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Hollow Body Hold

An isometric hold that trains total core compression and control, borrowed from gymnastics training.

Setup

Lie on your back, arms extended overhead. Press your lower back firmly into the floor — this is the foundation of the position.

Movement

Lift your shoulders and legs slightly off the floor. Both should rise just a few inches, forming a slight "banana" curve with your body. Hold the position. Maintain the flat lower back and slight lift throughout the entire hold.

Return

Keep breathing steadily. Holding your breath adds unnecessary tension elsewhere in the body.

Common Mistake to Avoid

Letting the lower back arch off the floor. This is the single most important cue — if the back arches, the position has broken down.

Equipment None (bodyweight)
Primary Muscles Abs (rectus abdominis, transverse abdominis)
Secondary Muscles Hip flexors

Why it matters

The hollow body position — lying on your back with your lower back pressed flat and both your shoulders and legs lifted slightly off the floor — is foundational in gymnastics training because it teaches total-body core tension that carries over into many other skills and lifts. It's a demanding isometric hold that builds a different kind of core control than rep-based exercises.

How to do it

  1. Lie on your back, arms extended overhead. Press your lower back firmly into the floor — this is the foundation of the position.
  2. Lift your shoulders and legs slightly off the floor. Both should rise just a few inches, forming a slight "banana" curve with your body.
  3. Hold the position. Maintain the flat lower back and slight lift throughout the entire hold.
  4. Keep breathing steadily. Holding your breath adds unnecessary tension elsewhere in the body.

Common mistakes

  • Letting the lower back arch off the floor. This is the single most important cue — if the back arches, the position has broken down.
  • Lifting the legs or shoulders too high. A small lift that maintains a flat back is more effective than a dramatic lift that causes the back to arch.
  • Holding the breath. Tensing up and holding your breath doesn't add to the hold's effectiveness.
  • Attempting long holds before the position is mastered. Build up hold time gradually as the flat-back position becomes more natural.

Sets & reps by level

Beginner

3 sets of 10–15 second holds, with knees bent if needed to manage the position.

Intermediate

3–4 sets of 20–30 second holds with legs extended.

Advanced

3–4 sets of 30–45 second holds, or add a gentle rocking motion for an advanced variation.

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