Posterior Rotation of Sacrum

Question 1

Instrument break may be evident at

Answer 1

S1 or S2

Question 2

Motion Palpation Findings - fixation is on the side of

Answer 2

posterior rotation of the sacrum

Question 3

Static Palpation Findings - static palpation typically reveals point tenderness over

Answer 3

1st and/or 2nd sacral tubercles

Question 4

Static Palpation Findings - spongy edema may be present and palpable where

Answer 4

posterior-superior margin of SI joint

Question 5

Static Palpation Findings - prominence of which angle of the sacrum suggests posterior rotation of the sacrum on the side of prominence

Answer 5

lateral inferior angle of the sacrum

Question 6

Xray Analysis - when the width of the sacrum is ___ or more mm wider on one side than the other, the sacrum is rotated ______ on the side with the ________ measurement

Answer 6

6 or more mm
posterior
larger

Question 7

Xray Analysis - posterior rotation of the sacrum is usually on the side of ____ Ilium

Answer 7

IN

Question 8

Rules for Adjusting Sacrum vs Ilium - If an ilium listing is AS or IN predominate, or ASIN, what do you adjust?

Answer 8

sacrum to ilium

Question 9

Rules for Adjusting Sacrum vs Ilium - If an ilium listing is PI or EX predominate, or PIEX, what do you adjust?

Answer 9

ilium to sacrum