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Spine and thorax muscle group #1 & #2

Terms in this set (20)

The most medial branch of the erector spinae group is the ___, while the most lateral is the ___.
spinalis, iliocostalis
In the lumbar region, the erectors lie deep to what connective tissue structure?
thoracolumbar fascia
To contract the lower fibers of the erector spinae group in a prone position, you could ask your partner to perform what action?
raise and lower their feet slightly
when exploring between the scapulae, can you name two muscles through which you will have to palpate to access the deeper erector spinae fibers?
trapezius, rhomdoids, or serratus posterior superior
unlike the long, vertical erector fibers, the branched of the transversospinalis group consist of many ______ fibers.
short diagonal
As a group, the transversospinalis muscles can be easily located along the _________ of the thoracic and lumbar vertebrae.
lamina grooves
passive flexion of the spine would ______ the iliocostalis
lengthen
passive rotation of the spine to the opposite side would ______ the rotatores
shorten
passive lateral flexion of the spine to the same side would ______ the longissimus
shorten
Passive rotation of the spine to the same side would _______ the multifidi.
lengthen
rotating the head to the left demands the contraction of which splenius capitis- left or right?
left
The splenius capitis is a deep muscle except on the lateral side of the neck where it is superficial between which two muscles?
trapezius, sternocleidomastoid
to distinguish the trapezius fibers from splenius capitis fibers, you could ask your partner to perform what action?
rotate their head slightly toward the side you're palpating
How can the upper fibers of the trapezius be helpful in locating the suboccipitals?
the trapezius's lateral edge is the same width as the suboccipitals
what two bony landmarks and one region can be helpful to isolate the location of the suboccipitals?
spinous process of C-2, TVPs of C-1, the space between the superior nuchal line of the occiput and C-2
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