Sacroiliac Joint: Difference between revisions
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*stress fracture<br><br> | *stress fracture<br><br> | ||
== Special Tests == | == Special Tests == | ||
<u>SI Joint stress tests</u> | |||
*Anterior Gapping test | |||
*Posterior Distraction test | |||
*Pubic Stress test | |||
*Sacrotuberous Ligament Stress test | |||
*Sacral Compression test (POSH test)<br> | |||
*Rotational Stress test<br> | |||
<u>Leg Length tests</u> | |||
*Prone test | |||
*Standing leg length test | |||
*Functional leg length test<br> | |||
<u>Other Special Tests</u> | |||
*Seated Flexion test (Piedallu's Sign) | |||
*Long Sit test | |||
*Sign of the Buttock | |||
*Posterior Pelvic Pain Provocation test | |||
*Gaenslen's test | |||
*Yeoman's test | |||
*[[FABER Test|FABER (Figure-Four) test]] | |||
== Other Important Information == | == Other Important Information == | ||
Revision as of 22:38, 2 June 2009
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Description[edit | edit source]
The sacroiliac joint (simply called the SI joint) is the joint connection between the spine and the pelvis. It is a large diathrodial joint made up of the sacrum and the two innominates of the pelvis. Each innominate is formed by the fusion of the three bones of the pelvis: the ilium, ischium, and pubic bone. [1]
Motions Available[edit | edit source]
Ligaments & Joint Capsule
[edit | edit source]
Muscles[edit | edit source]
There are 35 muscles that attach to the sacrum or innominates which mainly provide stability to the joint rather than producing movements.
Muscles that attach to the sacrum or innominates:
- Adductor brevis
- Adductor longus
- Adductor magnus
- Biceps femoris - long head
- Coccygeus
- Erector spinae
- External oblique
- Gluteus maxiumus
- Gluteus medius
- Gluteus minimus
- Gracilis
- Iliacus
- Inferior gemellus
- Internal oblique
- Latissimus dorsi
- Levator ani
- Multifidus
- Obturator internus
- Obturator externus
- Pectineus
- Piriformis
- Psoas minor
- Pyramidalis
- Quadratus femoris
- Quadratus lumborum
- Rectus abdominis
- Rectus femoris
- Sartorius
- Semimembranosus
- Semitendonosus
- Sphincter urethrae
- Superficial transverse perineal ischiocavernous
- Superior gemellus
- Tensor fascia lata
- Transversus abdominus
Specific Pathologies[edit | edit source]
There are many pathologies that could present at the site of the sacroiliac joint including:
- sacroiliac tuberculosis
- spondyloarthropathy
- crystal and pyogenic arthropathies
- groin pain
- osteitis pubis
- symphysis pubic dysfunction
- osteoarthritis
- stress fracture
Special Tests[edit | edit source]
SI Joint stress tests
- Anterior Gapping test
- Posterior Distraction test
- Pubic Stress test
- Sacrotuberous Ligament Stress test
- Sacral Compression test (POSH test)
- Rotational Stress test
Leg Length tests
- Prone test
- Standing leg length test
- Functional leg length test
Other Special Tests
- Seated Flexion test (Piedallu's Sign)
- Long Sit test
- Sign of the Buttock
- Posterior Pelvic Pain Provocation test
- Gaenslen's test
- Yeoman's test
- FABER (Figure-Four) test
Other Important Information[edit | edit source]
Resources[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
References will automatically be added here, see adding references tutorial.
- ↑ Dutton M. Orthopaedic Examination, Evaluation, and Intervention. 2nd ed. New York: McGraw Hill, 2008.
