Classification of Prāṇāyāma

Introduction

Prāṇāyāma, the fourth limb of Aṣṭāṅga Yoga described by Patañjali, is the regulation of breath to influence the flow of prāṇa, the vital life energy. Since there are many types and methods of prāṇāyāma, yogic scriptures and modern yoga traditions have classified them according to different principles: based on the technique, effect, duration, or purpose.

1. Classification According to the Haṭha Yoga Tradition

Classical texts such as the Haṭha Yoga Pradīpikā and Gheraṇḍa Saṃhitā describe eight classical prāṇāyāmas, sometimes considered the main practices:

1. Sūryabhedana – Vitalizing breath (piercing the solar channel).
2. Ujjāyī – Victorious breath.
3. Śītalī – Cooling breath (rolled tongue).
4. Śītkārī – Cooling hiss breath (teeth breathing).
5. Bhastrikā – Bellows breath.
6. Bhrāmarī – Humming bee breath.
7. Mūrchhā – Fainting breath (induces expansion of consciousness).
8. Plāvinī – Floating breath (fills stomach with air, aiding buoyancy).

These are considered mainstream haṭha prāṇāyāmas, with variations and advanced practices.

2. Classification According to the Breathing Process

Prāṇāyāma can be grouped based on which aspect of breathing is emphasized:

• Pūraka (Inhalation-based): Practices focusing on controlled inhalation.
• Recaka (Exhalation-based): Practices emphasizing prolonged or forceful exhalation (e.g., Kapālabhātī).
• Kumbhaka (Retention-based): Practices emphasizing holding the breath, either inside (antar) or outside (bāhya).

3. Classification According to Physiological Effects

• Vitalizing Prāṇāyāmas (stimulate and energize)
  – e.g., Bhastrikā, Kapālabhātī, Sūryabhedana.
• Tranquilizing Prāṇāyāmas (calm and balance the mind)
  – e.g., Nādī Śodhana, Bhrāmarī, Ujjāyī.
• Cooling Prāṇāyāmas (reduce body heat and calm pitta dosha)
  – e.g., Śītalī, Śītkārī, Plāvinī.

4. Classification According to Ratios of Breathing (Pātañjala Tradition)

In Yoga Sūtras (2.49–2.51), Patañjali hints at classification by ratio and duration:

• Sama Vṛtti: Equal inhalation, retention, and exhalation.
• Viṣama Vṛtti: Unequal ratios, such as 1:2 or 1:4:2 (more advanced).
• Kevala Kumbhaka: Spontaneous suspension of breath without effort.

5. Classification According to Purpose in Yoga Therapy

• For Respiratory Health: Anuloma-Viloma, Kapālabhātī, Bhastrikā.
• For Stress & Anxiety: Nādī Śodhana, Bhrāmarī, Ujjāyī.
• For Hypertension & Cooling: Śītalī, Śītkārī.
• For Spiritual Awakening: Sūryabhedana, Kumbhaka-focused practices, advanced bandha-integrated prāṇāyāmas.

6. Modern Practical Classification

Many TTC manuals divide prāṇāyāma into:

1. Basic Preparatory Prāṇāyāmas – Awareness breathing, deep breathing, sectional breathing (abdomen, chest, clavicular).
2. Intermediate Practices – Nādī Śodhana, Ujjāyī, Kapālabhātī.
3. Advanced Prāṇāyāmas – Bhastrikā, Sūryabhedana, Śītalī, Kevala Kumbhaka.

Conclusion

The classification of prāṇāyāma serves as a guide for progressive learning. Beginners start with calming and balancing techniques, then move to vitalizing and advanced practices involving kumbhaka and bandhas. Ultimately, all classifications point toward the same goal—control of prāṇa, steadiness of mind, and preparation for meditation.