Sacrum Tests

Seated vs Standing Flexion Test

+ test = the PSIS came up (cephalad) as the person flexed from the waist….dysfunction is on the side that came up

+ standing, – seated = innominate dysfunction
- standing, + seated = sacral dysfunction
+ standing, + seated = sacral dysfunction

Think of it this way…

A STANDING flexion test takes into account the ilia.
A SEATED flexion test CANCELS out the ilia…the patient is sitting on them therefore they are nullified…at least for the purpose of this physical exam technique.

An innominate dysf will give you a + standing flexion test
A sacral dysf will give you a + seated flexion test and often a + standing flex test

Lumbosacral Spring Test

So if you have poor motion or pain, there is some posterior element, like extension, posterior margin, or R on L.

Backward Bending

Positive= more asymmentrical= your posterior is posterior

Negative= symmetrical= your anterior is anterior

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