Chapter 4 muscles of the spine and thorax
the insertion of the diaphragm
central tendon
____of the head and neck would shorten the splenus capitis
extension
__ __ of the head and neck would shorten the splenuis cervis
lateral flexion
The origin of the oblique capitis inferior
spinous process if the axis
The splenius capitis is a deep muscle except on the lateral side of the neck where it is superficial between which two muscles?
trapezius and sternocleidomastiod
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, rhomboids, or serratus anterior
The origin of the rectus capitis posterior minor
tubercle of the posterior arch of the atlas
The origin of the semispinalis capitis
transverse process C-4 to T-5
The insertion of the capitis inferior
transverse process of the atlas
The origin of the oblique capitis superior
transverse process of the atlas
The insertion of the splenius cervicis
tranverse processes of c-1 to c-3
The insertion of the iliocostalis
tvps of lumbar vertebrae 1-3 and posterior surface of rubs 6-12, posterior surface of ribs 1-6, tvps of lower cervicals
which three bony landmarks can help you to isolate the borders of the quadratus lumborum?
twelfth rib, posterior iliac crest, transverse process of the lumbar vertebrae
what does the quadratus lumborum do?
unilaterally abducts trunk
The insertion of the longissimus
Lower 9 ribs and tvps of the thoracic vertebrae, the tvps of the cervical vertebrae, mastiod process
The origin of the rotatores
Tvps of lumbar through cervical vertebrae
the insertion of the transverse abdominis
abdominal aponeurosis to linea alba
the insertion of the external oblique
anterior part of the iliac crest, abdominal aponeurosis to linea alba.
The insertion of the oblique capitis superior
between the nuchal lines of the occiput
The insertion of the semispinalis capitis
between the superior and inferior nuchal lines of the occiput
the insertion of the rectus abdominis
cartilage of fifth, sixth and seventh ribs and the xiphoid process
when the diaphragm muscle fibers contract, what connective tissue structure is pulled inferiorly?
central tendon
The origin of the iliocostalis
common tendon(lumborum), posterior surface of the ribs 1-12
The origin of the longissimus
common tendon, tvps of upper five thoracic vertebrae
what is the primary muscle of respiration
diaphram
you are palpating lateral tot he edge of the rectus abdominis and the fibers you feel are superficial and running at an angle. which muscle is this?
external oblique
the origin of the external oblique
external surfaces of the fifth to twelfth ribs
what does the rectus abdominus do?
flex the trunk(synergists)
___ of the spine would lengthen the iliocastals
flexion
The insertion of the rectus capitis posterior major
inferior nuchal line of the occiput
The insertion of the rectus capitis posterior minor
inferior nuchal line of the occiput
The origin of the splenius capitis
inferior one-half of ligamentum nuchae and spinous processes of c-7 to T-4
The origin of the diaphragm
inner surface of lower six ribs, upper two or three lumbar vertebrae and inner part of xiphoid process
the insertion of the internal oblique
internal surface of lower three ribs, abdominal aponerurosis to linea alba
as a group, the transversospinalis muscles can be easily located along the____ of the thoracic and lumbar vertebrae
lamina groove
the insertion of the quadratus lumborum
last rib and transverse processes of first through fourth lumbar vertebrae
Which edge of the quadratus lumborum is accessible from the side of the torso?
lateral edge
____ ____ of the spine to the same side would shorten the longissimus
lateral flexion
the origin of the internal oblique
lateral inguinal ligament, iliac crest and thoracolumbar fascia
the origin of the transverse abdominis
lateral inguinal ligament, iliac crest, thoracolumbar fascia and internal surface of lower six ribs
What action could you ask your partner to perform to feel the quadratus lumborum contract?
laterally tilt the hip
name two muscles which you would have to palpate to access various portions of the intercoastals
latissimus dorsi, pectoralis major, and external oblique
Rotating the head to the left demands the contraction of which splenius capitis --- left of right?
left
when is it best to move your fingers as you curl them underneath the rib cage to feel the diaphragm?
only as your partner exhales
The origin of the quadratus lumborum
posterior iliac crest
the origin of the rectus abdominis
pubic crest
To contact the lower fibers of the erector spinae group in a prone position, you could ask your partner to perform what action?
raise and lower his feet slightly
Which abdominal muscle runs vertically from the rib cage to the pubic crest?
rectus abdominus
the erector spinae is the antagonist to?
rectus abdominus and trunk flexors
rotating your trunk to the right would engage your left internal oblique muscle?
right
To distinguish the trapezius fibers from the splenius capitis fibers, you could ask your partner to perform what action?
rotate his head slightly toward the side you are palpating
what does the external oblique do?
rotates trunk, supports abdominal wall (synergists)
what does the internal oblique do?
rotates trunk, supports abdominal wall (synergists)
____ of the spine to the same side would lengthen the multifidi
rotation
____of the head and neck to the opposite side would lengthen the splenius capitis
rotation
____of the spine to the opposite would shorten the rotatores
rotation
the origin of the multifidi
sacrum and tvps of the lumbar through cervical verebrae
The most medial branch of the erector spinae group is the___,while the most lateral is the___
spinalis, iliocostals
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 nuchael line of the occiput and c-2
The origin of the rectus capitis posterior major
spinous process of the axis
The insertion of the rotatores
spinous process of the lumbar vertebrae through the second vertebrae(each belly spanning 2-4 vertebrae)
The insertion of thesplenius capitis
spinous processes of T-3 to T-6
The origin of the splenius cervicis
spinous processes of T-3 to T-6
the insertion of the multifidi
spinous processes of lumbar vertebrae through second cervical vertebra(each belly spanning 1-2 vertebrae)
The origin of the spinalis
spinous processes of the upper lumbar and lower thoracic vertebrae, ligamentum muchae, sinous process of C-7
what does the transverse abdominus do?
supports abdominal wall(synergists)
How can the upper fibers of the trapezius be helpful in location the suboccipitals?
the trapezius's lateral edges is the same width as the suboccipitals
In the lumbar region, the erectors lie deep to what connective tissue structure?
thoracolumbar
___of the head to the opposite side would lengthen the oblique capitis inferior
rotation
___of the head to the same side would shorten the rectus capitis posterior major
rotation
unlike the long, vertical erector fibers, the branches of the transversospinalis group consist of many___ fibers
short diagonal
The insertion of the spinalis
spinous processes of the upper thoracic, spinous processes of cervical except C-1