The majority of low back pain cases are classified as non-specific in nature, meaning they are not attributable to an identifiable, single structural cause such as a fracture, infection, tumor, or nerve compression. But, in roughly 5–10% of cases, the cause of localized pain in the lower back can be linked to injury to the intervertebral disks—which sit between each of the lumbar vertebrae and function as shock absorbers while facilitating spinal movement. If a nearby nerve root is affected, the patient may experience symptoms that radiate along the course of the nerve into the leg. What role, if any, can chiropractic play in managing lumbar disk–related low back pain?

When a patient presents with low back pain, the chiropractor evaluates specific patterns to determine whether a disk lesion may be contributing to the patient’s symptoms. Disk-related pain is more likely when symptoms worsen with sitting, bending, leaning forward, or lifting, and improve with standing, walking, or extension-based movements. Pain may be centralized in the low back or refer into the buttock or thigh. In some cases, symptoms can extend further down the leg. A particularly important clinical finding is centralization, where pain that radiates into the leg moves back toward the spine during repeated movements.

In contrast, findings such as localized tenderness, pain primarily with extension and rotation, no change in symptoms with repeated movement, or pain unaffected by loading patterns suggest that a disk may not be the primary pain generator. Advanced imaging is typically not recommended as an initial step in the diagnostic process. This is because a significant portion of middle-aged adults have disk abnormalities visible on MRI that are often asymptomatic, and treating these findings may not benefit the patient. Imaging is more appropriately reserved for cases involving red flags such as progressive neurological deficits, bowel or bladder dysfunction, or suspicion of serious pathology such as cancer, infection, or fracture.

The goal of treatment is to reduce mechanical stress on the affected disk and surrounding structures, particularly when herniation is irritating nearby nerve roots, allowing the condition to improve over time. Doctors of chiropractic often use a multimodal approach that may include spinal manipulation or mobilization, soft tissue therapies, physiotherapy modalities, traction, therapeutic exercise, and postural education. Patients who continue to experience significant symptoms after 6–12 weeks may be referred for further evaluation. Fortunately, the prognosis is favorable. Studies show that more than 4 in 5 cases of lumbar disk herniation improve with conservative care and do not require surgery.