Mountain Climber vs Hollow
Which one fits your Core workout plan?
Contents
Planfit users log Mountain Climber more often — 1,794 sessions vs 426. Compare Core form, muscles worked, and when to use each.
Compare the benefits of Mountain Climber and Hollow and pick the one that fits your Core workout.
Mountain Climber vs Hollow: Which Do Planfit Users Choose?
Based on randomly selected data from 1 million completed workouts, Planfit users log Mountain Climber more often — 1,794 sessions compared to 426 for Hollow.
What most people do isn't always what fits you. Mountain Climber and Hollow differ in the muscles they work, the equipment they need, and how hard they are to learn — the comparison below covers each.
How Mountain Climber and Hollow Differ
| What differs | Mountain Climber | Hollow |
|---|---|---|
| Muscles worked | abs, quads, and glutes | abs and quads |
| Difficulty | 3 of 5 | 5 of 5 |
| Sessions logged by Planfit users | 1,794 sessions | 426 sessions |
How to Do Mountain Climber
Mountain Climber Muscles Worked: Core
Form
- 1. Spread your arms shoulder-width apart and lie face down, lightly engaging your core to create a straight line with your body.
- 2. While keeping one foot off the ground, pull your knee towards your chest.
- 3. As you return the lifted foot to its original position, lift the opposite foot and pull its knee towards your chest, repeating the process.
Coach's Tips
- This exercise is done quickly to achieve the effects of aerobic exercise rather than slowly feeling the stimulation. Try to perform it at a slightly faster tempo than other exercises.
For a full Mountain Climber guide with alternatives and benefits, see the Mountain Climber exercise guide.
How to Do 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 Tips
- 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.
Frequently Asked Questions
Which is better for Core, Mountain Climber or Hollow?
Planfit users log Mountain Climber more often — 1,794 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 Mountain Climber and Hollow work the same muscles?
Not quite. Mountain Climber loads abs, quads, and glutes, and Hollow loads abs and quads.
What equipment do Mountain Climber and Hollow need?
Mountain Climber needs bodyweight only, and Hollow needs bodyweight only.
Which is easier to start with?
Mountain Climber is the easier place to start. Move to Hollow once your form holds up.
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