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Kurmasana

Tortoise Pose

kurma = tortoise

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

A deep seated forward fold in which the arms extend under the bent knees to the sides, drawing the body into an enclosed, tortoise-like shape.

Family
Forward bends
Level
advanced
Lineage
classical — HYP ch.1; GS ch.2
Works on
hamstrings · lower back · shoulders

Note on the sources: Classical description differs from the modern form; note both on the page

The yogic view

Kurmasana, meaning tortoise, is described among the classical seated forward bends as a posture symbolizing withdrawal of the senses, its enclosed shape likened to a tortoise pulling into its shell as the practitioner turns attention inward and away from external distraction.

Benefits

  • Deeply stretches the hamstrings, hips, and shoulders in one combined forward fold
  • Encourages introspective, quiet breath through a fully folded, enclosed shape
  • Builds significant hamstring and shoulder flexibility over consistent practice
  • Prepares the body for the more advanced Supta Kurmasana
  • Traditionally associated with turning attention inward, mirroring the tortoise withdrawing into its shell

How to practise

  1. Sit with the legs bent and feet on the floor, knees apart wider than the hips.
  2. Lean forward and slide the arms underneath the knees, reaching them out to the sides.
  3. Walk the shoulders further under the knees as the legs and torso allow, without forcing.
  4. Extend the legs straighter as the fold deepens, keeping length in the spine.
  5. Lower the chest and chin toward or onto the floor.
  6. Rest the shoulders under the knees, letting the legs settle down over the upper back.
  7. Hold for several slow breaths in the folded, enclosed shape before releasing gradually.

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

Common mistakes

Forcing the shoulders under the knees too soon — walk the shoulders under gradually across weeks of consistent hamstring and shoulder opening, not in one session. Rounding aggressively through the upper back — lengthen the spine forward rather than collapsing to force depth. Locking the knees hard against the shoulders — allow a little space and let flexibility develop rather than jamming the joints. Skipping warm-up forward bends — approach this only after warming the hamstrings with simpler seated folds.

Variations and progressions

  • Wide-knee version: keep the knees wider apart to make room for the shoulders while learning
  • Block support: rest the forehead on a block if it doesn't reach the floor
  • Half version: fold forward with the shoulders resting on top of the shins rather than underneath
  • Advanced: progress into Supta Kurmasana, crossing the ankles behind the head

Breath and energy

The fully enclosed shape, with the limbs folded around the torso, is traditionally connected to pratyahara, the withdrawal of the senses, mirroring the tortoise's retreat into its shell as a metaphor for turning attention inward during practice.

What research shows

Reaching this depth of fold requires substantial hamstring and shoulder flexibility developed over consistent practice, and rushing the shoulders under the knees before that mobility exists is a common source of strain; working gradually with the knees wider and the shoulders only partially under is a safer, evidence-consistent approach.

Questions about Kurmasana

+ What does Kurmasana mean?
Kurma means tortoise; the enclosed, withdrawn shape of the body evokes a tortoise pulling into its shell.
+ Is Kurmasana mentioned in classical texts?
Tortoise-associated postures appear in classical hatha texts as advanced seated forms; descriptions and exact shapes vary between sources.
+ What should I be flexible in before trying Kurmasana?
Open hamstrings and shoulders are the two main prerequisites — build these with simpler forward bends first.
+ What comes after Kurmasana in practice?
Supta Kurmasana, a deeper variation where the ankles cross behind the head, is the traditional progression.
+ How long should you hold Kurmasana?
Five to ten slow breaths — about thirty to sixty seconds — works well for most practitioners, and one to two minutes if you are working specifically on range. 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 Kurmasana suitable for beginners?
No — Kurmasana is an advanced forward bends posture. It asks for strength, range and control that take a long time to build, and it is much better learned with in-person guidance than from a page. Work through the preparatory postures listed below first, and treat the full shape as a long-term project rather than a goal for this month.
+ What are the modifications for Kurmasana?
The variations and progressions section above sets out the specific options for Kurmasana. 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 Kurmasana?
For Kurmasana specifically: back injury; sciatica. 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.

Prepare with

Release with

Cautions

  • back injury
  • sciatica

More forward bends

Keep reading

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