Sacroiliac Joint Flashcards
What type of joint is the sacroiliac?
SYNOVIAL
The base of the sacrum joint is ________ superiorly and ________ distally.
WIDE SUPERIORLY
+
NARROW DISTALLY
Name the 5 dorsal ligaments of the sacroiliac joint?
POSTERIOR SACROILIAC \+ SACROSPINOUS \+ SACROTUBEROUS \+ INTEROSSEOUS SACROILIAC \+ ILIOLUMBAR
Name the ventral ligament of the sacroiliac joint?
ANTERIOR SACROILIAC
Name the primary posterior stabilizer of the sacroiliac joint - sacrum to ilium?
POSTERIOR SACROILIAC
Name the dorsal ligament that attaches from sacrum to ilium?
INTEROSSEOUS SACROILIAC
Does the SI joint need to be stable or mobile?
STABLE
The sacrum is directly articulating with which lumbar vertebrae?
L5
What is happening with the sacrum during the close-packed position of sacral flexion?
NUTATION
SACRAL BASE moves ANTERIORLY
APEX moves POSTERIORLY
ASIS moves SUPERIORLY
PSIS moves INFERIORLY
Name the term for the amount of stability a joint gets from its bony articulation?
FORM CLOSURE
100% would make mobility impossible
Name the term for joint compression as a result of myofascial and ligamentous tension?
FORCE CLOSURE
Force closure provides a ___________ force, in order to facilitate the joints ability to bear a ___________ load.
LATERAL
+
VERTICAL
List the deep core musculature crucial in the stabilization of the lumbar spine and pelvis prior to extremity movement?
MULTIFIDI \+ TRANSVERSE ABDOMINIS \+ RESPIRATORY DIAPHRAGM \+ PELVIC DIAPHRAGM (pelvic floor)
What is tight in upper crossed syndrome?
UPPER TRAPEZIUS and LEVATOR SCAPULA
+
PECTORALIS
What is weak in upper crossed syndrome?
DEEP NECK FLEXORS
+
LOWER TRAPEZIUS SERRATUS ANTERIOR
