Sacrum Flashcards
Which direction is L5 rotated when you’re weight bearing leg is on the Left?
L5RR opposite direction of sacral rotation.
L rotation on L axis
How do you remember the axis and rotational direction of anterior and posterior torsions? What are they?
Anterior torsion is normal walking L on L and R on R
Backward torsion is like dodging bullets in the matrix L rotation on right axis and R rotation on left axis.
Describe somatic dysfunctions around a transverse axis
Bilateral flexion and extension dysfunctions.
Also, unilateral flexion and extension (within the SI joint). The latter produced by trauma typically to the inferior ILA.
What are your positive landmarks for the sacrum
Deep sulcus and the ILA
At what level of the sacrum are the superior middle and inferior axis located? What type of mechanics do they use
S-S2: Respiratory and craniosacral mechanics
M-S2- Postural flexion and extension
I-S3- Inominate motion only
At what vertebral level is the lateral L shaped articulation of the sacrum?
S2
Describe the location of the sacrotuberous ligament and the Iliolumbar ligaments
The sacrotuberous ligament attaches at the ischial tuberosity
The Iliolumbar ligament attaches the L5 to the sacrum
Which sacral transverse axis are you testing during a standing flexion test?
Inferior axis-testing for inominate motion
What type of mechanics are followed by the lumbar spind during anterior and posterior torsion?
L5 follows neutral mechanics RRSL with anterior torsion and non-neutral mechanics with posterior torsion RRSR.
What does a + spring test tell you
This indicates an extended dysfunction
A deep sulcus that is anterior on the right is exaggerated when the patient move into the sphinx position, how is this described?
worse with sphinx, expect + spring test.
Where should the spring test be performed?
Lumbo sacral junction
For a L on L diagnosis on which side should the patient lay on the table for a muscle energy technique?
L side for L axis
R side for R axis
Where should you apply force when treating a L on L indirectly with respiratory assist?
anterior pressure on the right sacral base. This will induce more L rotation about the left axis
Where should you apply force when treating a R on L indirectly with respiratory assist?
Anterior pressure on the left ILA
