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Fire Wash (Belly Pumping on the Out-Breath)

Agnisar kriya (fire wash): how to do it, benefits and who must avoid it

Agnisar kriya is belly pumping done while the breath is held out, on an empty stomach. The timer above counts 3 in, 4 out, then 10 seconds for pumping.

Ready

Agnisar Kriya timer

Breathe in for 3, breathe out for 4, hold for 10 seconds.

How to do Agnisar Kriya

  1. Practise only on an empty stomach, at least 4 hours after food, ideally in the morning after emptying the bladder and bowels.
  2. Stand with feet hip-width apart, bend the knees and rest your hands on your thighs, leaning slightly forward. (Later you can do it seated in Vajrasana with hands on the knees.)
  3. Breathe in through the nose for 3 counts, then breathe out fully through the nose or mouth for 4 counts.
  4. With the breath held out, gently draw the belly in and let it out again, quickly and rhythmically, for up to 10 seconds. Keep the throat relaxed.
  5. Stop pumping before you feel any strain. Relax the belly completely, then breathe in slowly.
  6. Stand up and take a few normal breaths. Repeat for 3 rounds only, resting as long as you need between them.

Benefits

  • Tones and wakes up the abdominal muscles and the diaphragm
  • Traditionally used to stimulate digestion and ease sluggish bowels
  • Gives a warm, energised feeling in the belly, the "fire in the belly" of its name
  • Builds control of the abdomen that prepares you for Uddiyana bandha and Nauli

Precautions

  • Only on a completely empty stomach, 4 or more hours after food
  • Not with high blood pressure, heart disease, epilepsy, glaucoma, pregnancy or during periods
  • Not with a hernia, stomach or duodenal ulcer, acid reflux, or after recent abdominal surgery
  • Never hold the breath out until you strain or feel dizzy; stop at once with pain, headache or palpitations
  • Learn it from an experienced teacher if you can, and begin with fewer pumps

Agnisar kriya, also written Agnisara or Agni sara kriya, is a yoga cleansing practice in which you breathe out fully and then pump the belly in and out while holding the breath out. It is strong, warming and meant for people with some yoga experience. This page explains what Agnisar kriya is, how to use the timer, how to do it step by step and safely, its benefits and side effects, and how it compares with Kapalbhati and Nauli.

Agnisar kriya is not for everyone. Do not practise it with high blood pressure, heart disease, epilepsy, pregnancy, during periods, with a hernia or stomach ulcer, or after recent abdominal surgery. Always do it on an empty stomach.

What is Agnisar kriya? Meaning of "fire wash"

In Sanskrit, agni means "fire" and sara means "essence" or "washing". Agnisar kriya is often translated as the "fire wash". In yoga, digestion is described as the digestive fire, and this practice is said to fan that fire in the belly. The Gheranda Samhita describes a similar practice called vahnisara dhauti, pushing the navel back towards the spine many times, as one of the cleansing techniques.

What is a kriya? Examples

A kriya is a cleansing action; in Hindi, too, kriya simply means "action", and the examples below are the classical ones. The six classical kriyas, called shatkarma, are neti (nasal cleansing), dhauti (cleansing of the digestive tract, which includes Agnisar), nauli (abdominal churning), basti (colon cleansing), Kapalbhati and Trataka (candle gazing). The benefits of basti kriya are traditionally linked with the colon; it must be learned from a teacher. Kirtan kriya is something different: a chanting meditation from Kundalini yoga, whose benefits are about calm and focus, not the belly.

How to use the Agnisar kriya timer

The timer uses a 3-4-10 pattern: 3 seconds breathing in, 4 seconds breathing out, and 10 seconds with the breath held out. Pump the belly only during those 10 seconds. The default is 3 rounds, less than a minute of work.

  • Agnisar kriya for beginners: 10 seconds is a maximum, not a target. Do 3–5 slow pumps, stop, and wait for the timer’s next "breathe in".
  • If you feel any air hunger, stop pumping, relax the belly and breathe in straight away. Do not wait for the timer.
  • Rest with normal breathing between rounds; press Pause if you need longer.

How to do Agnisar kriya step by step

Agnisar kriya is often listed as a pranayama, but it is really a kriya: the breath is held, not regulated. The steps above show the standing Agnisar kriya technique, which is easiest because the hands on the thighs take the weight of the upper body and the belly can move freely. Some key points:

  • Empty first. The breath must be fully out before you pump. Pumping with air in the lungs builds pressure in the chest.
  • Move the belly, not the chest. Only the abdomen goes in and out. The chest, face and shoulders stay still and relaxed.
  • Keep it gentle. The belly moves like a small wave, not a hard punch.
  • Release before inhaling. Let the belly soften fully before you breathe in. Breathing in against a tight belly can cause a gasp.

Common mistakes are holding the breath too long, pumping too hard and doing too many rounds. More is not better. Start with 3 rounds and increase slowly over weeks.

Agnisar kriya benefits

Research on Agnisar kriya is very limited, so most benefits are traditional or based on what practitioners report:

  • Digestion and constipation. The pumping massages the belly and may help sluggish bowels. It is traditionally used for gas, poor appetite and constipation; see yoga for constipation and yoga for digestion.
  • Core awareness. You learn to control the deep abdominal muscles and the diaphragm, which prepares you for Uddiyana bandha and Nauli.
  • Energy. Many people feel warm and alert afterwards.

Agnisar kriya benefits for weight loss, skin, brain and men

Agnisar kriya burns very few calories and cannot remove fat from the belly on its own; spot reduction does not work. For weight loss it can be one small part of a routine with diet and regular exercise; see yoga for belly fat. Claims about benefits for the skin or the brain have no research behind them, although better digestion and alertness may help you feel well. Agnisar kriya benefits for male and female practitioners are the same; there is no evidence that it improves male sexual health.

Agnisar kriya side effects and contraindications

Done carefully by a healthy person, Agnisar kriya is usually safe. Side effects come from doing too much or doing it when you should not:

  • dizziness, headache or a flushed face from holding the breath out too long;
  • belly pain, cramps or nausea if the stomach is not empty;
  • worse acid reflux or heartburn;
  • raised pressure in the abdomen, which is risky with a hernia (see yoga for hernia), after surgery or in pregnancy.

Breath holds and strong abdominal pumping can raise blood pressure for a moment, so the practice is not for people with high blood pressure, heart disease, epilepsy or glaucoma. Many teachers also advise skipping it during periods.

Agnisar kriya vs Kapalbhati and Nauli kriya

PracticeWhat movesBreathLevel
KapalbhatiBelly snaps in with each exhaleActive breathing, fast exhalesIntermediate
Agnisar kriyaBelly pumps in and outHeld out, no breathingIntermediate
Nauli kriyaCentral abdominal muscles isolated and rolledHeld outAdvanced

Agnisar kriya vs Kapalbhati: in Kapalbhati every belly movement pushes air out; in Agnisar the breath is out and the belly moves without any airflow. Agnisar kriya vs Nauli kriya: Agnisar is the step before Nauli, which needs strong Uddiyana bandha and isolation of the abdominal muscles.

Agnisar kriya benefits and steps in Hindi (kya hai, kaise karen, ke labh)

अग्निसार क्रिया — हिंदी में: अग्निसार क्रिया पेट की सफाई की एक योग क्रिया है। खाली पेट खड़े होकर घुटने थोड़े मोड़ें और हाथ जाँघों पर रखें। पूरी साँस बाहर छोड़ें, फिर साँस रोककर पेट को तेज़ी से अंदर-बाहर करें। ज़ोर लगने से पहले रुकें, पेट ढीला करें और धीरे साँस लें। 3 बार करें। इसके फायदे: पाचन और कब्ज़ में मदद, पेट की मांसपेशियाँ मज़बूत। उच्च रक्तचाप, हृदय रोग, गर्भावस्था, हर्निया या अल्सर में न करें।

More breathing techniques

Frequently asked questions

What is Agnisar kriya?

A yoga cleansing practice in which you breathe out fully and then pump the belly in and out while holding the breath out, on an empty stomach.

What are the benefits of Agnisar kriya?

Traditionally it improves digestion and eases constipation. It also builds control of the abdominal muscles. Research is limited.

Is Agnisar kriya good for weight loss?

Only as a small part of a routine. It burns few calories and cannot remove belly fat by itself.

Who should not do Agnisar kriya?

People with high blood pressure, heart disease, epilepsy, glaucoma, a hernia, ulcers, acid reflux, recent abdominal surgery, and anyone pregnant or on their period.

How many times should I do Agnisar kriya?

Start with 3 rounds of a few pumps each. Increase slowly over weeks, never to the point of strain.

What is the difference between Agnisar kriya and Kapalbhati?

Kapalbhati pushes air out with each belly movement; Agnisar moves the belly while the breath is held out.

Agnisar kriya ke fayde kya hain (in Hindi: अग्निसार क्रिया के फायदे)?

It helps digestion and constipation and strengthens the belly muscles. Do it only on an empty stomach and not with high BP, heart disease or pregnancy.

Breathing practices are safe for most people when done gently. Stop if you feel dizzy, anxious or short of breath, and ask your doctor first if you have heart or lung disease, high blood pressure, epilepsy or are pregnant.

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