Bandhas: The Three Energy Locks in Yoga

Bandhas — from the Sanskrit root bandha (to bind, lock, or restrain) — are contractions of specific muscle groups that, in the yogic physiology, redirect and contain pranic energy within the body rather than allowing it to dissipate. The three primary bandhas — Mula Bandha, Uddiyana Bandha, and Jalandhara Bandha — are among the most powerful and most commonly misunderstood practices in Hatha Yoga. They are not merely physical exercises; they are pranic valves that transform the quality and direction of prana flow throughout the energetic body.

Mula Bandha: Root Lock

Mula Bandha is the contraction of the perineum — the region between the genitals and anus — specifically engaging the muscles of the pelvic floor. In the context of the energetic body, Mula Bandha contracts and seals the Mooladhara chakra (the root centre at the base of the spine) and prevents the downward dissipation of apana vayu — the downward-flowing pranic energy associated with elimination and grounding.

Physical technique: Draw the perineum upward and inward — not the entire anal sphincter (that is Ashwini Mudra) and not the lower abdomen (that begins Uddiyana). The contraction should be light, sustained, and internal — not a forceful gripping. Most beginners overly contract the surrounding muscles; the refined Mula Bandha is subtle and can be maintained throughout an entire pranayama session.

When to apply: Mula Bandha is traditionally applied throughout pranayama, during asana practice (particularly in standing poses and inversions), and during meditation. The Hatha Yoga Pradipika recommends continuous Mula Bandha practice as one of the most powerful means of awakening Kundalini.

Uddiyana Bandha: Abdominal Lock

Uddiyana means "flying upward" — a reference to the pranic effect of this bandha, which draws apana vayu upward to meet prana vayu at the navel centre and directs the combined pranas into the Sushumna. Physically, Uddiyana involves a powerful drawing-in and upward-lifting of the abdominal wall — specifically performed after a complete exhalation with the breath retained externally.

Physical technique: Stand with feet slightly apart, hands on thighs for support. Exhale completely. With the breath out, draw the lower abdomen in and up — creating a deep hollowing of the entire abdomen, with the navel drawing up toward the spine and the lower ribs. Hold as long as comfortable. Release before inhaling. This is Uddiyana Bandha proper — it is only performed in external kumbhaka (breath retention after exhalation).

A milder, gentler engagement of the lower abdomen — drawing the navel slightly inward during asana and pranayama — is often called "engaging Uddiyana" but is technically a different action; it provides core support without the dramatic hollowing of the full bandha.

Jalandhara Bandha: Throat Lock

Jalandhara — from jala (net, throat) — is performed by lowering the chin to the notch between the collarbones while lengthening the back of the neck. This creates a compression at the base of the throat that seals the upward movement of prana and the downward movement of the cooling nectar (amrita) described in Tantric physiology. Physiologically, it compresses the carotid sinuses, triggering baroreceptor reflexes that reduce heart rate and blood pressure.

Application: Jalandhara Bandha is applied during internal kumbhaka (breath retention after inhalation) and is automatically assumed in Sarvangasana (Shoulderstand). It is not typically held throughout asana practice.

Maha Bandha: The Great Lock

Maha Bandha is the simultaneous application of all three bandhas — Mula, Uddiyana, and Jalandhara — during external kumbhaka (retention after exhalation). This is considered one of the most powerful practices in the entire Hatha Yoga system. The Hatha Yoga Pradipika states: "By the practice of Maha Bandha all the nadis are purified, all afflictions are removed, one becomes young in appearance, and one attains siddhis." Like all advanced pranayama practices, Maha Bandha should be learned under qualified guidance before independent practice.