Crunch vs Hollow

Maximizing Your Core Workout Plan

Contents

Planfit users log Crunch more often — 29,245 sessions vs 426. Compare Core form, muscles worked, and when to use each.

Customize Your Core Workout: Explore the Benefits of Crunch and Hollow for Better Comparison.

Planfit Users' Choice about Crunch vs Hollow : Which is Better?

Based on randomly selected data from 1 million completed workouts, Planfit users log Crunch more often — 29,245 sessions compared to 426 for Hollow.

Popularity is not the whole answer. Crunch and Hollow differ in the muscles they load, the equipment they need, and how hard they are to learn — the comparison below covers each.

How Crunch and Hollow Differ

What differsCrunchHollow
Muscles workedabsabs and quads
Difficulty1 of 55 of 5
Sessions logged by Planfit users29,245 sessions426 sessions

Related comparisons

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How to Crunch

Crunch gif

Crunch muscles worked: Core

Form

  1. 1. Please lift your upper body while keeping your back straight.
  2. 2. Slowly return to the starting position.

Coach's Comment

  1. 1. If you lift your upper body excessively, it can strain your lower back, so please lift your upper body without raising your back.
  2. 2. If your neck hurts, support your head with your hands and relax your neck while proceeding.

If you want to know a detailed guide to Crunch, alternative exercises, and its benefits, check it out here. Check out the Crunch Guide page of our blog!

Do you want to know more about Crunch methods?Exercise Guide

How to Hollow

Hollow gif

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 Comment

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

If you want to know a detailed guide to Hollow, alternative exercises, and its benefits, check it out here. Check out the Hollow Guide page of our blog!

Do you want to know more about Hollow methods?Exercise Guide

Frequently Asked Questions

Which is better for Core, Crunch or Hollow?

Planfit users log Crunch more often — 29,245 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 Crunch and Hollow work the same muscles?

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

What equipment do Crunch and Hollow need?

Crunch needs bodyweight only, and Hollow needs bodyweight only.

Which is easier to start with?

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

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