The psoas foam roller technique targets the psoas major — the deep hip flexor that connects the lumbar spine to the femur. This muscle becomes chronically shortened from sitting, pulling the pelvis into anterior tilt and contributing to lower back pain, hip stiffness, and restricted hip extension.
Setup
Lie face-down on the floor with a foam roller positioned horizontally beneath your hips.
Shift your body so the roller is on one side, pressing into the area just inside the hip bone (anterior superior iliac spine) and slightly toward the midline — this is where the psoas is accessible.
The opposite leg can be bent out to the side for stability.
Relax your body weight onto the roller and breathe deeply for 20–30 seconds.
Slowly bend and straighten the knee on the side being worked — this creates a flossing effect on the psoas.
Shift the roller slightly up or down and repeat. Work each side for 60–90 seconds.
Coaching Cues
What to feel:
Deep pressure in the front of the hip, between the hip bone and the belly button
A releasing sensation as you breathe into the pressure
Possible referred sensation into the lower back or down the front of the thigh
Common mistakes:
Rolling directly on the hip bone — position the roller on the soft tissue medial to the bone
Tensing your abdominals — relax completely and let gravity create the pressure
Rolling too fast — the psoas is deep and requires sustained pressure to release
Confusing the rectus femoris (quad) for the psoas — the psoas is deeper and more medial
warning
The psoas area is sensitive and close to internal organs. Use moderate pressure and stop if you feel pulsing (aorta), sharp pain, or any unusual sensation. If you have a history of abdominal surgery or hernias, consult a professional before performing this technique.
Video and animated demos coming soon.
Programming
Parameter
Recommendation
Duration
60–90 seconds per side
Sets
1–2 per side
Frequency
3–5x per week, especially for desk workers
When to do it
Lower body focus, post-shift recovery, full mobility session
Progressions
Beginner: Soft foam roller, minimal body weight (support yourself on your elbows). Focus on just finding the right spot.
Intermediate: Firm foam roller with full body weight, adding knee bend/extend movements.
Advanced: Replace the foam roller with a lacrosse ball for more targeted pressure. Add hip internal/external rotation while pinned.