WhatWorksWhat.
Abs

Decline Crunch

Upper abs cooking - better range than a floor crunch.

Complexity · Lowhypertrophybeginner+Bench
  • Abs
  • Abs - Upper abs
  • Upper abs
  • Lower abs

PrimarySecondary

What it hits

Parts of the target muscle.

  • Upper abs

    Hit

    Crunches - ribs move toward pelvis.

  • Lower abs

    Not hit

    Leg raises - pelvis moves toward ribs.

The movement

Get it right, not roughly right.

Optimal form

4:52· Colossus Fitness

How to PROPERLY Cable Crunch to Shape Your Abs (How to Kneeling Cable Abdominal Crunch)

Lying flat

Crunched

Decline bench, feet hooked. Hands at the temples (not behind the head). Crunch up by curling the spine - ribs toward the pelvis. Stop just before the torso reaches vertical. Lower in 2s.

Common mistakes

  • Pulling on the neck with the hands.
  • Sitting all the way up - turns into a hip-flexor exercise.

Where you should feel it

Upper abs cooking - better range than a floor crunch.

Injury risk · 2/10

Variations

Same movement, moved emphasis.

Ranked by how directly each variation still trains abs. 80%+ means the target barely changes. Below 60%, the emphasis has meaningfully shifted — useful for variety, but less precise for the specific part. The label calls it at a glance.

  • Weighted decline crunch

    Plate held at the chest or above the head.

    100% on target

    On target

    Same target, minor adjustment.

  • Twisting decline crunch

    Elbow to opposite knee.

    90% on target

    On target

    Adds obliques.

Compare with another exercise

Cool-down

Worked it. Walk it back down.

A couple of minutes here pays back in soreness avoided tomorrow. Browse the full library.

  • Cobra Pose

    Lying face-down, hands under the shoulders. Press the chest up by extending the back. Hips stay on the floor. 30s. Antidote to a long day of crunches and sitting.

    AbsFront deltsChest

  • Kneeling Hip Flexor Stretch

    Half-kneeling lunge. Squeeze the rear glute hard, tuck the pelvis. Optional: same-side arm overhead for a deeper hip-flexor + lat stretch. 60s per side.

    QuadsFront deltsAbs