Hollow vs Side Leg Raise
Which one fits your Core workout plan?
Contents
Planfit users log Hollow more often — 531 sessions vs 252. Compare Core form, muscles worked, and when to use each.
Compare the benefits of Hollow and Side Leg Raise and pick the one that fits your Core workout.
Hollow vs Side Leg Raise: Which Do Planfit Users Choose?
Based on randomly selected data from 1 million completed workouts, Planfit users log Hollow more often — 531 sessions compared to 252 for Side Leg Raise.
What most people do isn't always what fits you. Hollow and Side Leg Raise 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 Side Leg Raise Differ
| What differs | Hollow | Side Leg Raise |
|---|---|---|
| Muscles worked | abs and quads | outer thighs and abs |
| One side at a time | No | Yes |
| Difficulty | 5 of 5 | 1 of 5 |
| Sessions logged by Planfit users | 531 sessions | 252 sessions |
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.
How to Do Side Leg Raise
Side Leg Raise Muscles Worked: Core
Form
- 1. Slowly lift your foot away from the floor.
- 2. Slowly return to the starting position.
Coach's Tips
- If it's too difficult, try doing it lying on your side without lifting your body.
For a full Side Leg Raise guide with alternatives and benefits, see the Side Leg Raise exercise guide.
Frequently Asked Questions
Which is better for Core, Hollow or Side Leg Raise?
Planfit users log Hollow more often — 531 sessions against 252 for Side Leg Raise. Both train Core, so pick the one that matches the equipment you have and the muscles you want to load.
Do Hollow and Side Leg Raise work the same muscles?
Not quite. Hollow loads abs and quads, and Side Leg Raise loads outer thighs and abs.
What equipment do Hollow and Side Leg Raise need?
Hollow needs bodyweight only, and Side Leg Raise needs bodyweight only.
Which is easier to start with?
Side Leg Raise is the easier place to start. Move to Hollow once your form holds up.
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