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Maris Spinal anatomy > SI joint > Flashcards

Flashcards in SI joint Deck (20)
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1
Q

FISH stands for

A

fibrocartilage on ilium, sacrum has hyaline

2
Q

tapering of sacrum is

A

superior to inferior and anterior to posterior?

3
Q

bonnaires tubercle

A

iar: instantaneous axis of rotation where movement occurs, on iliac

4
Q

whats in a motor unit

A

two vertebrae and structures around it

5
Q

sacrum is what type of jt

A

irregular diarthrotic jt

6
Q

what are the ligaments of the si jt

A
articular capsule
interosseous si lig
anterior si lig
long lig 
short lig
accessory lig
7
Q

articular capsule is on the () surface of jt

A

anterior

8
Q

where is the interosseas lig

A

in between bone, makes articular surface not smooth

9
Q

anterior si lig is thin on () aspect

A

anterior

10
Q

what are the 2 ligaments on the posterior side of sacrum

A

long and acceossry ligs

11
Q

the ligaments on the front si are for

A

slippage

12
Q

the ligaments on back is for

A

holding si in place

13
Q

what are locations of long lig

A

psis and sacral tubercles of S3 and S4

14
Q

what are locations of short lig

A

sacral tubercles of s1 and s2

15
Q

what are the accessory lig

A

sacrotuberous lig
sacrospinous lig
iliolumbar lig

16
Q

what does long blend with

A

sacrotuberous

17
Q

what do you think of for nutation as going into flexion

A

nutation

18
Q

nutation only occurs in

A

static motion, closed chain so like touch toes

19
Q

counter nutation moves

A

posterior and superior

20
Q

nutations moves

A

anterior and inferior base and coccyx goes post and superior