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45 Cards in this Set
- Front
- Back
describe the superficial fascia
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fatty layer of connective tissue, loose areolar, fat distribution is dependent on hormones
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describe the deep fascia
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encloses structures deep to superficial fascia, dense organized connective tissue
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What is the thoracolumbar fascia and which muscle is it associated with
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deep fascia, lastimus dorsi
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trapezius muscle origin
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superial nuchal line, external occipital protuberance, ligamentum nuchae, and spinous processes of C7-T12
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Tranpezius muscle insertion
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upper- lateral third of the clavicle, acromion process, spine of scapula
middle and lower- medial end of the spine of the scapula |
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what does the trapezius do
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upper- elevate
middle-retract upper and lower- rotate scapula |
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Does the trapezius act on the shoulder? shoulder joint?
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yes
no |
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trapezius innervation
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accessory nerve CN11, C3, C4
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trapezius blood supply
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transverse or superfiscial arteries
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latissimus dorsi origin
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spinous processes of T7 down to the sacrum, crest of the ilium, lower ribs
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posterior to the sacrum the latissimus dorsi is fused to what?
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tendon of the erector spinae muscles
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Insertion of the latissimus dorsi
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lesser tubercular ridge and intertubercular sulcus of the humerus
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what does the latissimus dorsi do
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extends, adducts, and medially rotates the humerus
acts on shoulder joint |
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what innervates the latissimus dorsi
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thoracodorsal nerve
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what is the blood supply for the latissimus dorsi
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thoracodorsal vessels
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where is the origin of the levator scapulae muscle
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transverse process of the upper four cervical vertebrae
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where does the levator scapulae muscle insert
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vertebral border of the scapula
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innervation of levator scapulae
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C3,4 cervical plexus and the dorsal scapular nerve
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blood supply of levator scapulae
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dorsal scapular vessels
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rhomboideous major origin? minor
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major: spinous process of c7-t4
minor: lower part of ligamentum nuchae and spine of C7 |
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insertion rhomboideus major/minor
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vertebral border of scapular below spine
vertebral border of scapula at the level of the spine |
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innervation of rhomboideus
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dorsal scapular nerve
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blood supply
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dorsal scapular vessels
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what do the rhomboideus do
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retract shoulder
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serratus posterior superior and inferior muscles- origin
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midline from spinous process
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serratus posterior superior and inferior muscles- insertion
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ribs
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serratus posterior superior and inferior muscles- innervation
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intercostal nerves
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serratus posterior superior and inferior muscles- function
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inspiration
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borders of the triangle of auscultation
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lateral- scapula
medial- trapezius inferior- latissumus dorsi muscle |
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splenius capitis and cervicis- origin
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ligamentum nuchae and spinous process of C7-T6
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splenius capitis and cervicis muscles- insertion
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superior nuchal line, mastoid process, and transverse processes of C2 and C3
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splenius capitis and cervicis function
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extend the head and neck, turn the head
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splenius capitis and cervicis- innervation
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dorsal primary rami
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erector spinae muscles- function
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priniciple extensor of back
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erector spinae muscles- the three
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spinalis, longissimus, iliocostalis
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erector spinae- mnuemonic
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I long for spinnach (from lateral to medial)
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erector spinae innervation
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dorsal primary rami
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transversospinal group of muscles
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rotator, multifidus, semispenalis
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suboccipital triangle
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four muscles, important nuerovascular structures housed there
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muscles of suboccipital triangle
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inferior oblique muscle, superior oblique muscle, rectus capitis posterior minor muscle, rectus capitis posterior major muscle
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inferior oblique muscle
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origin spine oc C2
insertion transverse process of C1 |
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superior oblique muscle
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origin: transverse c1
insertion occipital bone |
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recutus capitis posterior minor
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origin- posterior tubercle of C1
insertion- occipital bone |
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rectus capitis posterior major
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origin spinous process of C2
insertion occipital bone |
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suboccpital triangle innervation
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suboccipital nerve
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