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Published on: 10/8/2026

Where psoas muscle pain is felt, and what else it can be

Psoas muscle pain is typically felt deep in the front of the hip and groin, and it can also radiate into the lower back, buttock, pelvis, upper thigh, or even mimic hip joint pain, often worsening when you stand up, climb stairs, or sit for long periods. Because the psoas sits near the spine, hip, and abdominal organs, similar pain can also stem from a hip labral tear, hip flexor strain, lumbar disc problems, sacroiliac joint dysfunction, hernia, appendicitis, kidney issues, or less commonly a psoas abscess or hematoma. Red flags such as fever, numbness, weakness, unexplained weight loss, or pain that wakes you at night point toward causes that need prompt evaluation. There are several important distinctions and warning signs to consider, so see below to understand more.

Since groin and hip pain has many overlapping causes, the fastest way to sort out what is likely driving yours is to review your specific symptoms, timing, and risk factors rather than guess. Take a free, instant, online symptom check to see which conditions best match your pattern of pain and what level of care makes sense as your next step.

Last reviewed for medical accuracy: 10/08/2026

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Explanation

Understanding Psoas Muscle Pain

Psoas muscle pain refers to discomfort originating from the psoas major—a deep core muscle that connects your lower spine to the top of your thigh bone. Acting as a hip flexor, it helps you lift your knee, bend at the waist, and stabilize your spine. When the psoas becomes tight, strained, or inflamed, you may notice pain, stiffness, or limited mobility.


Where Psoas Muscle Pain Is Felt

Psoas-related discomfort often shows up in areas including:

  • Lower back: A dull ache or sharp twinge just above the hips.
  • Pelvic region: Deep, aching sensations in front of the pelvis.
  • Groin: Pain when lifting the leg or standing up.
  • Upper thigh: Discomfort that may radiate down toward the inside of the thigh.
  • Buttock (occasionally): Referred pain due to muscle tightness.

Because the psoas sits so deep, you might struggle to pinpoint the exact spot of pain. It can feel like general stiffness across your hips and lower back.


Common Causes of Psoas Muscle Pain

  1. Muscle strain or overuse

    • Sudden movements, heavy lifting or repetitive hip-flexion activities (e.g., running, cycling)
    • Poor warm-up or training errors
  2. Prolonged sitting

    • Office work, long drives or sedentary lifestyles shorten and tighten the psoas
  3. Poor posture

    • Slouching in a chair or standing with uneven weight distribution
  4. Muscle imbalance

    • Weak glutes or core muscles place extra load on the psoas
  5. Trigger points

    • Knots in the psoas that refer pain to surrounding areas

Other Conditions That Mimic Psoas Muscle Pain

Not all pain felt in the lower back, groin or pelvis is due to the psoas. Consider these possibilities:

• Herniated lumbar disc
– Radiating leg pain (sciatica), numbness or tingling

• Hip joint problems
– Osteoarthritis, labral tears: stiffness, limited range of motion

• Iliopsoas bursitis or tendonitis
– Inflammation of the bursa or tendon overlying the psoas

• Kidney stones or infection
– Sharp flank pain, blood in urine, fever

• Appendicitis
– Sudden right-side abdominal pain, nausea, fever

• Gynecological issues (in women)
– Ovarian cysts, endometriosis: pelvic cramps, irregular bleeding

• Hernia
– Bulge in the groin or lower abdomen with lifting or straining

• Abdominal aortic aneurysm (rare but serious)
– Deep, constant back or flank pain, pulsating abdominal mass

Because these conditions can share symptoms with psoas muscle pain, it’s important to look at the overall picture: onset, severity, accompanying signs (fever, bowel changes, urinary issues) and triggers (activity, eating, standing).


Recognizing Psoas-Related Symptoms

In addition to localized pain, you may notice:

  • Difficulty standing straight or walking uphill
  • Stiffness after sitting for long periods
  • Reduced flexibility when bending forward or backward
  • Pain that eases with gentle stretching or massage

If discomfort grows worse at rest, worsens at night, or is accompanied by fever, chills, weight loss or neurological signs (numbness, weakness), this may signal a more serious condition.


Self-Care and Treatment Strategies

For mild to moderate psoas muscle pain, try:

• Gentle stretching

  • Kneeling hip flexor stretch: Kneel on one knee, push hips forward, keep back straight.
  • Supine psoas stretch: Lie on your back, pull one knee to chest, let the other leg extend off the bed’s edge.

• Heat and cold therapy

  • Ice for the first 48 hours (15-minute intervals) to reduce inflammation.
  • Heat pads thereafter to relax tight muscle fibers.

• Over-the-counter pain relief

  • NSAIDs (e.g., ibuprofen) as directed on the label.

• Posture correction

  • Use a lumbar-support pillow at your desk or in the car.
  • Take frequent breaks to stand and gently move or stretch.

• Core and glute strengthening

  • Bridges, planks and bird-dog exercises can help balance hip flexors.

• Professional therapies

  • Physical therapy for tailored exercise programs.
  • Massage or myofascial release to ease trigger points.
  • Chiropractic or osteopathic care for spinal alignment.

Warning Signs: When to Seek Immediate Help

Contact a medical professional or call emergency services if you experience:

  • Severe, sudden back or abdominal pain
  • High fever or chills
  • Difficulty breathing
  • Numbness or weakness in legs
  • Loss of bladder or bowel control
  • Unintended weight loss
  • Blood in urine or stool

These could indicate serious conditions like appendicitis, aneurysm, kidney issues or nerve compression.


Getting a Quick Check on Your Symptoms

If you’re unsure what’s causing your pain, you might consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. This tool can help you understand your symptoms and decide whether you need urgent care.


Talking to Your Doctor

Always share detailed information with your healthcare provider:

  • Onset, duration and intensity of pain
  • Activities that worsen or relieve symptoms
  • Any recent injuries, infections or changes in daily routine
  • Other symptoms: fever, bowel or bladder changes, weight loss

Your doctor may recommend imaging (X-ray, MRI), blood tests or referral to a specialist (orthopedist, neurologist, urologist, gynecologist) based on your presentation.


Key Takeaways

  • Psoas muscle pain typically presents as lower back, pelvic or groin discomfort.
  • Overuse, poor posture and prolonged sitting are common culprits.
  • Similar symptoms can arise from spine, hip, kidney, abdominal or vascular problems.
  • Gentle stretching, heat/cold therapy, posture correction and strengthening help most mild cases.
  • Watch for red-flag signs—severe pain, neurological deficits, fever—and seek immediate care.
  • Use the Ubie Symptom Checker for a quick, doctor-approved online assessment.
  • Always speak to a doctor about anything life threatening or serious.

Taking steps early—stretching, adjusting posture, and checking symptoms—can often relieve psoas muscle pain before it becomes chronic. But never hesitate to get professional advice if you have worrying signs or if pain persists despite home care. Your health is worth prompt attention.

(References)

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  • * Blankenbaker DG, Tuite MJ. Iliopsoas musculotendinous unit. Semin Musculoskelet Radiol. 2008 Mar;12(1):13-27. doi: 10.1055/s-2008-1067934. PMID: 18382941.

  • * Touray ST, de Leeuw MA, Zuurmond WW, Perez RS. Psoas compartment block for lower extremity surgery: a meta-analysis. Br J Anaesth. 2008 Dec;101(6):750-60. doi: 10.1093/bja/aen298. Epub 2008 Oct 22. PMID: 18945717.

  • * Agten CA, Rosskopf AB, Zingg PO, Peterson CK, Pfirrmann CW. Outcomes after fluoroscopy-guided iliopsoas bursa injection for suspected iliopsoas tendinopathy. Eur Radiol. 2015 Mar;25(3):865-71. doi: 10.1007/s00330-014-3453-x. Epub 2014 Oct 3. PMID: 25278249.

  • * Marin-Peña Ó, Sierra-Madrid P, Lax-Pérez R, Ferrero-Manzanal F. Extrarticular hip impingement. Hip Int. 2016 May 14;26 Suppl 1:14-6. doi: 10.5301/hipint.5000411. Epub 2016 May 12. PMID: 27174060.

  • * Anderson CN. Iliopsoas: Pathology, Diagnosis, and Treatment. Clin Sports Med. 2016 Jul;35(3):419-433. doi: 10.1016/j.csm.2016.02.009. Epub 2016 Mar 28. PMID: 27343394.

  • * Andronic O, Nakano N, Daivajna S, Board TN, Khanduja V. non-arthroplasty iliopsoas impingement in athletes: a narrative literature review. Hip Int. 2019 Sep;29(5):460-467. doi: 10.1177/1120700019831945. Epub 2019 Apr 3. PMID: 30942093.

  • * Moreta J, Cuéllar A, Aguirre U, Casado-Verdugo ÓL, Sánchez A, Cuéllar R. Outside-in arthroscopic psoas release for anterior iliopsoas impingement after primary total hip arthroplasty. Hip Int. 2021 Sep;31(5):649-655. doi: 10.1177/1120700020909159. Epub 2020 Feb 25. PMID: 32093495.

  • * Vergori A, Pianura E, Lorenzini P, D'Abramo A, Di Stefano F, Grisetti S, Vita S, Pinnetti C, Donno DR, Marini MC, Nicastri E, Ianniello S, Antinori A, ReCOVeRI Study Group. Spontaneous ilio-psoas haematomas (IPHs): a warning for COVID-19 inpatients. Ann Med. 2021 Dec;53(1):295-301. doi: 10.1080/07853890.2021.1875498. PMID: 33491498; PMCID: PMC7877978.

  • * Banke IJ, Zimmerer A, Goronzy J, von Eisenhart-Rothe R, Twardy V. [Iliopsoas impingement]. Schmerz. 2025 Dec;39(6):449-461. doi: 10.1007/s00482-025-00910-9. PMID: 41105240.

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