Decline Crunch vs Hollow
Maximizing Your Core Workout Plan
Contents
Planfit users log Decline Crunch more often — 2,842 sessions vs 426. Compare Core form, muscles worked, and when to use each.
Customize Your Core Workout: Explore the Benefits of Decline Crunch and Hollow for Better Comparison.
Planfit Users' Choice about Decline Crunch vs Hollow : Which is Better?
Based on randomly selected data from 1 million completed workouts, Planfit users log Decline Crunch more often — 2,842 sessions compared to 426 for Hollow.
Popularity is not the whole answer. Decline 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 Decline Crunch and Hollow Differ
| What differs | Decline Crunch | Hollow |
|---|---|---|
| Muscles worked | abs | abs and quads |
| Difficulty | 3 of 5 | 5 of 5 |
| Sessions logged by Planfit users | 2,842 sessions | 426 sessions |
How to Decline Crunch
Decline Crunch muscles worked: Core
Form
- 1. Please lift your upper body while keeping your back straight.
- 2. Slowly return to the starting position.
Coach's Comment
- 1. If you lift your upper body excessively, it can strain your lower back, so please lift your upper body without letting your back rise.
- 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 Decline Crunch, alternative exercises, and its benefits, check it out here. Check out the Decline Crunch Guide page of our blog!
How to Hollow
Hollow muscles worked: Core
Form
- 1. Lift your upper body while keeping your feet off the ground.
- 2. Hold while engaging your core.
Coach's Comment
- 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!
Frequently Asked Questions
Which is better for Core, Decline Crunch or Hollow?
Planfit users log Decline Crunch more often — 2,842 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 Decline Crunch and Hollow work the same muscles?
Not quite. Decline Crunch loads abs, and Hollow loads abs and quads.
What equipment do Decline Crunch and Hollow need?
Decline Crunch needs bodyweight only, and Hollow needs bodyweight only.
Which is easier to start with?
Decline Crunch is the easier place to start. Move to Hollow once your form holds up.
Get free AI personalized workout plan
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It's a straightforward way to customize a workout plan to meet your unique needs and objectives, ensuring every effort contributes to your fitness journey.

