PA-0179

Caterpillar

Paschimottanasana (yin)

BeginnerYin FoundationsYin

At a glance

A two-legged forward fold, the spine rounding completely over extended legs, releasing the entire back body over a sustained hold. It shares its shape with the active Seated Forward Fold, but the instruction shifts from "length before depth" to full, complete rounding.

Let the whole spine round and rest, from the low back to the chin.

Essence

The active version of this shape asks for a long spine and a hip-driven hinge. This version asks for the opposite: complete rounding, chin toward the chest, no effort to keep any part of the spine long. That's a truly different technique, and it's worth naming clearly rather than assuming students will intuit the shift.

Intention

To release the entire posterior chain passively over a sustained hold, the spine rounding completely over extended legs.

What this pose develops

Physical

  • Passive release through the hamstrings, calves, and entire back body
  • Connective tissue release along the whole posterior chain
  • A different quality of flexibility than active stretching produces

Mental

  • Sustained stillness in a fully rounded, passive shape
  • Comfort with complete rounding, distinct from "long spine" instruction found elsewhere

Teaching concepts

  • Cueing full rounding explicitly, distinguishing this pose clearly from its active counterpart
  • Offering support generously, since sustained rounding is more comfortable with the right props

How to practise

  1. 1Sit with the legs extended straight ahead.
  2. 2Round the spine forward completely, letting the chin drop toward the chest.
  3. 3Rest the hands, forearms, or a support wherever they land.
  4. 4Settle in for three to five minutes, releasing residual tension with each exhale.
  5. 5Roll up slowly, one vertebra at a time, to come out.

Alignment exploration

Instead of searching for the “correct” position, notice:

  • Alignment is loose here. The whole spine rounds, from the low back through the neck, with no effort to maintain length anywhere.

Breath

A slow, natural breath, with each exhale offering a chance to release a little further into the rounded shape.

Teacher’s eye

Look for a spine trying to stay flat or long, a habit carried over from the active Seated Forward Fold. A cue to let the whole spine round, chin included, often clarifies what this pose is asking for.

Student practice

Reflect after practising:

  • This isn't the "long spine" version of this shape. Let your whole back round, all the way up through your neck.
  • A bolster across your legs, if you're using one, gives your whole torso somewhere to rest completely.

Common movement strategies

Rather than mistakes, you may notice:

  • Rest the torso on a bolster placed across the legs, allowing complete release rather than any muscular effort to hold a position.

Modifications

  • A bolster across the legs for the torso to rest on.
  • Knees bent generously if the hamstrings are tight, prioritizing the rounded spine over straight legs.
  • A folded blanket under the sitting bones.

Props

BolsterFolded blanket

Completion check

  • Roll up slowly, one vertebra at a time, pausing before the next pose.

Related poses

Prepares for

Snail

Complements

Half Butterfly

Alternatives

Bolster support

Progressions

Snail

Regressions

Bent knees

Related movement concepts

Complete rounding, distinct from the "long spine" principle found in active posesFull posterior chain release, including the neckBolster support enabling total passive rest

Search tags

yinbeginnerhamstringlong-hold

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