Sacroiliac Joint: Difference between revisions
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== Ligaments & Joint Capsule<br> == | == Ligaments & Joint Capsule<br> == | ||
== Muscles | == Muscles == | ||
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: | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/adductor-brevis Adductor brevis] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/adductor-longus Adductor longus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/adductor-magnus Adductor magnus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/biceps-femoris-long-head Biceps femoris - long head] | |||
*Coccygeus | |||
*Erector spinae | |||
*External oblique | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/gluteus-maximus Gluteus maxiumus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/gluteus-medius Gluteus medius] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/gluteus-minimus Gluteus minimus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/gracilis Gracilis] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/psoas Iliacus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/inferior-gemellus Inferior gemellus] | |||
*Internal oblique | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/upper-body/latissimus-dorsi Latissimus dorsi] | |||
*Levator ani | |||
*Multifidus | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/obturator-internus Obturator internus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/obturator-externus Obturator externus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/pectineus Pectineus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/piriformis Piriformis] | |||
*Psoas minor | |||
*Pyramidalis | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/quadratus-femoris Quadratus femoris] | |||
*Quadratus lumborum | |||
*Rectus abdominis | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/rectus-femoris Rectus femoris] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/sartorius Sartorius] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/semimembranosus Semimembranosus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/semitendinosus Semitendonosus] | |||
*Sphincter urethrae | |||
*Superficial transverse perineal ischiocavernous | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/superior-gemellus Superior gemellus] | |||
*[http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/lower-body/tensor-fascia-lata Tensor fascia lata] | |||
*Transversus abdominus | |||
== Other Important Information == | == Other Important Information == | ||
Revision as of 22:35, 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
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]
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- ↑ Dutton M. Orthopaedic Examination, Evaluation, and Intervention. 2nd ed. New York: McGraw Hill, 2008.
