Sacroiliac Joint injury is not well understood by many clinicians. Lumbopelvic Dysfunction is actually a better term for abnormal mechanics involving the low back, pelvis and Sacroiliac Joint. Understanding lumbopelvic dysfunction is the key to understanding the biomechanics of the lower extremity.
It is easy to look at foot or knee pain or low back pain as simply that…foot or knee pain, but keep in mind that everything is connected. The entire body is a series of joints which alternate between stable and mobile connections. Starting at the foot, the ankle should be mobile, the knee should be stable. Continuing up, the hip should be mobile, while the core and low back should be stable. Next, the Thoracic spine must be mobile for shoulder health, while the glenohumeral joint of the shoulder should be stable. And the trend continues…
With that in mind, if you are treating pain or injury without looking at the entire sequence of joints, you will likely miss either an unstable or immobile joint.
You’re thinking, sure that sounds good, but what are the specific injuries that you are talking about? The list of injuries related to lumbopelvic dysfunction is extensive, but here are some of the most common:
What is Lumbopelvic Dysfunction?
Lumbopelvic Dysfunction refers to an injury to the area of the pelvis, low back, and sacroiliac joint which oftentimes sends a ripple effect to the rest of the body. This typically occurs because part of the pelvis rotates forward (anteriorly) or slips upward (upslip). You may also find that the same injuries are also called:
- Anterior Rotation
- Pelvic Shear
- Pelvic Torsion
- Neuromuscular Dysfunction
- Sacroiliac Dysfunction
For the most part, these terms are pretty interchangeable for the purposes of this discussion and reflect terminology differences between physicians, osteopaths, chiropractors, physical therapists, and athletic trainers.
Many people either don’t realize or forget that the pelvis is actually 2 separate bones and they can move relative to each other. Lumbopelvic Dysfunction will present as an Anterior Rotation or an Upslip on half of the pelvis as compared to the opposite side.
What about Leg Length Inequality?
The vast majority of the population has some sort of a leg length difference, which can be a huge component of the overall lumbopelvic and sacroiliac problem. It’s not hard to find a leg length inequality(click here to see the evaluation process). But, that leaves us with a lot of questions:
- Is it an anatomical or functional leg length difference?
- How long has it been there, and does it matter?
- Is is causing my lumbopelvic dysfunction?
- Is it because of my lumbopelvic dysfunction?
- Should I leave it alone or treat it?
- If I treat it, what is the best method?
For detailed information, click on the appropriate link below to learn everything you need to know about the specifics of lumbopelvic dysfunction, including prevalence, causes, contributing factors, related injuries and treatment.
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