Sacroiliac Joint

Question 1

Pelvic Rocking / squish test

Answer 1

Test for posterior sacroiliac ligament

Th- ASIS rocking 45 degree

Positive

1. Pain at sacroiliac jt
2. Immediate translation of the pressure other-locked

Question 2

Pelvic Gapping Test

Answer 2

Test for Anterior Sacroiliac Ligs

Px- Supine
Th Crossed arm on px ASIS - Pressure DOWN and OUT

Positive
1.Pain

Question 3

Pelvic Compression / Approximation Test

Answer 3

Sacroiliac lesion

Px- side lying
Th- Push iliac crest toward table

Positive
1. Pain

• Only need to be done on one side - being tested at same time

Question 4

Gaenslen’s sign

Answer 4

SI joint dysfunction

Px- (like Modified Thomas Test)Supine at the edge of table-knee FL to chest- outer leg drop over the edge of the table

Positive- Pain
*Ipsilateral innominate - Anteriorly rotate
Contralateral innominate - Stabilized

Question 5

Sit up test

Answer 5

Iliosacral dysfunction / anterior-posterior Sagitta rotation

1. Px- Supine with knee FL
2. Bridge - buttocks down (relaxation)
3. Th - passively EX px leg and palate medial malleoli
4. Px - Rise 腹筋 (sitting position)
5. Th - Watch the movement to medial malleoli

• Start Short - end Long=Posterior Sagittal Rotation
  Start Long - end Short= Anterior Sagittal Rotation

Leg length discrepancy

Question 6

5 Sacroiliac jt special Tests

Answer 6

1. Pelvic rocking/ squish test
2. Pelvic Gapping
3. Pelvic Compression / Approximation test
4. Sit Up Test