The SI joint plays a crucial role in how our body moves and supports weight. Located where the sacrum meets the ilium on each side of the lower back, this joint links the spinal column to the pelvic girdle. While it doesn’t move much under normal conditions, it acts as a shock absorber between the spine and pelvis. When this joint is inflamed, misaligned, or hypomobile, it can lead to chronic lower back discomfort that often mimics other conditions like herniated discs or sciatica.

Pain from the pelvic joint typically appears unilaterally in the lower back or gluteal region and may extend down the back of the leg. It often intensifies after standing for long periods, ascending stairs, or transitioning from sitting to standing. Some people report stiffness or a feeling of instability in the pelvis. Because the symptoms are indistinguishable from common back conditions, it is frequently misdiagnosed. A detailed manual evaluation plus imaging or fluoroscopic-guided blocks are needed to distinguish it from other causes.

Several factors can contribute to sacroiliac joint dysfunction. Maternal hormonal shifts are a frequent trigger due to hormonal changes that loosen ligaments to prepare the pelvis for childbirth. Sudden mechanical trauma like a slip or collision can also disrupt joint alignment. Overuse from repetitive motions, muscle imbalances, or even leg length differences can place abnormal stress on the joint over time. In some cases, autoimmune conditions such as psoriatic arthritis or reactive arthritis affects the joint.

Treatment focuses on re-establishing joint biomechanics and 小倉南区 整体 calming irritation. Targeted exercise programs are usually recommended, with custom routines to optimize pelvic alignment and spinal control. Hands-on interventions including manipulation, thrust or non-thrust techniques may help enhance articulation and decrease pain. NSAIDs, thermal modalities, and pelvic stabilizers can provide symptom reduction. In more long-standing, unresponsive conditions, SI joint fusion or nerve neuromodulation may be considered.

Preventing SI joint discomfort involves adopting dynamic posture habits and minimizing static loading. Core strengthening and hip stability exercises are particularly effective. If you have recurring low back pain that doesn’t respond to typical treatments, it’s worth considering whether the sacroiliac joint might be involved. A comprehensive assessment by a specialist trained in pelvic biomechanics can lead to an precise identification and lasting symptom resolution.