Sacrum and Sacroiliac Joints

Question 1

Anterior or Posterior Sacral Base

Answer 1

Test for rotation of the sacrum, with sacrum isolated test in position 3

Question 2

Sacral base check lengthens in position 3

Answer 2

Superior sacral base

Question 3

Sacral base check shortens in position 3

Answer 3

Inferior sacral base

Question 4

Superior sacral base contact point

Answer 4

S3 Tubercle

Question 5

Inferior sacral base contact point

Answer 5

S1 Tubercle

Question 6

Lateral sacral base check

Answer 6

Test for rotation of the sacrum, with sacrum isolated check position 4

Question 7

Lateral sacral base contact

Answer 7

S3 lateral aspect

Question 8

Internal Ilium or AI sacrum check

Answer 8

Passively extend PD hip to point of tension

Question 9

Relative lengthening of PD leg during AI/II sacrum check

Answer 9

Internal Ilium PD side

Question 10

Relative shortening of PD leg during AI/Il sacrum on PD side

Answer 10

Anterior inferior sacrum on PD side

Question 11

External Ilium or PS sacrum check

Answer 11

Passively extend the OPD hip to point of tension

Question 12

Relative lengthening of PD leg during EX/PSS check

Answer 12

External ilium on OPD side

Question 13

Relative shortening of PD leg during EX/PSS check

Answer 13

Posterior superior sacrum on OPD side

Question 14

Bilateral lateral iliums check

Answer 14

Push laterally on both medial PSIS

Question 15

Bilateral lateral ischial tuberosities check

Answer 15

Pull ischial tuberosities apart laterally

Question 16

Lateral coccyx check

Answer 16

Instruct patient squeeze buttocks together.

Question 17

Lateral coccyx contact point

Answer 17

Sacrococcygeal ligament on side of laterality

Question 18

Anterior pubic bone check

Answer 18

Press hip to be tested into the table

Question 19

Lateral pubic bone check

Answer 19

Instruct patient to squeeze knees together. Check position 4