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  5. Legs
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  7. Seated Piriformis Stretch On A Chair

Exercise guide

Seated Piriformis Stretch On A Chair

  • Beginner
  • Isolation
  • Timed hold
  • Hips
  • Lower legs

This stretch targets the piriformis and deep gluteal rotators to improve hip mobility and alleviate lower back tension. It is an effective 'figure-4' variation that can be performed anywhere to release tightness from prolonged sitting.

Reviewed by the Crucible Fit team · Updated June 2026

Watch the Seated Piriformis Stretch On A Chair demonstrationVideo and instructions for every movement are in the Crucible Fit app.

Muscles worked

Primary

  • Glutes

Secondary

  • Adductors
  • Hamstrings

Equipment

  • Body weight

Setup

  1. Sit upright on the edge of a stable chair with your feet flat on the floor, hip-width apart.
  2. Cross your right ankle over your left thigh, just above the knee, forming a 'figure-4' shape.
  3. Flex your right foot to engage the muscles around the knee for joint protection.

How to do it

  1. Inhale deeply and lengthen your spine to sit as tall as possible.
  2. Exhale and slowly hinge forward at the hips, keeping your chest lifted and back flat.
  3. Hold the stretch for 20-30 seconds while maintaining deep, rhythmic breathing.
  4. Slowly return to the starting position and repeat the process on the opposite leg.

Form checklist

  • Keep your spine neutral and avoid rounding your shoulders or lower back.
  • Ensure both sit-bones remain firmly planted on the chair throughout the movement.
  • Stop leaning forward once you feel a deep stretch in the outer glute; do not force the range of motion.
  • Keep the crossed knee tracking outward, not collapsing toward your chest.

Pro tips

  • Think about pushing your tailbone back into the chair as you lean forward to intensify the stretch in the deep hip rotators.
  • If you feel a pinch in the front of the hip, back off the lean and focus on sitting taller before hinging.

Make it harder

  • Gently apply downward pressure to the inside of the crossed knee with your hand to increase external rotation.
  • Incorporate 'PIR' (Post-Isometric Relaxation) by pushing your ankle into your thigh for 5 seconds, then relaxing into a deeper stretch.

Frequently asked

What muscles does the seated piriformis stretch on a chair work?
The seated piriformis stretch on a chair primarily targets the glutes, and also works the adductors and hamstrings as secondary muscles.
What equipment do you need for the seated piriformis stretch on a chair?
The seated piriformis stretch on a chair requires no equipment — just your body weight.
Is the seated piriformis stretch on a chair good for beginners?
Yes. The seated piriformis stretch on a chair is a beginner-friendly movement and a strong foundation to build on.

Related exercises

  • 45 Degrees Single Leg Reverse HyperextensionIntermediate · erector spinae, glutes, and hamstrings
  • Air Pillow Balance Counterbalanced Skater SquatAdvanced · glutes, hamstrings, and quadriceps
  • Alternate Forward Step Arm SwingIntermediate · calves, glutes, and quadriceps
  • Alternating Kneeling To Half KneelingBeginner · glutes 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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