DAILY YOGA ยท Parivrtta Ardha Chandrasana
Revolved Half Moon
Parivrtta Ardha Chandrasana โ Revolved Half Moon โ is Half Moon Pose with a twist: balanced on one leg and one hand, the torso rotates so the opposite hand reaches down. It challenges balance, opens the chest and wrings the spine, all at once.
Name meaning: From parivritta meaning "revolved", ardha meaning "half", candra meaning "moon", and ฤsana โ the "revolved half-moon posture", a twisting one-legged balance.
Classification: Asana โ a standing one-legged balance with a deep twist.
Tradition & origin: Revolved Half Moon is modern: like Half Moon (Ardha Chandrasana) it is a 20th-century pose, not found in the medieval hatha texts. Present it as modern postural yoga.
This guide was drafted with the help of AI and reviewed by us. It is for general education only and is not medical or professional advice. It may contain errors. Please practise mindfully, listen to your body, and consult a qualified yoga teacher or doctor for anything specific. Spotted an error? Tell us in the comments below.
How to do it โ step by step
- 1From a lunge or Revolved Triangle, place the lower hand (same side as the standing leg) on the floor or a block ahead of the front foot.
- 2Shift the weight onto the front foot and lift the back leg to hip height.
- 3Straighten the standing leg (knee soft).
- 4Twist the torso, reaching the top arm to the ceiling.
- 5Keep the lifted leg strong, foot flexed, hips working level.
- 6Gaze down, forward, or up as balance allows.
- 7Unwind slowly; switch sides.
Breath & hold
Inhale to lengthen, exhale to twist. Hold 15โ25 seconds each side.
Benefits
- โBuilds balance and focus.
- โStrengthens the standing leg and core.
- โMobilises the spine through rotation.
- โOpens the chest and shoulders.
๐ช The traditional / desi way
- The revolved half-moon โ the luminous crescent shape given a wringing twist through the spine.
- Traditional cue: use a block under the lower hand generously; find the balance first, then add the twist.
Common mistakes
- โPlacing the lower hand too close, cramping the pose.
- โLocking the standing knee.
- โForcing the twist and losing the balance.
Modifications & props
- ๐งฉUse a tall block under the lower hand.
- ๐งฉPractise with the back near a wall.
- ๐งฉKeep the top hand on the hip.
Muscles & anatomy
- ๐ชStrengthens the standing leg, glute, ankle and core.
- ๐ชRotates the muscles along the spine and opens the chest.
- ๐ชThe lifted leg works the glute and hamstring; the whole body balances.
What you may feel
- ๐ซงNormal: strong standing-leg and core effort, an even spinal twist, and a chest opening.
- ๐ซงWarning sign: wobbling or low-back pinch โ raise the lower hand onto a taller block, soften the standing knee, and use a wall.
Variations to grow into
Keep the top hand on the hip (rather than reaching up) until the balance and twist are steady.
Reach the top arm high and gaze up, deepening the twist while balancing freely.
Using props
- ๐งฑA tall block under the lower hand.
- ๐งฑA wall behind you for balance while learning.
Warm-up & counterpose
- Half Moon, Revolved Triangle and gentle twists to warm the legs and spine.
- A gentle un-twisted forward fold or standing tall to neutralise.
Supporting exercises
Why: Builds the one-legged balance without the twist.
How: Balance on one leg, lower hand to a block, top leg lifted.
Why: Builds the twist with both feet down.
How: Twist over the front leg, hand to a block.
Progression path
Master Half Moon and Revolved Triangle; find Revolved Half Moon at a wall with a tall block, adding the full twist and top-arm reach as the balance steadies.
Who it suits โ and who should modify
- โIntermediate/advanced practitioners with good balance and a mobile spine.
- โThose confident in Half Moon and Revolved Triangle.
- โAnyone building one-legged balance with a twist (use a block and a wall).
- !Spinal or disc injury โ keep the twist gentle, or skip.
- !Balance difficulty, low blood pressure or dizziness โ use a tall block and a wall.
- !Hamstring injury โ soften the standing knee.
When to practise
In the standing/balancing sequence, once thoroughly warm.
A few times a week; hold 20โ30 seconds each side.
Traditional view vs. modern evidence
A revolving half-moon; a turning, balanced shape.
Not in the medieval texts; a 20th-century pose.
A one-legged balance with a deep twist that builds strength and focus.
Detox claims are not established.
Evidence at a glance
The pose builds one-legged balance and leg/core strength and mobilises the spine.
Consistent with anatomy and general balance/mobility exercise.
It detoxifies the organs.
A popular twist claim without solid supporting evidence.
Myths vs. reality
โ Myth: You must reach the floor with the lower hand.
โ Reality: A tall block keeps the spine long and the balance steady; reaching to the floor with a rounded back is counterproductive.
โ Myth: Twisting detoxifies the organs.
โ Reality: Twists mobilise the spine and feel refreshing, but the squeeze-and-detox idea is a metaphor.
โ ๏ธ Cautions
- Balance, neck, or lower-back issues โ use a wall and a block; keep the gaze down.
Frequently asked questions
This feels impossible to balance โ help?
Put a tall block under the lower hand, soften the standing knee, and find the shape near a wall. Add the twist only once the balance is steady.
How is it different from Revolved Triangle?
Revolved Triangle keeps both feet down; here the back leg lifts to hip height, adding a one-legged balance to the twist.
Key takeaways
- โญA one-legged balance with a deep twist โ builds strength, balance and focus.
- โญUse a tall block and a wall; soften the standing knee.
- โญMaster Half Moon and Revolved Triangle first.
- โญA modern pose, not a medieval one.
References
- Wikipedia โ Ardha Chandrasana (Half Moon; revolved variation) ยท Encyclopaedia, scholarly-sourced
- NCCIH โ Yoga: What You Need To Know ยท Government health body (public domain)
Sources are provided for further reading; always consult a qualified teacher or clinician for personal guidance.
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