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SI Joint
Learning the SI can be fun
10
Fitness
Post-Graduate
11/03/2013

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Cards

Term
SI JOINT
Definition
Where the ILLIAM and SACRUM meet
Term
Classification of SI joint
Definition

 starts out as synovial joint and as we age it progresses from diarthrodial synovial joint to synarthroid joint

 

Term
Movement of SI Joint
Definition

Limited to 1 – 2 mm.  Built for stability over mobility. Critical in transferring the load of your upper body to your lower body.
Term
Structures : BONES
Definition
Sacrum(Axial Skeleton)
Pelvic Girdle(Appendicular Skeleton): 2-hip bones –also called coxal or innominate. Each hip bone consists of Ilium, Pubic bone and Ischium. Ilium attaches to sacrum.
 
Term
Structures : LIGAMENTS
Definition
Anterior Sacroiliac
Interosseus Sacroiliac
Posterior Sacroiliac
Sacrotuberous

Sacrospinous
Term
Structures : CARTILAGE
Definition

Fibrocartilage and hyaline cartilage
Term
COMMON INJURIES & HOW THEY HAPPEN  -- ONE
Definition

Strained ligaments around the joint can lead to too much motion in the joint, leading to wear and tear on the joint
MVA(Motor Vehicle Accidents)
Fall on to buttocks
Blow to side of pelvis
Term
COMMON INJURIES & HOW THEY HAPPEN -- TWO
Definition

Pregnancy 

Women are at risk of developing SI joint problems later in life due to childbirth. Female hormones are released during pregnancy that allow the connective tissue in the body to relax.
Term
COMMON INJURIES & HOW THEY HAPPEN -- THREE
Definition

Variation in joint configuration

Results in SI joints becoming weaker or more prone to misalignment (Muscle length imbalances).For example: 
People with leg length inequality
Poor footwear
Hip osteoarthritis
Scoliosis
History of Polio

Term
[image]
Definition

TOP BLANK -- Saccroal-illiac Joint 

 

LEFT SIDE -- ILIUM 

RIGHT SIDE -- ILIUM 

MIDDLE -- SACRUM 

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