Full Lord of the Fishes Pose
पूर्ण मत्स्येन्द्रासन
Pūrṇa Matsyendrāsana — an advanced twist that works the obliques, spinal erectors, hip flexors.
How to do Full Lord of the Fishes Pose
Read all of it before starting, and read the cautions further down before starting at all.
Sit and fold the right leg into full lotus position on the left thigh, only if that shape is already easy for you.
Bend the left knee and stand the left foot flat on the floor outside the right thigh.
Rotate the trunk to the left and wrap the right arm around the outside of the standing shin.
Take the left arm behind the back and clasp the right hand or wrist to complete the bind.
Lengthen on each inhale and turn a little further on each exhale, then unwind carefully and change sides.
Hold: 20–40 seconds each side. Keep the breath moving throughout — if you are holding it, the pose is too much for today.
Muscles worked
Where the effort and the lengthening land. Primary groups do most of the work; secondary groups assist or are stretched.
What Full Lord of the Fishes Pose does
Described mechanically — what the movement does to muscle and joint. Not a list of conditions it treats, because a pose does not treat conditions.
- Produces the deepest seated rotation in the tradition, with the pelvis completely locked by the folded legs.
- Loads both shoulders in opposite directions to hold the bind.
- Demands sustained oblique work, since the bind gives the ribs nowhere to sag.
Full Lord of the Fishes Pose is one of 25 twists in this library and one of 61 poses rated advanced. Poses that rotate the spine around its long axis with the pelvis anchored.
Who should skip Full Lord of the Fishes Pose, or change it
- Pregnancy — do not practise this pose.
- Any disc injury, spinal fusion or history of vertebral fracture.
- Sacroiliac dysfunction; the locked pelvis leaves the joint no give.
- Recent abdominal, hernia or chest surgery.
- Knee or ankle injury — full lotus is not negotiable in this shape, so choose Ardha Matsyendrasana instead.
General information only — not medical advice. Some asanas are unsuitable during pregnancy, injury or specific conditions. Learn from a qualified teacher and stop if anything hurts. If you are pregnant, recovering from surgery or managing any health condition, ask your doctor before starting a practice, and learn the pose itself from a qualified teacher who can see you move.
Common mistakes in Full Lord of the Fishes Pose
What tends to go wrong, and the specific correction — not "engage your core".
MistakeAttempting the bind before full lotus is comfortable on its own.
FixPractise the lotus separately for months; a forced knee is a long injury.
MistakeHolding the breath to squeeze deeper into the bind.
FixIf the breath stops, the twist is past your range — come back to where it flows.
What a practice like this costs in energy
Nobody has measured a single asana in a metabolic cart. The 2024 Adult Compendium of Physical Activities publishes MET values per style of practice, so Full Lord of the Fishes Pose is mapped to the nearest published code — 02175, yoga, Power, 4 MET — and the figures below are for a practice of that kind, not for holding this one pose.
| Time practising | 10 min | 20 min | 30 min | 45 min | 60 min |
|---|---|---|---|---|---|
| Calories | 49 | 98 | 147 | 221 | 294 |
Calculated as MET × 3.5 × 70 kg ÷ 200 kcal per minute — the standard ACSM relationship, shown in full on the method page. Scale it to your own weight by multiplying by your weight in kilograms and dividing by 70. The whole activity dataset, including every non-yoga activity, is at BurnLab.
Questions
How do you do Full Lord of the Fishes Pose?
Sit and fold the right leg into full lotus position on the left thigh, only if that shape is already easy for you. Bend the left knee and stand the left foot flat on the floor outside the right thigh. Rotate the trunk to the left and wrap the right arm around the outside of the standing shin. Take the left arm behind the back and clasp the right hand or wrist to complete the bind. Lengthen on each inhale and turn a little further on each exhale, then unwind carefully and change sides. Hold for 20–40 seconds each side.
What does Full Lord of the Fishes Pose work?
Primarily the obliques, spinal erectors, hip flexors, with the shoulders, chest, glutes assisting or lengthening. In mechanical terms: produces the deepest seated rotation in the tradition, with the pelvis completely locked by the folded legs.
Who should not do Full Lord of the Fishes Pose?
Pregnancy — do not practise this pose. Any disc injury, spinal fusion or history of vertebral fracture. Sacroiliac dysfunction; the locked pelvis leaves the joint no give. Recent abdominal, hernia or chest surgery. Knee or ankle injury — full lotus is not negotiable in this shape, so choose Ardha Matsyendrasana instead. This is general information, not medical advice — if any of these apply to you, ask your doctor and learn the pose with a qualified teacher rather than from a page.
Is Full Lord of the Fishes Pose suitable for beginners?
No. Full Lord of the Fishes Pose is rated advanced. The shape itself is rarely the problem — arriving at it years too early is. Work through the beginner and intermediate twists poses on this site and learn this one in person.
How many calories does Full Lord of the Fishes Pose burn?
The honest answer is that nobody has measured a single asana. The 2024 Adult Compendium of Physical Activities publishes MET values for styles of yoga, not for individual poses. Full Lord of the Fishes Pose sits closest to Compendium code 02175, yoga, Power, at 4 MET — about 147 kcal for 30 minutes of that kind of practice for a 70 kg adult. Holding one pose for a minute is a rounding error either way.
Related poses
More twists — first at the same level, then the rest of the family.
Asana names are traditional. Every step, benefit and caution on this page is written for YogaPath rather than reproduced from any book, studio or other library — see how this site is written. Energy figures derive from the 2024 Adult Compendium of Physical Activities. General information only — not medical advice. Some asanas are unsuitable during pregnancy, injury or specific conditions. Learn from a qualified teacher and stop if anything hurts.