cable crunch solves that by letting you load the movement with weight, making it one of the more scalable ab exercises as your strength improves over time.

How to do it

  1. Kneel facing a high cable pulley. Hold a rope attachment behind your head or at your shoulders.
  2. Crunch down by rounding your spine. Curl your torso down toward your knees, leading with your chest moving toward your hips — not just bending at the hips.
  3. Squeeze your abs at the bottom. The contraction at the bottom of the crunch is where the targeted muscle work happens.
  4. Return with control. Uncurl back to the starting position, resisting the cable rather than letting it pull you back up quickly.

Common mistakes

  • Bending at the hips instead of curling the spine. A hip-hinge motion turns this into something closer to a different exercise — the spine itself should be rounding.
  • Using the arms to pull the weight down. Your arms should stay in a fixed position relative to your head — the crunch motion should come from your torso, not your arms.
  • Using too much weight. Excess weight often leads to using momentum or the hips instead of isolating the abs.
  • Rushing the rep. A controlled tempo through both the crunch and the return matters more than speed.

Sets & reps by level

Beginner

3 sets of 12–15 reps with light weight, focusing on the spinal curl rather than a hip hinge.

Intermediate

3–4 sets of 10–12 reps at a moderate, challenging weight.

Advanced

4 sets of 10–15 reps, increasing weight progressively as strength improves.

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