Sacral Spine/Pelvis

Question 1

PSIS is at what level

Answer 1

S2

Question 2

Iliac crest is at what level

Answer 2

L4-L5

Question 3

Sacrum - concave/convex (anteriorly)

Answer 3

Concave anteriorly

Question 4

Sacralization

Answer 4

L5 attaches to sacrum

Question 5

Lumbarization

Answer 5

S1 and S2 are not fused

leads to having a smaller sacrum

Question 6

Women - angle of pubic arch

Answer 6

more than 90

Question 7

Men - angle of pubic arch

Answer 7

50-60

Question 8

Women - shape of pelvis/sacrum

Answer 8

wider/shorter

smaller difference between pelvic inlet and outlet

Question 9

Men - shape of pelvis/sacrum

Answer 9

long/narrow

Question 10

Pelvic inlet

Answer 10

50-60 degrees

Question 11

Pelvic outlet

Answer 11

15 degrees

Question 12

Anterior nutation

Answer 12

sacral on iliac

Question 13

Posterior nutation

Answer 13

iliac on scaral

Question 14

Aniterior counternutation

Answer 14

iliac on sacral

Question 15

Posterior counternutation

Answer 15

sacral on iliac

Question 16

Nutation increases what forces

Answer 16

compression and shear

Question 17

Close packed position

Answer 17

full nutation

Question 18

Lumbo-pelvic rhythm

Answer 18

FILL IN

Question 19

Reiter’s disease

Answer 19

follows GU/GI infection, conjunctivitis, arthritis
3-12 months or chronic
often in males 20-40

Question 20

Ankylosing spondylitis

Answer 20

eventually results in fusion

common in males 15-30

Question 21

Osteitis pubis

Answer 21

shear stress at symphysis pubis
pain with amulation
limited hip ROM
audible click

Question 22

Type 1 sacral torsion

Answer 22

ant sacrum rotated

lumbar vert adapt with ipsilateral rot and contra flex

Question 23

Type II sacral torsion

Answer 23

ant sacrum rotated

lumbar vert adapt with contra rot and contrala flex

Question 24

Distraction special test

Answer 24

compressing the SI joint
pressure posterolateral on ASIS
+ if pain

Question 25

Thigh thrust special test

Answer 25

put pressure on hip
shear ilia on sacrum
+ if buttock pain

Question 26

Gaenslen special test

Answer 26

lean in
pressure on both legs
+ if pain low back or buttock

Question 27

Sacral thrust special test

Answer 27

direct PA over sacrum in prone

+ if pain

Question 28

Compression spectial test

Answer 28

gapping the SI joint
push ASIS together
+ f pain at sacrum or buttock

Question 29

FABER special test

Answer 29

+ for SIJ if pain posterior

Question 30

Standing forward bend special test

Answer 30

palpate PSIS and feel if one side goes higher than other - if does it is + for hypomobility

Question 31

Gillet special test

Answer 31

palpate S2 SP and PSIS - have pt lift leg on same side

+ for hypomob if PSIS does not move inferiorly

Question 32

Seated forward bend test

Answer 32

palpate PSIS as pt bends forward

+ for hypomobor abnormal sacral torsion if lower PSIS becomes higher

Question 33

Long siting test

Answer 33

palpate med malleoli in supine
pt sit up and palpate again
+ if asymmtery reverses supine to sitting - can be functional leg length discrepancy and torsion or pelvic rotation

Question 34

Sphinx test

Answer 34

prone
palpate sacral base
pt push up on elbows
+ if thumn doesnt move deep with ext