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  7. Ardha Matsyendrasana Yoga Pose

Exercise guide

Ardha Matsyendrasana Yoga Pose

  • Intermediate
  • Compound
  • Timed hold
  • Lower arms
  • Lower legs
  • Shoulders
  • Upper arms
  • Upper legs
  • Waist

This seated spinal twist improves spinal mobility and digestive function while deeply stretching the glutes and engaging the obliques and trapezius for postural support.

Reviewed by the Crucible Fit team · Updated June 2026

Watch the Ardha Matsyendrasana Yoga Pose demonstrationVideo and instructions for every movement are in the Crucible Fit app.

Muscles worked

Primary

  • Abs
  • Glutes
  • Obliques
  • Trapezius

Secondary

  • Erector spinae
  • Hamstrings
  • Quadriceps

Equipment

  • Body weight

Setup

  1. Sit on the floor with both legs extended straight in front of you.
  2. Bend your right knee and place your right foot flat on the floor on the outside of your left thigh.
  3. Bend your left knee and tuck your left foot in toward your right hip, ensuring both sit bones remain firmly grounded.
  4. Place your right hand on the floor directly behind your sacrum to support an upright spine.

How to do it

  1. Inhale deeply and reach your left arm toward the ceiling to create maximum length in your torso.
  2. Exhale as you rotate your torso to the right, hooking your left elbow outside your right knee or hugging the knee to your chest.
  3. Gaze over your right shoulder while maintaining a slow, controlled breathing tempo.
  4. Hold the position for 30-60 seconds, then slowly release and repeat on the opposite side.

Form checklist

  • Keep both sit bones pressed evenly into the mat throughout the pose.
  • Lengthen the spine on every inhale and deepen the twist on every exhale.
  • Keep your shoulders relaxed and pulled away from your ears.
  • Avoid leaning back into your supporting hand; use it only for balance, not as a crutch.

Pro tips

  • Initiate the rotation from your mid-back and obliques rather than pulling with your arms to protect the lower spine.
  • Press the big toe of your upright foot firmly into the floor to stabilize the pelvis and intensify the stretch in the outer glute.

Make it harder

  • Incorporate a 'bind' by threading your left arm through the space under your right knee and reaching around your back to clasp your right hand.
  • Turn your head further to look past your shoulder to increase the stretch through the cervical spine and upper trapezius.

Frequently asked

What muscles does the ardha matsyendrasana yoga pose work?
The ardha matsyendrasana yoga pose primarily targets the abs, glutes, obliques, and trapezius, and also works the erector spinae, hamstrings, and quadriceps as secondary muscles.
What equipment do you need for the ardha matsyendrasana yoga pose?
The ardha matsyendrasana yoga pose requires no equipment — just your body weight.
Is the ardha matsyendrasana yoga pose good for beginners?
The ardha matsyendrasana yoga pose is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.

Related exercises

  • Bear Walk To Rolling RockIntermediate · abs, hamstrings, obliques, and trapezius
  • Dynamic 90 90 Hip TwistIntermediate · abs, glutes, and obliques
  • Elbow Plank Thigh TapIntermediate · abs, obliques, pectorals, and trapezius
  • Elevated Lunge T Spine RotationIntermediate · abs, glutes, hamstrings, obliques, and quadriceps

Train it with Crucible Fit.

Every movement in this library is in the app with video and instructions, ready for your own sessions on the days between Crucibles. Your first Crucible is on us.

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