Hollow vs Heel Touch Crunch

Which one fits your Core workout plan?

Contents

Planfit users log Heel Touch Crunch more often — 6,346 sessions vs 426. Compare Core form, muscles worked, and when to use each.

Compare the benefits of Hollow and Heel Touch Crunch and pick the one that fits your Core workout.

Hollow vs Heel Touch Crunch: Which Do Planfit Users Choose?

Based on randomly selected data from 1 million completed workouts, Planfit users log Heel Touch Crunch more often — 6,346 sessions compared to 426 for Hollow.

What most people do isn't always what fits you. Hollow and Heel Touch Crunch differ in the muscles they work, the equipment they need, and how hard they are to learn — the comparison below covers each.

How Hollow and Heel Touch Crunch Differ

What differsHollowHeel Touch Crunch
Muscles workedabs and quadsabs
Difficulty5 of 51 of 5
Sessions logged by Planfit users426 sessions6,346 sessions

Related comparisons

Not sure whether Hollow or Heel Touch Crunch fits your goal? Get a personalized plan

How to Do Hollow

Hollow demo video

Hollow Muscles Worked: Core

Form

  1. 1. Lift your upper body while keeping your feet off the ground.
  2. 2. Hold while engaging your core.

Coach's Tips

  1. In the holding position, only your hips should be touching the ground.

For a full Hollow guide with alternatives and benefits, see the Hollow exercise guide.

Want to learn more about Hollow?Exercise Guide

How to Do Heel Touch Crunch

Heel Touch Crunch demo video

Heel Touch Crunch Muscles Worked: Core

Form

  1. 1. Lie down with your knees raised and lift your shoulders off the ground.
  2. 2. With your shoulders lifted, reach out with your hand towards one heel.
  3. 3. Return to the starting position and reach out with your hand towards the opposite heel.

Coach's Tips

  1. The upper part of your body should not touch the floor throughout the movement.

For a full Heel Touch Crunch guide with alternatives and benefits, see the Heel Touch Crunch exercise guide.

Want to learn more about Heel Touch Crunch?Exercise Guide

Frequently Asked Questions

Which is better for Core, Hollow or Heel Touch Crunch?

Planfit users log Heel Touch Crunch more often — 6,346 sessions against 426 for Hollow. Both train Core, so pick the one that matches the equipment you have and the muscles you want to load.

Do Hollow and Heel Touch Crunch work the same muscles?

Not quite. Hollow loads abs and quads, and Heel Touch Crunch loads abs.

What equipment do Hollow and Heel Touch Crunch need?

Hollow needs bodyweight only, and Heel Touch Crunch needs bodyweight only.

Which is easier to start with?

Heel Touch Crunch is the easier place to start. Move to Hollow once your form holds up.

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