SI dysfunction/treatment

Question 1

Form closure

Answer 1

closed packed joint position - no outside forces necessary to hold stable

Question 2

Force closure

Answer 2

SI jt stabilized by intrinsic & extrinsic forces/ligaments/muscles

Question 3

How does sacrum move in relation to lumbar spine?

Answer 3

sacrum moves in opposite direction of lx spine
when spine flexes, nutates/then counternutates
when spine extends, sacrum nutates

Question 4

What would you see clinically with an anteriorly rotated ilium?

Answer 4

longer leg on that side in supine

Question 5

What would you see clinically with a posteriorly rotated ilium?

Answer 5

shorter leg on that side in supine