Term
| name the OINA of the rectus capitis anterior. |
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Definition
O: atlas
I: occipital bone
N: Ventral rami, C1, C2
A: flexes head |
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Term
| name the OINA of the rectus capitis lateralis. |
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Definition
O: atlas
I: Occcipital bone
N: Ventral rami, C1, C2
A: lateral flexion of the head |
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Term
| name the OINA of the sternocleidomastoid. |
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Definition
O: Manubrium and Medial 1/3 of clavical
I: Mastoid Process
N: Accessory nerve (CN XI)
A: Flexes neck and rotates head to opposite side (L side rotates to right) |
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Term
| name the OINA of the splenius cervicis. |
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Definition
O: Spinous processes of T3-T6
I: transverse process of C1-C3
N: dorsal rami
A: extends neck (bilateral contraction) and rotates the head to the same side (unilateral contraction) |
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Term
| name the OINA of the splenius capitis. |
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Definition
O: spinous processes of C7-T4 and Ligamentum nuchae
I: Mastoid process and lateral part of the superior nuchae line
N: dorsal rami
A: extends neck (bilateral contraction) and rotates the head to the same side (unilateral contraction) |
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Term
| name the origin of the erector spinae iliocostalis lumborum and erector spinae longissimus thoracis? |
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Definition
O: iliac crest, sacrum, spinous process T11-T12 and the lumbar vertebrae
I: lower ribs |
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Term
| what is the actions of the erector spinae iliocostalis (lumborum, thoracis, cervicis)? |
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Definition
extends the back (bilateral contraction)
lateral flexion of trunk (unilateral contraction
controls flexion eccentrically against gravity |
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Term
| name the origin and insertion of the erector spinae iliocostalis thoracis? |
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Definition
O: lower ribs
I: upper ribs insertion |
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Term
| name the origin and insertion of the erector spinae iliocostalis cervicis? |
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Definition
O: upper ribs
I: cervical transverse processes |
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Term
| what is the insertion of the erector spinae iliocostalis lumborum? |
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Definition
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Term
| what is the insertion of the erector spinae longissimus thoracis? |
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Definition
| lateral ribs and thoracic transverse processes |
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Term
| what nerve innervates the erector spinae iliocostalis and longissimus? |
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Definition
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Term
| what are the actions of the erector spinae longissimus (thoracis, cervicis and capitis)? |
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Definition
extends the back (bilateral contraction)
lateral flexion of the trunk (unilateral contraction)
controls flexion eccentrically against gravity |
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Term
| name the origin and insertion of the erector spinae longissimus cervicis. |
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Definition
O: upper 4-6 thoracic transverse processes
I: cervical 2-6 processes |
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Term
| name the origin and insertion of the erector spinae longissimus capitis. |
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Definition
O: upper cervical transverse processes
I: mastoid process |
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Term
| name the OINA of the erector spinae spinalis. |
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Definition
O: lower thoracic spinous processes
I: Upper thoracic spinous processes
N: dorsal rami
A: extends the back (bilateral contraction), lateral flexion of the trunk (unilateral contraction) and controls flexion eccentrically against gravity |
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Term
| name the origin and insertion of the semispinalis thoracis and cervicis. |
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Definition
O: transverse processes at appropriate level
I: spinous processes at appropriate level |
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Term
| name the origin and insertion of the semispinalis capitis. |
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Definition
O: inferior nuchal line
I: superior nuchal line |
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Term
| what nerve innervates the semispinalis (thoracis, cervicis and capitis)? |
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Definition
|
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Term
| what is the action of the semispinalis (thoracis, cervicis and capitis)? |
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Definition
| rotation to the opposite side |
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Term
| what is the intermediate portion of the erector spinae muscles? |
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Definition
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Term
| what is the most lateral portion of the erector spinae muscles? |
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Definition
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Term
| what is the most medial portion of the erector spinae muscles? |
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Definition
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Term
| T/F the erector spinae spinalis is only well developed in the lumbar region. |
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Definition
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Term
| name the muscles that are grouped together as the transversospinalis muscles. |
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Definition
semispinalis
multifidus
rotators |
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Term
| the semispinalis muscles are found most developed in which region of the spine? |
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Definition
|
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Term
| T/F the semispinalis muscles are superficial to the erector spinae fibers. |
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Definition
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Term
| name the OINA of the multifidus and rotatores. |
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Definition
O: transverse processes
I: spinous processes
N: dorsal rami
A: rotation to the opposite side |
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Term
| T/F the capitis fibers of the semispinalis run vertically. |
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Definition
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Term
| you can see the multifidus best in __region because there are no semispinalis muscles there. |
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Definition
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Term
| which muscle is in the deepest layer of the back have two segments that run lateral to medial? |
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Definition
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Term
| name the OINA of the segmental muscles (interspinalis and intertransversarii). |
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Definition
O: across adjacent vertebrae on either transverse processes or deep
(runs between vertebrae vertically)
N: dorsal rami
A: extends from one vertebrae to the next |
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Term
| which two muscles make up the segmental muscles? |
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Definition
interspinalis
intertransverarii |
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Term
| name the OINA of the obliquus capitis inferior. |
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Definition
O: spinous process of axis
I: transverse process of atlas
N: suboccipital nerve (C1)
A: rotates the atlas and head to same side |
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Term
| name the OINA of the obliquus capitis superior. |
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Definition
O: transverse process of atlas
I: near inferior nuchal line
N: C1
A: extends neck (bilateral contraction and lateral flexion of the neck (unilateral contraction) |
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Term
| name the OINA of the rectus capitis posterior major. |
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Definition
O: spinous process of axis
I: inferior nuchal line middle
N: C1
A: extends neck (bilateral contraction) |
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Term
| name the OINA of the rectus capitis posterior minor. |
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Definition
O: posterior tubercle of atlas
I: partially under cover of major near inferior nuchal line
N: C1
A: extends neck (bilateral contraction) |
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Term
| name the muscles that are grouped together as the suboccipital muscles. |
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Definition
| Obliquus capitis inferior and superior, rectus capitis posterior major and minor |
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Term
| the segmental muscles are only found in which regions of the spine? |
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Definition
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Term
| the suboccipital muscles connect which structures? |
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Definition
| connects the atlas and axis to each other and to the skull |
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Term
| name the four origins of the trapezius. |
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Definition
1. medial part of the superior nuchal line
2. ligamentum nuchae (an extension of the supraspinous ligament)
3. thoracic spinous processes
4. supraspinous ligament |
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Term
| name the three insertions of the trapezius. |
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Definition
1. lateral part of the clavical
2. acromion
3. spine of the scapula |
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Term
| what nerve innervates the trapezius? |
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Definition
| motor from spinal portion of ACCESSORY NERVE (CN XI) |
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Term
| what are the actions of the trapezius? |
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Definition
1. acting as a whole, rotates scapula upward
2. acting individually,
--upper: rotates scapula upward
--middle: retracts (adducts) scapula
--lower: depresses and upwardly rotates scapula |
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Term
| name the most superficial muscles of the back. |
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Definition
| trapezius and latissimus dorsi |
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Term
| the accessory nerve runs deep to the trapezius with the superficial branch of the _____ artery. |
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Definition
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Term
| name the 5 origin points of the latissimus dorsi. |
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Definition
1. spinous process T7-T12
2. lumbar aponeurosis (thoracolumbar fascia)
3. crest of ilium
4. lower 3 or 4 ribs
5. inferior angle of scapula |
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Term
| name the insertion and innervation of the latissimus dorsi. |
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Definition
I: floor of biciptial groove of humerus
N: thoracodorsal nerve (from bracial plexus) |
|
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Term
| where does the nerve the innervates the latissimus dorsi come from? |
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Definition
|
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Term
| name 4 actions of the latissimus dorsi. |
|
Definition
1. shoulder extension
2. shoulder internal rotation
3. should adduction
4. can contribute to scapular depression and retraction |
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Term
| name the intermediate layer of the superficial back. |
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Definition
levator scapulae
rhomboid major
rhomboid minor |
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Term
| name the OINA of the levator scapulae |
|
Definition
O: transverse processes of C1-C4
I: vertebral border between the spine and the superior angle of the scapula
N: dorsal scapular nerve
A: elevation and downward rotation of the scapula |
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Term
| the dorsal scapular nerve innervates which 3 muscles in the intermediate superficial back? |
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Definition
levator scapulae
rhomboid minor
rhomboid major |
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|
Term
| name the OINA of the rhomboid minor. |
|
Definition
O: spinous processes of C7-T1
I: vertebral border of scapula at the base of the spine
N: dorsal scapular nerve
A: downward rotation, retraction, and elevation of the scapula |
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|
Term
| name the OINA of the rhomboid major. |
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Definition
O: spinous processes T2-T5
I: vertebral border of scapula below rhomboid minor inferior to the spine
N: dorsal scapular nerve
A: downward rotation, retraction and elevation of the scapula |
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|
Term
| name the OINA of the serratus posterior superior. |
|
Definition
O: spinous processes of C7-T2
I: upper ribs
N: intercostal nerves T2-T5 (ventral rami)
A: assists in lifting the ribs in inspiration |
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Term
| the serratus posterior superior lie deep two which two muscles? |
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Definition
|
|
Term
| what landmark do you use to define and find the rhomboids? |
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Definition
| the spine of the scapula. the muscle attached to the spine is the minor, just below is the major |
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Term
| name the back muscles from most superior to deep in the superficial layer. |
|
Definition
trapezius and latissimus dorsi
rhomboid major and minor and levator scapulae
serratus posterior superior and inferior |
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Term
| name the OINA of the serratus posterior inferior. |
|
Definition
O: spinous processes T11-T12
I: lower ribs
N: intercostal nerves T9-T12 (ventral rami)
A: unclear, may hold lower ribs down during inspiration |
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Term
| T/F the actions of the serratus posterior inferior is clear and defined. |
|
Definition
false
may hold lower ribs down during inspiration |
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