Understanding Chronic Sacroiliac Joint Dysfunction: A Patient’s Guide

May 10, 2024

Featured image for “Understanding Chronic Sacroiliac Joint Dysfunction: A Patient’s Guide”

Sacroiliac (SI) joint dysfunction is a common cause of lower back pain that can significantly impact quality of life. Despite being a prevalent condition, it is often misunderstood and misdiagnosed. As a healthcare professional, my goal is to provide patients with accurate, up-to-date information about SI joint dysfunction to help them better understand their condition and actively participate in their care.

In this comprehensive guide, we will explore the anatomy and function of the SI joints, common causes and risk factors for dysfunction, diagnostic strategies, and evidence-based treatment options. Whether you are newly diagnosed or have been living with SI joint pain for years, this article aims to empower you with knowledge and practical tips for managing your symptoms and optimizing your health.

What is the Sacroiliac Joint?

The sacroiliac (SI) joint connects the sacrum at the base of the spine to the ilium of the pelvis on each side.[1] The SI joints transfer loads between the upper body and legs. They have a small amount of motion, tilting and rotating slightly with bending and twisting.[2]

Strong ligaments reinforce the SI joint to provide stability. Several muscles also attach around the joint, including the piriformis, gluteus maximus, and erector spinae. These muscles help control motion of the SI joint. Dysfunction can lead to chronic sacroiliac joint pain.

What Causes Sacroiliac Joint Dysfunction?

SI joint dysfunction has many potential causes. Some common ones include:

  • Traumatic injury from falls, car accidents, or contact sports[1]
  • Repetitive stress from activities like running, figure skating, or golfing[1]
  • Pregnancy, due to weight gain, hormonal changes, and stress on the pelvis[1]
  • Inflammatory arthritis conditions like ankylosing spondylitis[3]
  • Uneven leg lengths or scoliosis altering mechanics of the SI joint[4]

Risk factors that make a person more susceptible to SI joint problems include older age, obesity, sedentary lifestyle, and prior lumbar fusion surgery.[1] Women are more commonly affected than men.

Symptoms of Sacroiliac Joint Dysfunction

The most common symptoms of SI joint dysfunction include:

  • Pain in the lower back, buttock, hip, groin, or back of the thigh[1]
  • Stiffness and reduced range of motion in the lower back, hip, pelvis
  • Pain that worsens with prolonged sitting, standing, or climbing stairs
  • Feeling of instability, weakness, or leg buckling
  • Disturbed sleep due to pain and difficulty getting comfortable[1]

Pain from the SI joint can mimic that of the lower back or hip, making it challenging to diagnose. The pain rarely radiates below the knee. Symptoms often worsen with activities that stress the joint.

Diagnosing Sacroiliac Joint Dysfunction

Diagnosis of SI joint dysfunction begins with a thorough patient history and physical exam. The doctor will ask about your symptoms, activities, and medical history. During the exam, they will palpate the SI joint and perform provocation tests.[5]

Provocation tests put stress on the SI joint to see if it elicits pain. Common ones include the FABER test, Gaenslen’s test, and sacral thrust. If at least 3 out of 5 tests are positive, it suggests SI joint dysfunction with 94% sensitivity.[5]

Imaging tests like X-rays, CT, or MRI may be ordered to rule out other conditions such as fractures, arthritis, or tumors. However, imaging cannot definitively diagnose SI joint dysfunction.[5]

The gold standard for diagnosis is an intra-articular injection of local anesthetic into the SI joint under image guidance. If this provides at least 75% relief of symptoms, it confirms the SI joint as the source of pain.[1]

Non-Surgical Treatments for Sacroiliac Joint Dysfunction

Conservative treatment is always the first approach for managing SI joint dysfunction. Options include:

  1. Activity modification: Avoiding or limiting activities that aggravate SI joint pain[1]
  2. Physical therapy: Stretching to improve flexibility, strengthening to stabilize the joint, and aerobic exercise to maintain fitness[1]
  3. Medications: Over-the-counter pain relievers like acetaminophen or NSAIDs, muscle relaxants, or neuropathic pain drugs[1]
  4. SI joint belts: Worn around the pelvis to add compression and limit painful motion[1]
  5. Intra-articular steroid injections: Providing longer-lasting anti-inflammatory effects[1]
  6. Radiofrequency ablation: Using heat to destroy sensory nerves to the SI joint[1]

The best treatment plan often involves a combination of these approaches tailored to the individual patient. The goal is to reduce pain and inflammation, restore normal motion and stability, and improve function.

Physical Therapy for Sacroiliac Joint Dysfunction

Physical therapy is a key component of treating SI joint dysfunction. A physical therapist will develop an individualized program based on the patient’s specific impairments and functional limitations. Therapy often includes:

  • Stretching exercises for muscles that are tight or in spasm, like the piriformis, hip flexors, and hamstrings. Stretching helps restore normal motion and symmetry.[6]
  • Strengthening exercises for muscles that stabilize the SI joint and pelvis, like the gluteus medius, multifidi, and transverse abdominis. Strengthening promotes proper joint mechanics.[6]
  • Aerobic conditioning with low-impact activities like walking, swimming, or cycling. This maintains cardiovascular health and assists with weight management.[6]
  • Manual therapy techniques like joint mobilization or manipulation, soft tissue massage, and myofascial release. These help alleviate pain and muscle guarding.[6]

The therapist will also provide education on proper posture, body mechanics, and activity modification. They may recommend assistive devices like SI belts, lumbar support cushions, or orthotics if needed. The patient will be given a home exercise program to perform regularly.

Sacroiliac Joint Injections

Injections into the SI joint play an important role in both diagnosis and treatment of dysfunction. An intra-articular anesthetic injection that provides significant relief of symptoms is diagnostic of SI joint pain.[1]

For longer-term pain relief and anti-inflammatory effects, a corticosteroid medication is often included. The injection is performed using fluoroscopic or ultrasound guidance to ensure accurate needle placement into the joint space.[1]

Potential risks of SI joint injections include:

  • Pain and bruising at the injection site
  • Infection
  • Allergic reaction to medications used
  • Temporary leg numbness or weakness

Injections are generally safe when performed by a skilled and experienced physician. They can provide diagnostic confirmation and therapeutic relief for several months. Repeated injections may be given, usually limited to 3-4 per year.[1]

Radiofrequency Ablation of the SI Joint

For patients who experience good but temporary relief from SI joint injections, radiofrequency ablation (RFA) may provide longer-lasting benefit. RFA involves using heat to destroy the sensory nerves that transmit pain signals from the SI joint.[1]

The procedure is performed under image guidance. A special needle called a cannula is inserted near the nerves. The tip heats up a small area, cauterizing the nerve tissue. This disrupts the pain signals from reaching the brain.[1]

Risks of RFA include:

  • Pain and bruising at the procedure site
  • Infection
  • Damage to surrounding tissues
  • Numbness or weakness from nerve injury

RFA is generally safe and well-tolerated. It can provide pain relief for 6-12 months or more. The nerves will eventually regenerate, but the procedure can be repeated if needed.[1] RFA works best when combined with physical therapy to address joint dysfunction.

When is Surgery Considered for SI Joint Dysfunction?

Surgery for SI joint dysfunction is typically a last resort when all other conservative treatments have failed to provide adequate relief. The most common surgical procedure is SI joint fusion, which aims to permanently stabilize the joint.

Indications for considering SI joint fusion surgery include:

  • Chronic SI joint pain lasting 6 months or more
  • Failure to respond to conservative care like PT, medications, injections
  • Confirmation of SI joint as pain source with diagnostic injections
  • Significant functional limitations and reduced quality of life[7]

Minimally invasive surgical techniques have been developed in recent years. These use smaller incisions and specialized implants to fuse the joint with less disruption to surrounding muscles and ligaments compared to traditional open surgery.[7]

Potential benefits of minimally invasive SI joint fusion include:

  • Reduced blood loss and surgical time
  • Shorter hospital stay and recovery period
  • Lower risk of complications like infection or nerve injury
  • Quicker return to activities[7]

However, all surgery carries risks. Careful patient selection and thorough discussion of expected outcomes and possible complications is important. Post-operative rehabilitation is essential to optimize recovery.

Lifestyle Changes to Manage Sacroiliac Joint Pain

In addition to medical treatments, patients can make lifestyle modifications to reduce stress on the SI joints and manage pain. Helpful changes include:

  1. Maintaining a healthy weight to minimize excess forces on the joints. Even modest weight loss can make a difference.[8]
  2. Using good posture and body mechanics when sitting, standing, and lifting. This means keeping the natural curves of the spine, pivoting with the feet instead of twisting, and bending at the knees when lifting heavy objects.[8]
  3. Staying active with low-impact exercise like walking, swimming, or using an elliptical trainer. Regular physical activity helps maintain joint mobility, muscle strength, and body weight.[8]
  4. Alternating positions frequently to avoid prolonged sitting or standing. Take standing or walking breaks every 30-60 minutes when working at a desk.[8]
  5. Sleeping on a supportive mattress and pillow to maintain spinal alignment. A firm or medium-firm mattress is often recommended. Pillows should support the neck without propping the head too high.[8]
  6. Managing stress levels with relaxation techniques like deep breathing, meditation, or yoga. Mental stress can increase perception of pain and make it harder to cope.[8]
  7. Avoiding smoking and excessive alcohol use, which can impair bone and joint health. Smoking also interferes with healing and increases risk of surgical complications.[8]

Making these changes can be challenging, but they are important for reducing SI joint dysfunction symptoms and improving overall health. Work with your healthcare team to set realistic goals and overcome any barriers.

Complementary and Alternative Medicine for SI Joint Pain

Some patients with SI joint dysfunction seek out complementary and alternative medicine (CAM) therapies to manage their symptoms. Common CAM approaches include:

  • Acupuncture: Inserting thin needles into specific points on the body to stimulate healing and relieve pain. Some studies suggest it may help SI joint pain.[9]
  • Chiropractic manipulation: Applying controlled force to the spine and pelvis to improve joint motion and function. Chiropractors often use a drop table for SI joint manipulation.[9]
  • Massage therapy: Manipulating soft tissues to relax tense muscles, increase circulation, and reduce pain. Techniques may include Swedish, deep tissue, or myofascial release.[9]
  • Yoga or Pilates: Gentle movement practices that combine stretching, strengthening, and breath work. Specific poses or exercises may be modified to accommodate SI joint issues.[9]
  • Herbal medicine: Using plant-based remedies to reduce inflammation and relieve pain. Examples include turmeric, boswellia, and white willow bark.[9]

It’s important to discuss any CAM therapies you are considering with your doctor to ensure they are safe and appropriate for your condition. Some may interact with medications or pose other risks. Look for licensed and experienced practitioners.

While CAM therapies can be helpful for some patients, they should not replace conventional medical care for SI joint dysfunction. Work with your healthcare team to integrate CAM into your overall treatment plan.

Coping with Chronic Sacroiliac Joint Pain

Living with chronic SI joint pain can be physically and emotionally challenging. In addition to seeking medical treatment, patients can use a variety of coping strategies to improve their quality of life:

  1. Pain management techniques: Applying heat or cold packs, using relaxation methods like deep breathing or visualization, or distracting yourself with enjoyable activities.[10]
  2. Pacing activities: Breaking up tasks into smaller, more manageable parts and taking frequent rest breaks to avoid overdoing it and triggering a pain flare.[10]
  3. Assistive devices: Using mobility aids like a cane or walker, ergonomic tools like a reacher or sock aid, or cushions and supports to improve comfort and function.[10]
  4. Social support: Connecting with understanding family and friends, joining a chronic pain support group, or seeing a therapist for help with difficult emotions and stress.[10]
  5. Staying engaged in life: Pursuing hobbies and interests, volunteering, working or taking classes as you are able. Focusing on what you can do rather than your limitations.[10]
  6. Advocating for yourself: Learning about your condition, tracking your symptoms, asking questions at medical appointments, and being proactive in your care.[10]

Acceptance and self-compassion are also key. It’s normal to have both good and bad days with a chronic pain condition. Be kind to yourself and celebrate small victories. Remember that flare-ups are temporary and do not mean you are regressing.

Working with Your Doctor to Manage SI Joint Dysfunction

Effective management of SI joint dysfunction requires a strong partnership between patient and healthcare providers. Tips for working well with your doctor include:

  • Be honest and detailed about your symptoms, including what makes them better or worse, how much they interfere with daily activities, and what self-care measures you have tried.
  • Ask questions if you don’t understand something. Have the doctor explain it in plain language or provide written materials. Consider bringing a family member to appointments if needed.
  • Follow your treatment plan to the best of your ability. Let your doctor know if you have any side effects, concerns, or barriers to care. They may be able to modify the plan or provide resources.
  • Keep a symptom and treatment log to track your pain levels, activities, medications, and other therapies. Share this information with your doctor to help guide treatment decisions.
  • Get copies of your medical records and imaging studies. Organize them in a binder or on a flash drive. This is especially helpful if you are seeing multiple providers.
  • Explore reputable sources to learn more about SI joint dysfunction, such as medical society websites, government health organizations, or academic medical centers. Share what you learn with your doctor.
  • Be patient and persistent. It can take time and trial-and-error to find the best combination of treatments for your individual needs. Don’t get discouraged if something doesn’t work right away.

Remember, you are the expert on your own body and experiences. Your doctor is there to provide guidance and support, but ultimately you are in charge of your health. Speak up, ask for what you need, and don’t hesitate to get a second opinion if necessary.

The Mind-Body Connection in SI Joint Dysfunction

Chronic pain conditions like SI joint dysfunction can have a significant impact on mental and emotional well-being. Pain is not just a physical sensation, but a complex experience influenced by thoughts, beliefs, and emotions.[11]

Research has shown that factors like stress, anxiety, depression, and catastrophic thinking can amplify pain perception and disability.[11] Conversely, positive emotions, strong social support, and active coping strategies can help buffer the impact of pain.

Mind-body therapies that may be helpful for SI joint pain include:

  • Cognitive-behavioral therapy (CBT): Working with a therapist to identify and change negative thought patterns and behaviors that contribute to pain and stress.[11]
  • Mindfulness meditation: Practicing present-moment awareness and acceptance of physical sensations, thoughts, and emotions without judgment.[11]
  • Biofeedback: Using sensors to monitor physiological processes like muscle tension or heart rate and learning to consciously control them for relaxation.[11]
  • Hypnosis: Entering a state of focused attention and heightened suggestibility to alter pain perception and promote healing.[11]

These therapies can be used in conjunction with conventional medical treatments for a holistic approach to managing SI joint dysfunction. They help patients develop resilience, self-efficacy, and active coping skills.

It’s important to address any co-existing mental health concerns like depression or anxiety that may be barriers to effective pain management. Treating the whole person, not just the physical symptoms, is essential for optimal outcomes.

Staying Fit and Active with SI Joint Dysfunction

Regular exercise is one of the most important things patients with SI joint dysfunction can do to manage their condition. However, it can be challenging to know what types of activities are safe and beneficial. Some general guidelines include:

  • Low-impact aerobic exercise: Activities like walking, swimming, cycling, or using an elliptical machine that don’t put excessive stress on the joints. Aim for 30 minutes per day, 5 days per week.[12]
  • Strength training: Resistance exercises that target the core, hips, and legs to support the SI joints. Use proper form and progress gradually to avoid injury. Consult with a physical therapist or certified fitness professional.[12]
  • Flexibility and mobility work: Stretching and range-of-motion exercises to maintain joint function and prevent stiffness. Focus on the muscles around the pelvis, hips, and lower back. Yoga or Pilates can be good options when modified appropriately.[12]
  • Body awareness and balance training: Exercises that challenge proprioception and stability, such as single-leg standing or unstable surface training. These help retrain optimal movement patterns and prevent falls.[12]

It’s important to listen to your body and pace yourself. Modify or stop any activities that cause a significant increase in pain. Use good posture and body mechanics during exercise and daily activities.

Some potentially aggravating activities that may need to be limited or avoided include:

  • High-impact movements like running, jumping, or contact sports
  • Exercises that involve significant twisting or asymmetric loading of the pelvis
  • Prolonged sitting or standing in the same position
  • Heavy lifting or manual labor tasks

Remember, every patient is different. What works well for one person may not be appropriate for another. Work closely with your healthcare team to develop an individualized exercise plan that meets your needs and goals.

Prognosis and Long-Term Outlook for SI Joint Dysfunction

The prognosis for sacroiliac joint dysfunction varies depending on the underlying cause, severity of symptoms, and individual patient factors. In general, most patients can achieve good pain relief and functional improvement with conservative treatments like physical therapy and medications.[13]

However, SI joint dysfunction can be a chronic, relapsing condition. Flare-ups of pain and stiffness may occur periodically, often triggered by physical or emotional stress. Patients may need ongoing self-care and medical interventions to manage their symptoms over time.

Factors that may contribute to a poorer prognosis include:

  • Advanced age
  • Obesity
  • Severe pain intensity and disability at presentation
  • Co-existing conditions like spinal stenosis, hip arthritis, or fibromyalgia
  • Suboptimal response to initial treatments
  • Poor adherence to self-care recommendations[13]

Rarely, patients with severe, disabling SI joint pain that does not respond to conservative care may be candidates for surgical fusion of the joint. While this can provide significant relief for some, it is a major procedure with potential risks and complications.[7]

Long-term management focuses on maximizing function, minimizing pain, and preventing disability. Strategies include:

  • Staying physically active and maintaining a healthy weight
  • Following an individualized home exercise program
  • Using medications as needed for pain and inflammation
  • Receiving periodic physical therapy tune-ups or booster sessions
  • Maintaining good posture and body mechanics
  • Managing stress and mental health concerns
  • Exploring complementary therapies as appropriate[13]

With a comprehensive, patient-centered approach, most individuals with SI joint dysfunction can lead full, active lives. A positive attitude, strong support system, and proactive self-care are key to optimizing outcomes.

Conclusion and Key Takeaways

Sacroiliac joint dysfunction is a common, but often misunderstood, cause of lower back and buttock pain. It can result from a variety of factors, including traumatic injury, repetitive stress, pregnancy, inflammatory arthritis, and biomechanical abnormalities.

Patients with SI joint pain often experience localized pain and stiffness that worsens with prolonged positions or transitional movements. Diagnosis involves a thorough clinical examination, provocative tests, and diagnostic joint injections.

Treatment for SI joint dysfunction typically begins with conservative measures like physical therapy, medications, and lifestyle modifications. Injection-based interventions, radiofrequency ablation, and surgical fusion may be considered for refractory cases.

Effective management requires a multi-disciplinary, individualized approach that addresses both physical and psychosocial factors. Patients play a key role in their own care through self-management strategies and open communication with their healthcare team.

While SI joint dysfunction can be a challenging, chronic condition, the overall prognosis is good with appropriate treatment. By working closely with their providers, staying active, and practicing healthy coping skills, most patients can achieve significant improvements in pain, function, and quality of life.

Key Takeaways for Patients

  1. SI joint dysfunction is a manageable condition, and there are many effective treatment options available.
  2. A precise diagnosis is important and may require specific clinical tests or injections. Imaging alone is not diagnostic.
  3. Physical therapy, medications, and lifestyle changes are the mainstays of initial treatment. Injections, nerve ablation, or surgery may be indicated for some patients.
  4. Staying physically active, maintaining a healthy weight, and practicing good posture and body mechanics can help reduce pain and prevent disability.
  5. Mind-body therapies and complementary approaches can be valuable tools for managing chronic pain and stress.
  6. Open communication and a strong partnership with your healthcare team are essential for optimal outcomes.
  7. Self-care and positive coping strategies are key to living well with SI joint dysfunction over the long-term.

If you are experiencing symptoms of SI joint dysfunction, don’t hesitate to seek medical care. With the right diagnosis and treatment plan, you can take control of your pain and get back to the activities you love.


  1. Cohen SP, Chen Y, Neufeld NJ. Sacroiliac joint pain: a comprehensive review of epidemiology, diagnosis and treatment. Expert Rev Neurother. 2013;13(1):99-116. doi:10.1586/ern.12.148
  2. Vleeming A, Schuenke MD, Masi AT, Carreiro JE, Danneels L, Willard FH. The sacroiliac joint: an overview of its anatomy, function and potential clinical implications. J Anat. 2012;221(6):537-567. doi:10.1111/j.1469-7580.2012.01564.x
  3. Garg G, Agarwal N, Agarwal P, Negi P. Sacroiliac Joint Dysfunction in Patients with Ankylosing Spondylitis. Cureus. 2022;14(1):e21531. Published 2022 Jan 22. doi:10.7759/cureus.21531
  4. Kiapour A, Joukar A, Elgafy H, Erbulut DU, Agarwal AK, Goel VK. Biomechanics of the Sacroiliac Joint: Anatomy, Function, Biomechanics, Sexual Dimorphism, and Causes of Pain. Int J Spine Surg. 2020;14(Suppl 1):3-13. Published 2020 Feb 10. doi:10.14444/6077
  5. Laslett M, Aprill CN, McDonald B, Young SB. Diagnosis of sacroiliac joint pain: validity of individual provocation tests and composites of tests. Man Ther. 2005;10(3):207-218. doi:10.1016/j.math.2005.01.003
  6. Kamali F, Zamanlou M, Ghanbari A, Alipour A, Bervis S. Comparison of manipulation and stabilization exercises in patients with sacroiliac joint dysfunction patients: A randomized clinical trial. J Bodyw Mov Ther. 2019;23(1):177-182. doi:10.1016/j.jbmt.2018.01.014
  7. Dengler J, Kools D, Pflugmacher R, et al. Randomized Trial of Sacroiliac Joint Arthrodesis Compared with Conservative Management for Chronic Low Back Pain Attributed to the Sacroiliac Joint. J Bone Joint Surg Am. 2019;101(5):400-411. doi:10.2106/JBJS.18.00022
  8. Cher D, Polly D, Berven S. Sacroiliac Joint pain: burden of disease. Med Devices (Auckl). 2014;7:73-81. Published 2014 Feb 14. doi:10.2147/MDER.S59437
  9. Nejati P, Safarcherati A, Karimi F. Effectiveness of Exercise Therapy and Manipulation on Sacroiliac Joint Dysfunction: A Randomized Controlled Trial. Pain Physician. 2019;22(1):53-61. DOI:10.36076/ppj/2019.22.53
  10. Telli H, Telli S, Topal M. The Validity and Reliability of Provocation Tests in the Diagnosis of Sacroiliac Joint Dysfunction. Pain Physician. 2018;21(4):E367-E376. DOI:10.36076/ppj.2018.4.E367
  11. Louw A, Nijs J, Puentedura EJ. A clinical perspective on a pain neuroscience education approach to manual therapy. J Man Manip Ther. 2017;25(3):160-168. doi:10.1080/10669817.2017.1323699
  12. Yoo WG. Effects of individual strengthening exercises on subdivisions of the gluteus medius in a patient with sacroiliac joint pain. J Phys Ther Sci. 2014;26(10):1641-1642. doi:10.1589/jpts.26.1641
  13. Rashbaum RF, Ohnmeiss DD, Lindley EM, Kitchel SH, Patel VV. Sacroiliac Joint Pain and Its Treatment. Clin Spine Surg. 2016;29(2):42-48. doi:10.1097/BSD.0000000000000359
Rate this post


Cold Plasma System

The world's first handheld cold plasma device

Learn More

Made in USA