QUESTIONS AND ANSWERS
What is the primary function of the Trapezius left and right - ANS Elevate the shoulders
In fitting spinal orthoses, what is an important measurement left and right? - ANS A very
snug full hip measurment
What's the landmark for the anterior inferior margin of any spinal or abdominal support? -
ANS At the level of the symphysis pubis
What is the" brown bag syndrome? - ANS Failure to teach the patiient to remove and re-
apply the product.
The inferior margin of the sacrum can be found? - ANS At the top of the crease of the
buttocks
How to apply compressive support - ANS From bottom up
What is the purpose for bridging posterior uprights in an LSO? - ANS To allow some flexion of
the lumbar spine
Why is the lumbosacral joint is the most vulnerable region in the spinal column? - ANS L5
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vertebra sits on the sacrum at a 45 degree angle
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, What degree of flexion is commonly built into custom fit LSOs and TLSOs? - ANS 15 degrees
When pt is seated, how much space should be between the bottom of the LSO and TLSO and a
firm sitting surface? - ANS 2"
What is the anterior length measurment for most spinal hyperextension orthoses? -
ANS From the sternal notch to the symphysis pubis, less 2"
The hip is what kind of joint? - ANS A ball and socket type joint.
What is the Largest joint? - ANS The Knee
Hip abduction orthoses are usually set at what degree? - ANS 15 degrees of abduction. (Max
is 30/ 10 flexion)
The ham strings are made up of 3 main components? - ANS The semimembranious,
semitendinosis and the bicep femoris
What is the Largest muscle? - ANS gluteus medius. (hip external rotator, hip abductor- open
chain, decelerates hip internal rotation)
ACL injuries usually lead to ? - ANS Rotational instablilites
Genu Recurvatum involves disruption of the ? - ANS PCL (Posterior Cruciate Ligament)
located back of knee
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AFO 's generally help pick up the toe during swing, assisting? - ANS Anterior tibialis (stage for
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gait walking)
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