Yin Yoga · Nervous-system · Stress · Flexibility

The Kidney Meridian Class — Yin Yoga class, 57 minutes

The Kidney Meridian Class

Backbends, then inner thighs — the line this practice follows

1 hour All levels Nervous-systemStressFlexibility Jul 2025
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Before you go

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An hour built around the kidney meridian line, which Katie explains before anything starts — and which you don’t need to believe in for the class to work on you.

The line runs from the little toe, up the inner leg, to the tailbone and up the spine. So the practice is two things: backbends and inner thighs.

Sphinx for four minutes with a cue worth keeping — a turtle extending its neck out of its shell, rather than collapsing into the shoulders. Then a minute face down in Crocodile.

Saddle for three minutes, propped as high as your knees need, or half saddle one leg at a time.

Sphinx or Seal for five, your choice, and Crocodile again the other way.

Then the inner leg. Butterfly for four minutes, Half Butterfly for three each side, Dragonfly — she calls it Straddle — for three, with windshield wipers between each.

Caterpillar for five, countered with Hammock, then Corpse.

The image that makes the backbends make sense: holding one is kinking a garden hose. The point isn’t the kink. It’s the rush when you let go.

What you'll practice

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Common questions

What is a meridian line?

An idea from traditional Chinese medicine, and one Yin borrows. Katie explains it at the start as energetic highways carrying qi around the body. It shapes which poses go in the class rather than being something you need to believe in — as she says, you can know nothing about it and still get everything out of the practice.

Where does the kidney meridian actually run?

From the little toe, along the sole of the foot, up the inner side of the leg, back to the tailbone, then up the spine. That's why this hour is mostly inner thighs and backbends: the poses follow the line.

What's the garden hose about?

Katie's image for a backbend. Holding Sphinx compresses the lower back — kinking the hose, so nothing flows. Releasing it lets everything rush through at once. It's a nice way to understand why the rest afterwards matters as much as the pose.

Saddle is too much for my knees.

Prop the hips higher — a block, two blocks, cushions, whatever gets you to a height your knees accept. Or take half saddle, one leg extended at a time; Katie calls the halfway point so you can swap. Knee pain is a reason to come out, not to breathe through.

Should I pick Sphinx or Seal for the second round?

Whichever you want, and she's explicit that there's no pressure. Seal is the stronger backbend with straight arms; Sphinx on the forearms is a complete practice. Doing Sphinx twice is a perfectly good version of this class.

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A gentle reminder: Yin asks you to respect your limits, not override them. Come out of any pose that feels like pain rather than sensation, ease off if your hands tingle or a knee complains, and take your time coming out of the long holds — the body feels tender for a moment, and that passes. This practice is about taking good care of your body, never pushing it.