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Cable Crunch

The Cable Crunch primarily targets your Abdominals. It requires cable and is best suited to beginner lifters.

Beginner level · Equipment: Cable · Isolation · Pull

Primary muscles: Abdominals

How to perform Cable Crunch

  1. Step 1. Kneel below a high pulley that contains a rope attachment.
  2. Step 2. Grasp cable rope attachment and lower the rope until your hands are placed next to your face.
  3. Step 3. Flex your hips slightly and allow the weight to hyperextend the lower back. This will be your starting position.
  4. Step 4. With the hips stationary, flex the waist as you contract the abs so that the elbows travel towards the middle of the thighs. Exhale as you perform this portion of the movement and hold the contraction for a second.
  5. Step 5. Slowly return to the starting position as you inhale. Tip: Make sure that you keep constant tension on the abs throughout the movement. Also, do not choose a weight so heavy that the lower back handles the brunt of the work.
  6. Step 6. Repeat for the recommended amount of repetitions.

Frequently asked questions

How do I ensure I am targeting my abs rather than my hip flexors?

Keep your hips locked in a high position and focus on curling your ribcage toward your pelvis. Avoid sitting back onto your heels, which shifts the tension away from the rectus abdominis.

What are the primary muscles worked during a cable crunch?

The primary mover is the rectus abdominis, specifically the upper and middle fibers. The obliques act as stabilizers to maintain trunk position throughout the eccentric and concentric phases.

What is a common mistake to avoid when performing this exercise?

Using the arms to pull the weight down rather than the core is a frequent error. Keep your hands fixed near your head or neck and move only by flexing your spine.

Is there a beginner-friendly alternative if the cable machine is unavailable?

The floor crunch or a weighted sit-up provides a similar spinal flexion pattern. Beginners can also use a resistance band anchored to a high point to mimic the cable machine mechanics.

How should I program cable crunches for hypertrophy?

Perform 3 to 4 sets of 10 to 15 controlled repetitions twice per week. Focus on a slow eccentric phase and a hard contraction at the bottom of the movement.

Sample sets & reps for Cable Crunch

  • Beginner endurance: 3 sets × 8-12 reps, 60-90s rest. RPE 6-7, leave 3 reps in reserve.
  • Hypertrophy: 4 sets × 12-20 reps, 60s rest. RPE 8, last set to failure.
  • Conditioning: 3-5 sets × AMRAP for 30-45s, 30-60s rest. Steady pace, controlled tempo.

Pick the scheme that matches your goal. Beginners should start at the lower end of every range; progress weight only when you hit the upper end of the rep range with one or two reps in reserve.

Related Abdominals exercises

  • 3/4 Sit-Up — bodyweight
  • Ab Crunch Machine — machine
  • Ab Roller — other
  • Advanced Kettlebell Windmill — kettlebell
  • Air Bike — bodyweight

See all Abdominals exercises →

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