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Apanasana

Knees-to-Chest Pose

apana = the downward vital air

Written and reviewed by The Kriya Yogi · Updated 25 September 2026

Knees to chest — the simplest pose in yoga: lying back, hugging the knees, letting the lower back melt into the earth.

Family
Supine
Level
beginner
Lineage
modern
Works on
lower back · digestion area

The yogic view

Apana is the downward-moving energy — the current of elimination, grounding, and release — and this humble pose is named for it directly. The knees drawn to the chest compress the belly, massage the ascending and descending colon, and gather everything toward the centre and down. The classical physicians of the tradition prescribed exactly this shape after meals gone wrong and at the end of practice: the body balled small, the spine flat on the earth, the breath low and slow. It is the pose that teaches the nervous system the posture of safety.

Benefits

  • Gently releases tension in the lower back by flattening it against the floor
  • Compresses and lightly massages the abdominal organs, easing digestive tension
  • Offers a calming counterpose after backbends, twists, or inversions
  • Encourages slow, low, diaphragmatic breathing suited to relaxation

How to practise

  1. Lie on your back with the legs extended.
  2. Draw one knee toward the chest and hold the shin; release and repeat with the other leg.
  3. Then draw both knees in and wrap the arms around the shins.
  4. Keep the tailbone and the back of the head resting on the floor; breathe into the belly.
  5. Rock gently side to side if pleasant, and stay for one to three minutes.

For seated or floor-based work, use a clean, stable surface with enough support for comfort.

Common mistakes

  • Pulling the knees too forcefully into the chest — hug gently, matching the pressure to what feels comfortable rather than maximal.
  • Lifting the head and straining the neck — keep the head resting on the floor and the neck long.
  • Shallow chest breathing — direct the breath down into the belly, letting it rise and fall against the thighs.
  • Holding the shoulders tense near the ears — let the shoulders soften down and wide on the floor.

Variations and progressions

  • One knee at a time: draw one knee in while the other leg extends on the floor for a gentler, asymmetric version.
  • Rocking variation: gently rock forward and back along the spine to massage the lower back.
  • Ankle-crossed version: cross the ankles before hugging the knees in for a light inner-hip stretch.
  • Strap-assisted version: loop a strap behind the thighs if reaching around the knees is uncomfortable.

Breath and energy

Apana refers to the downward-moving current traditionally associated with elimination and grounding, and this pose is named directly for that quality: the knees drawn to the chest and the breath settling low and slow into the belly.

It is often used as a closing or resetting shape, teaching the nervous system a felt sense of safety and containment before deeper relaxation or the transition into Savasana.

What research shows

Supine knee-to-chest flexion gently stretches the lower back and gluteal muscles and is among the most commonly recommended positions in physiotherapy for acute lower-back relief. The abdominal compression stimulates the vagus nerve and aids intestinal transit — small studies support the traditional use for bloating and gas. As a resting counterpose after backbends and twists it neutralises the spine without any load.

Questions about Apanasana

+ When is Apanasana typically practised?
It is often used at the start of practice to warm the lower back, or near the end as a calming counterpose before relaxation.
+ Does Apanasana help with digestion?
The gentle abdominal compression is traditionally associated with easing digestive tension, though this is a traditional framing rather than a medical claim.
+ Why is it called Knees-to-Chest Pose?
The name simply describes the shape: both knees are drawn toward the chest while lying on the back.
+ Is this pose safe during pregnancy?
Because it compresses the abdomen, it is generally modified or avoided during pregnancy; a qualified prenatal teacher can suggest alternatives.
+ How long should you hold Apanasana?
Apanasana suits a longer, quieter hold: roughly one to three minutes, or five to eight slow breaths if you are moving in and out of it as part of a sequence. Where the posture is one-sided, practise both sides for the same length of time. Let the breath decide: if it becomes short, held or noisy, you have stayed too long or gone too deep.
+ Is Apanasana suitable for beginners?
Yes. Apanasana is a beginner-level posture in the supine family, and it is a reasonable shape to learn early. Reduce the range, use a wall or a cushion where balance or height helps, and hold it for fewer breaths at first. Read the cautions below before you begin, since "beginner-friendly" is not the same as "suitable for everyone".
+ What are the modifications for Apanasana?
The variations and progressions section above sets out the specific options for Apanasana. Three adjustments apply to almost any posture: raise the hips on a folded blanket or cushion in seated work, bend the knees in anything that loads the back of the legs, and use a wall, chair or block to take weight and remove the fear of falling. A supported version practised often produces more change than a deep version practised rarely.
+ Who should avoid or modify Apanasana?
For Apanasana specifically: pregnancy (modify or avoid). More generally, modify or skip it if you have an acute injury or recent surgery in the area it loads, if you are pregnant and have not been given individual guidance, or if the shape produces sharp, pinching, radiating or electric sensation. Numbness, tingling or pain travelling down a limb is a nerve signal to stop and be assessed, not to breathe through. This page is educational and is not medical advice.
+ What should you practise before and after Apanasana?
Prepare with a few minutes of small, slow spinal movement and warm-up for whichever area the posture loads most. Release afterwards with Shavasana (Corpse Pose). Both lists are links on this page, and either can be shortened when time is limited — but do not skip preparation for a posture that loads a joint at end range.
+ What does Apanasana mean in Sanskrit?
Apanasana translates as knees-to-chest pose — apana = the downward vital air The name follows Sanskrit convention, but the posture itself is modern and is not described in the classical texts.

Release with

Cautions

  • pregnancy (modify or avoid)

More supine

Keep reading

Educational content, not medical advice. Check with a doctor before starting new practices if you have a health condition or are pregnant.