Hollow Hold Core Control
hollow hold core workout
3 rounds for quality
20-30 sec Hollow Hold
8 controlled Hollow Rock reps
Rest 45 sec without losing position
Bodyweight
Hollow Hold — CrossFit Gymnastics Foundation
BB
By Borja Bes — CrossFit Athlete & Hyrox Finisher
The hollow hold is the foundational position for almost all CrossFit gymnastics skills. It is a static isometric hold where the body creates a concave "hollow" shape: lower back pressed to the floor, legs raised and extended, arms overhead, entire core locked. Athletes who cannot hold an efficient hollow body will struggle with kipping pull-ups, handstand push-ups, muscle-ups, and rope climbs — all of these movements rely on the same rigid midline position. In WOD programming, hollow holds appear as core work or active rest, typically prescribed in 30-60 second intervals.
Quick answer
The hollow hold is the foundational position for almost all CrossFit gymnastics skills. Use Hollow Hold for controlled trunk work and end the set before the lower back or pelvis loses its intended position.
Curated demonstration
Watch Hollow Hold Technique
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Gymnastics Course - Hollow Body Position
CrossFit · reviewed 2026-08-06
Muscles Worked
Rectus abdominisTransverse abdominisHip flexorsQuadriceps
Equipment
None
Best For, Avoid If, and Scaling
| Best for | Hollow Hold trunk-control work for rectus abdominis and transverse abdominis that supports lifting, gymnastics and posture without relying on fast, loose repetitions. |
|---|---|
| Avoid if | Avoid or scale Hollow Hold if pain changes the movement or the intended position cannot be controlled. Correct this common fault before adding volume: lower back arching away from the floor — lower your legs until the back presses down, even if legs are nearly vertical. |
| Scaling | Bent-knee hollow hold, arms across the chest instead of overhead. |
How to Do the Hollow Hold
1
Lie on your back with arms extended overhead, legs together and straight.
2
Press your lower back firmly into the floor — this is the foundation of the position.
3
Lift your shoulder blades off the floor, arms reaching overhead (not forward).
4
Lift your legs — 6 to 12 inches off the floor is sufficient for most athletes.
5
Hold with every muscle engaged: core tight, quads contracted, toes pointed.
6
Breathe — short, controlled breaths. Never hold your breath for the duration.
Common Mistakes
✕
Lower back arching away from the floor — lower your legs until the back presses down, even if legs are nearly vertical.
✕
Bending the knees — straight legs extend the lever arm and greatly increase core demand.
✕
Holding the breath instead of breathing through the position.
✕
Arms reaching forward rather than overhead — overhead position maximises the core challenge.
Coaching Tips
✓
If you cannot hold for 10 seconds, shorten the lever: start with bent knees, then progress to straight legs.
✓
Add hollow rocks (rocking forward and back in the hollow position) once you can hold 20+ seconds.
✓
Practice hollow hold before every kipping movement session — it directly improves kip quality.
Scaling Options
Easier / Beginner
Bent-knee hollow hold, arms across the chest instead of overhead.
Harder / Advanced
Hollow rocks, arms narrow overhead, or weighted hollow hold (small plate).
Training Examples
Train Hollow Hold with a Clear Purpose
Create a similar workout
Hollow Hold Trunk Finisher
hollow hold finisher
Every 90 sec x 5 rounds
20-30 sec Hollow Hold
20 sec easy breathing reset
Stop before the lower back compensates
Frequently Asked Questions
Why is the hollow hold so important in CrossFit?
The hollow body position is the midline standard for every kipping gymnastics movement. A solid hollow hold transfers directly to better, safer kipping pull-ups, muscle-ups, and handstand push-ups. Athletes with poor hollow body awareness tend to rely on lumbar extension, which is a primary cause of gymnastics-related lower back issues.
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