What Is the Sacroiliac Joint?
Sacroiliac Joint is the connection between the sacrum at the base of the spine and the ilium of the pelvis. Each person has a joint on both sides of the sacrum. Strong ligaments support these joints, which transfer forces between the upper body and legs during standing, walking, and movement.
Quick Facts About Sacroiliac Joint
Category
Pelvic joint
Used for
Force transfer and pelvic stability
Common confusion
Pain may be confused with lumbar or hip pain
Also called
SI Joint, sacroiliac articulation
Often discussed with
Back Pain Treatment, Chiropractic Adjustment
Key Takeaways About Sacroiliac Joint
- Two joints connect the sacrum with the left and right sides of the pelvis.
- Small joint motion supports force transfer during walking and standing.
- Sacroiliac joint symptoms can resemble pain from the lumbar spine or hip.
How Sacroiliac Joint Works
Sacroiliac Joint function depends on the meeting of the sacrum and the pelvic bones. The joint permits limited movement, while surrounding ligaments help hold the pelvis steady. During walking, the joint helps pass force between the trunk and each leg.
Related glossary terms: Lumbar Spine, Pelvic Floor, Joint Mobilization.
Assessment considers the location and pattern of discomfort, movement, posture, and responses to specific physical tests. The lumbar spine and hip joint can produce similar symptoms, so a clinician considers nearby structures before linking symptoms to the sacroiliac joint. A finding in this area describes a possible pain source, not a diagnosis by itself.
From the Arrowhead Clinic Chiropractor Garden City team
When we assess the sacroiliac joint during Back Pain Treatment, we review pelvic motion, nearby spinal areas, and the pattern of symptoms. We use those findings to guide appropriate care and to distinguish sacroiliac involvement from issues linked to the lumbar spine or hip.
Sacroiliac Joint in Practice: A Real-World Example
A person with lower back and buttock discomfort may notice symptoms during walking, standing, or turning in bed. During Back Pain Treatment, the clinician checks the sacroiliac region along with the lumbar spine and hip to identify the most relevant source.
Related Services
Related Terms
Lumbar Spine
Lumbar Spine is the lower section of the vertebral column between the thoracic spine and pelvis…
Pelvic Floor
The pelvic floor is a group of muscles and connective tissues that supports the pelvic organs…
Joint Mobilization
Joint Mobilization is a hands-on manual therapy technique that applies controlled movement to a joint without…
Range Of Motion
Range Of Motion is the amount and direction a joint can move through its available movement…
Arrowhead Clinic Chiropractor Garden City
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