Muscles and ligaments surround and attach to the SI joint in the front and back, primarily on the ilial or sacral surfaces. These can all be a source of pain and inflammation if the SI joint is dysfunctional. The sacroiliac joint is highly dependent on its strong ligamentous structure for support and stability.
https://en.wikipedia.org/wiki/Sacroiliac_joint_dysfunction
Sacroiliac joint dysfunction, also called sacroiliac joint disorder, sacroiliac joint disease, sacroiliac joint syndrome or sacroiliac syndrome, or sacroilliac dysfunction and instability, generally refers to pain in the sacroiliac joint region that is caused by abnormal motion in the sacroiliac joint, either too much motion or too little motion.
https://en.wikipedia.org/wiki/Sacroiliac_joint_dysfunction
The sacroiliac joints are located at the base of the spine where it connects to the pelvis. These joints can become inflamed, which then leads to a condition called Sacroiliitis. In fact, any time you see the letters “itis” at the tail end of a word, it is a medical term meaning inflammation.
https://zyga.com/patients/si-joint-pain-dysfunction/causes/sacroiliitis/
In the fusion patients (52 subjects), the mean lower back pain score had improved by 43.3 points at 6 months, compared with 5.7 points in the conservative treatment group, while the mean disability score had improved by 26 points in the fusion patients, compared with 6 points in the conservative management group.
http://emedicine.medscape.com/article/96054-treatment
SIJ dysfunction is a term which is commonly used when talking about sacroiliac injuries. This dysfunction refers to either hypo or hyper mobility (low or high respectively). In other words, the joint can become 'locked' or be too mobile.
http://www.sportsinjuryclinic.net/sport-injuries/low-back-pain/sacroiliac-joint-pain
Medical interventions. Often, oral medications can be quite effective in the acute phase. Nonsteroidal anti-inflammatory drugs (NSAIDs) are used judiciously in this phase, often with good results. In the first 24-72 hours, a muscle relaxant can be quite effective if a myofascial component to the pain is present.
http://emedicine.medscape.com/article/96054-treatment
Symptoms of SI joint injury. Sacroiliac joint pain is usually located either to the left or right of the lower back although patients sometimes described it as a band of pain across the lower back. Pain can range from an ache to a sharp pain which can restrict movement.
http://www.sportsinjuryclinic.net/sport-injuries/low-back-pain/sacroiliac-joint-pain
Manipulation has been reported in multiple studies as effective treatment for acute lower back pain. However, studies specifically on SIJ syndrome are less abundant. The SIJ is accessible to manipulation treatments and these may be extremely effective.
http://emedicine.medscape.com/article/96054-treatment
A large number of joints, organs and other structures in the body can become inflamed and the SI joints are no exception. When Sacroiliitis is to blame for SI Joint Dysfunction, the condition usually causes pain in the buttocks, groin, or lower back that can also extend down one or both legs. This type of pain is often worsened by long periods of standing, sitting or climbing stairs.
https://zyga.com/patients/si-joint-pain-dysfunction/causes/sacroiliitis/
Anatomy and physiology of the sacroiliac joints. The sacroiliac joint is a true diarthrodial joint that joins the sacrum to the pelvis. The sacrum connects on the right and left sides to the ilia (pelvic bones) to form the sacroiliac joints. The pelvic girdle is made up of two innominate bones (the iliac bones) and the sacrum.
https://en.wikipedia.org/wiki/Sacroiliac_joint_dysfunction
what is the medical term for the lower back the sacroiliac pain
The medical term for the lower back the Sacroiliac pain is SI joint injury. SI joint injury is the medical term for the lower back the sacroiliac pain.