Understanding Acute Non-Specific Low Back Pain: Causes,Treatments, and the Role of Physiotherapy

▫️Written by John Keller

✅ Reviewed by Dr. Jenny Hynes on June 10, 2024


  1. Importance of Understanding and Addressing This Type of Pain

  2. What is Acute Non-Specific Low Back Pain?

  3. Causes of Acute Non-Specific Low Back Pain

  4. Signs and Symptoms of Acute Non-Specific Low Back Pain

  5. When to Seek Medical Attention

  6. Prevention of Acute Non-Specific Low Back Pain

  7. Diagnosis of Acute Non-Specific Low Back Pain

  8. Treatment Options for Acute Non-Specific Low Back Pain

  9. Effectiveness of Physiotherapy for Acute Non-Specific Low Back Pain

  10. Conclusion

Brief introduction to acute non-specific low back pain 

Acute non-specific low back pain is a common condition that affects many individuals at some point in their lives. It is characterized by pain in the lower back region without a specific underlying cause that can be identified through diagnostic imaging or physical examination (Airaksinen et al., 2006). Understanding and addressing this type of pain is crucial, as it can significantly impact daily activities and quality of life.

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Importance of understanding and addressing this type of pain

 
Acute Non-Specific Low Back Pain
 

Proper management of acute non-specific low back pain is essential to prevent it from becoming a chronic condition. Early intervention can reduce the duration of pain episodes and improve functional outcomes. Additionally, educating patients about self-care strategies and proper body mechanics can help reduce the risk of recurrence (Chou et al., 2007).

What is acute non-specific low back pain?

Definition and general overview 

Acute non-specific low back pain is defined as pain in the lower back that lasts for less than six weeks and is not attributed to any specific underlying condition, such as a herniated disc, fracture, or infection (Airaksinen et al., 2006). This type of pain is often referred to as "mechanical" or "musculoskeletal" because it typically arises from the muscles, ligaments, and joints of the lower back. 

Distinction between specific and non-specific low back pain 

Specific low back pain is associated with identifiable pathological conditions, such as spinal stenosis, spondylolisthesis, or osteoarthritis. In contrast, non-specific low back pain does not have a clearly identifiable cause, making it more challenging to diagnose and treat (Maher et al., 2017). 

Prevalence and common demographics affected 

Acute non-specific low back pain is highly prevalent worldwide, affecting individuals of all ages. It is estimated that up to 80% of people will experience low back pain at some point in their lives (Walker, 2000). This condition is most common in adults between the ages of 30 and 50, and it can be triggered by various factors, including poor posture, physical inactivity, and improper lifting techniques (Balagué et al., 2012).

Causes of acute non-specific low back pain

Overview of common causes and risk factors 

Acute non-specific low back pain can be caused by a variety of factors, including: 

  • Physical activities and injuries: Engaging in activities that strain the back muscles, such as lifting heavy objects or sudden movements, can lead to acute pain episodes. 

  • Poor posture and ergonomics: Prolonged sitting or standing in improper positions can put strain on the back muscles and lead to pain. 

  • Stress and muscle tension: Emotional stress can cause muscles to tense up, leading to increased risk of back pain. 

  • Other contributing factors: Factors such as obesity, lack of physical activity, and smoking can also increase the risk of developing acute non-specific low back pain (Balagué et al., 2012).

Signs and symptoms of acute non-specific low back pain

General signs to look out for 

  • Pain: The primary symptom of acute non-specific low back pain is pain in the lower back region that may radiate to the buttocks or thighs. 

  • Stiffness: Patients may experience stiffness in the lower back, especially after periods of inactivity or rest. 

  • Limited range of motion: Pain and stiffness can lead to a decreased ability to bend, twist, or move the lower back comfortably. 

Specific symptoms associated with acute non-specific low back pain 

  • Pain that worsens with movement: Pain may worsen with certain activities or movements, such as bending, lifting, or twisting. 

  • Pain that improves with rest: Pain may decrease when resting or lying down.

  • Muscle spasms: Some individuals may experience involuntary muscle contractions or spasms in the lower back.

When to seek medical attention

It is advisable to seek medical attention if: 

  • The pain is severe and does not improve with rest. 

  • The pain is accompanied by other symptoms such as numbness, tingling, or weakness in the legs. 

  • The pain is the result of a traumatic injury, such as a fall or car accident. Prevention of Acute Non-Specific Low Back Pain 

Prevention of acute non-specific low back pain

Strategies for maintaining a healthy back

  • Regular exercise: Engaging in regular physical activity can help strengthen the muscles that support the spine and improve flexibility. 

  • Proper posture: Maintaining good posture while sitting, standing, and lifting can help prevent strain on the back muscles. 

  • Ergonomic work environment: Ensuring that workstations are set up ergonomically can reduce the risk of developing back pain. 

Importance of proper posture and ergonomics

  • Sitting: Sit upright with your back supported and feet flat on the floor. Use a chair with good lower back support. 

  • Standing: Stand with your weight evenly distributed on both feet and avoid slouching or leaning to one side.

Exercise and strengthening routines

  • Core strengthening: Exercises that target the abdominal and back muscles can help provide better support for the spine. 

  • Flexibility exercises: Stretching exercises can help improve flexibility and reduce muscle tension. 

Lifestyle modifications and weight management

Excess weight can strain the back muscles. Maintaining a healthy weight through proper diet and exercise can reduce the risk of developing back pain. 

Tips for avoiding common triggers

  • Lifting: Use proper lifting techniques, such as bending at the knees and keeping the back straight, to avoid strain on the back muscles. 

  • Avoiding prolonged sitting: Take breaks from sitting every hour to stretch and walk around.

Diagnosis of acute non-specific low back pain

Diagnostic procedures and tests 

Diagnosing acute non-specific low back pain involves a thorough clinical assessment, including: 

● Physical examinations: A healthcare provider will examine the patient’s back for tenderness, muscle spasms, and range of motion. 

● Patient history: Understanding the patient’s medical history, including previous episodes of back pain, activities that trigger pain, and any associated symptoms. 

Role of imaging studies

● X-rays and MRIs: Imaging studies are generally not required for acute non-specific low back pain unless there are red flags suggesting a more serious condition, such as fracture, infection, or malignancy (Chou et al., 2007).

Differential diagnosis 

Ruling out specific causes: It is important to differentiate non-specific low back pain from conditions like herniated discs, spinal stenosis, or infections, which may require different treatments.

Treatment options for acute non-specific low back pain

Overview of treatment modalities 

Treatment for acute non-specific low back pain focuses on symptom relief and promoting activity. 

  • Medication and pain management: Over-the-counter pain relievers, such as NSAIDs and acetaminophen, can help reduce pain and inflammation (Deyo et al., 2009). 

  • Physical therapy and exercise programs: Tailored exercise programs can help strengthen back muscles, improve flexibility, and reduce pain. 

  • Rest and activity modification: While short-term rest may be necessary, maintaining some level of activity is generally recommended to avoid muscle stiffness and weakness. 

  • Alternative treatments: Acupuncture and massage therapy can provide relief for some patients (Cherkin et al., 2009). 

Effectiveness of Physiotherapy for Acute Non-Specific Low Back Pain

Role of physiotherapy in managing and treating acute non-specific low back pain 

Physiotherapy plays a crucial role in managing acute non-specific low back pain through various techniques designed to reduce pain, improve function, and prevent recurrence.

Specific physiotherapy techniques 

  • Manual therapy: Includes techniques such as spinal manipulation and mobilization to relieve pain and improve mobility (Gross et al., 2015).

  • Exercises: Customized exercise programs focusing on strengthening the core, improving flexibility, and enhancing posture.

Benefits and success stories 

Physiotherapy has been shown to provide significant benefits for patients with acute non-specific low back pain, including reduced pain, improved functional ability, and decreased likelihood of chronic pain development (Ferreira et al., 2013). 

Recommendations from certified physiotherapists 

Certified physiotherapists recommend early intervention with tailored exercise programs and manual therapy to manage acute non-specific low back pain effectively. They emphasize the importance of maintaining activity levels and avoiding prolonged bed rest to facilitate quicker recovery.

Conclusion

Understanding acute non-specific low back pain is essential for effectively managing this common condition. By recognizing the signs and symptoms, identifying potential causes, and implementing preventive strategies, individuals can significantly reduce the impact of low back pain on their daily lives. 

Seeking professional help for diagnosis and treatment is crucial, especially when pain persists or is severe. Healthcare providers can offer a comprehensive evaluation, recommend appropriate treatments, and guide patients in managing their condition effectively. 

Physiotherapy plays a significant role in the treatment and management of acute non-specific low back pain. Through techniques like manual therapy and tailored exercise programs, physiotherapists help alleviate pain, improve mobility, and prevent future episodes. Engaging in physiotherapy not only provides immediate relief but also promotes long-term back health, empowering individuals to lead active and pain-free lives.

 

References:

  1. Airaksinen, O., Brox, J. I., Cedraschi, C., Hildebrandt, J., Klaber-Moffett, J., Kovacs, F., ... & Zanoli, G. (2006). Chapter 4. European guidelines for the management of chronic nonspecific low back pain. European Spine Journal, 15(s2), S192-S300.

  2. Balagué, F., Mannion, A. F., Pellisé, F., & Cedraschi, C. (2012). Non-specific low back pain. The Lancet, 379(9814), 482-491. 

  3. Cherkin, D. C., Sherman, K. J., Avins, A. L., Erro, J. H., Ichikawa, L., Barlow, W. E., ... & Kaptchuk, T. J. (2009). A randomized trial comparing acupuncture, simulated acupuncture, and usual care for chronic low back pain. Archives of Internal Medicine, 169(9), 858-866. 

  4. Chou, R., Qaseem, A., Snow, V., Casey, D., Cross, J. T., Jr, Shekelle, P., & Owens, D. K. (2007). Diagnosis and treatment of low back pain: a joint clinical practice guideline from the American College of Physicians and the American Pain Society. Annals of Internal Medicine, 147(7), 478-491. 

  5. Deyo, R. A., Mirza, S. K., & Martin, B. I. (2009). Back pain prevalence and visit rates: estimates from U.S. national surveys, 2002. Spine, 31(23), 2724-2727. 

  6. Ferreira, M. L., Maher, C. G., Herbert, R. D., Refshauge, K., & Latimer, J. (2013). A systematic review of the efficacy of conservative interventions for reducing pain and improving function in non-specific low back pain. European Spine Journal, 22(3), 564-580. 

  7. Gross, A., Miller, J., D'Sylva, J., Burnie, S. J., Goldsmith, C. H., Graham, N., ... & Haines, T. (2015). Manipulation or mobilisation for neck pain. Cochrane Database of Systematic Reviews, 2015(9), CD004249. 

  8. Maher, C., Underwood, M., & Buchbinder, R. (2017). Non-specific low back pain. The Lancet, 389(10070), 736-747.

  9. Walker, B. F. (2000). The prevalence of low back pain: a systematic review of the literature from 1966 to 1998. Journal of Spinal Disorders, 13(3), 205-217.

 
 

 

Article by

John Keller

Clinical Director | Sports & Musculoskeletal Physiotherapist

John graduated as a Physiotherapist from the Auckland University of Technology with the John Morris memorial prize for outstanding clinical practise in 2003. John has since completed Post Graduate Diplomas in both Sports Medicine and Musculoskeletal Physiotherapy with distinction, also collecting the Searle Shield for excellence in Musculoskeletal Physiotherapy.

 

 

Reviewed by

Dr. Jenny Hynes FACP

Clinical Director | Specialist Musculoskeletal Physiotherapist

Jenny sat extensive examinations to be inducted as a fellow into the Australian College of Physiotherapy in 2009 and gain the title of Specialist Musculoskeletal Physiotherapist, one of only a few physiotherapists in the state to have done so.

 
 
John Keller