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Anatomy III oral > A8 > Flashcards

A8 Flashcards

Muscles of the thoracic and pelvic girdle

1
Q

<p>Muscles of the thoracic girdle</p>

A 
<ul>
	<li>M. trapezius</li>
	<li>M. latissimus dorsi</li>
	<li>M. sternocleidomastoideus</li>
	<li>M. Omotransversarius</li>
	<li>M. Pectorales superficiales</li>
	<li>M. pectorales profundus</li>
	<li>M. subclavius</li>
	<li>M. rhomboideus</li>
	<li>M. serratus ventralis</li>
</ul>
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2
Q

<p>Muscles of the pelvic girdle</p>

A 
<ul>
	<li>M. psoas minor</li>
	<li>M. iliopsoas</li>
	<li>M. quadratus lumborum</li>
</ul>
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3
Q

<p>What muscles is the broadest of the back?</p>

A

<p>M. latissimus dorsi</p>

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4
Q

<p>M. latissimus dorsi - general - Ca - Eq</p>

A

<p>O: thoracolumbar fascia</p>

<p>I: major and lesser tubercle</p>

<p>A: draws the free limb caudally, important for the retraction of the limb. antagonist of M. brachiocephalicus</p>

<p>Ca:</p>

<p>O: + lasth thoracic vertebrae, lumbar and ribs</p>

<p>I: + tuberositas teres major</p>

<p>A: will help in flexing of the shoulder</p>

<p></p>

<p>Eq: O: + supraspinous ligament I: medial aspect of humerus</p>

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5
Q

<p>How many parts has M. trapezius?</p>

A

<p>2
Thorcaci and cervical
divided by and tendinous band
</p>

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6
Q

<p>M. trapezius</p>

A

<p>Both parts inserts on spina scapula</p>

<p>Cervical part -</p>

<p>O: raphe of the neck</p>

<p>Thoracic part -</p>

<p>O: supraspinous lig + proc spinosus on Th</p>

<p>A: elevate and abduct the forelimb</p>

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7
Q

<p>What are the two main categories of muscles of M. sternocleidomastoideus?</p>

A

<p>M. sternocephalicus</p>

<p>M. brachicephalicus</p>

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8
Q

<p>The different muscles of M. sternocephalicus?</p>

A

<p>Ca: -</p>

<p>M. Sternomastoideus</p>

<p>M. Sternooccipitalis</p>

<p>Ru:</p>

<p>- M. Sternomastoideus</p>

<p>- M. Sternomandibularis</p>

<p>Sus:</p>

<p>M. Sternooccipitalis</p>

<p>Eq:</p>

<p>- M. Sternomandibularis</p>

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9
Q

<p>The different parts of M. brachiocephalicus?</p>

A

<p>M. cleidobrachialis</p>

<p>M. cleidocephalicus</p>

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10
Q

<p>Different muscles of M. cleidocephalicus?</p>

A

<p>Ca:</p>

<p>- M. Cleidomastoideus</p>

<p>- M. Clediocerviales</p>

<p>Ru:</p>

<p>- M. Cleidooccipitalis</p>

<p>- M. Cleidomastoideus</p>

<p>Sus:</p>

<p>- M. Cleidooccipitalis</p>

<p>Eq:</p>

<p>- M. Cleidomastoideus</p>

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11
Q

<p>M. omotransversarius</p>

A

<p>Runs between the wing of the atlas, proc. transversus of axis to the spine of the scapula. Its ventral portion is fused with the cervical part of the trapezius. except in the horse where it is united with the m. cleidomastoideus.</p>

<p>It will advance the limb and flex the neck laterally</p>

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12
Q

<p>What are the two parts of M. pectorales superficiale?</p>

A

<p>pectoralis descendes ( most cranial)</p>

<p>pectoralis transversus</p>

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13
Q

<p>M. pectorales superficiale (+interspecies)</p>

A

<p>1. M. pectralis descendens</p>

<p>O: manubrium sterni</p>

<p>I: crista tuberculi major</p>

<p>2. M. pectoralis transversus</p>

<p>O: first six costal cartilages</p>

<p>I: fascia brachii</p>

<p>Ca: Can barely be separated, covers the bicep, inserts together on crista tuberculi major</p>

<p>Eq: the descending part extends between the manubrium sterni and crista humeri</p>

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14
Q

<p>M. pectoralis profundus</p>

A

<p>Strong muscle

originating from the sternum, xiphoid process and costal cartialges

Inserts on either the medial or lateral aspect of th eproximal part of humerus

Will draw limb backwards, support the trunk and move it cran, also extens the shoulder</p>

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15
Q

<p>M. pectoralis profundus - Ca - Eq</p>

A

<p>Ca: Divided into a major deep portion and a minor superficial portion</p>

<p>O: sternum, deep fascia of the trunk</p>

<p>I: tuberculum minor, medial</p>

<p>Eq: largest pectoral muscle</p>

<p>O: tunica abdomnialis, lateral aspect of the sternum,costal cartilages and the ribs</p>

<p>I: two branches on the greater ad lesser tubercle + the supraglenoid tubercle</p>

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16
Q

<p>Who has M. subclavius?</p>

A

<p>Ru, Sus and Eq</p>

17
Q

<p>Who has cleidomastoideus?</p>

A

<p>Eq + Ru + ca</p>

18
Q

<p>Who has cleidooccipitalis?</p>

A

<p>Ru + sus</p>

19
Q

<p>Who has cleidocervicales?</p>

A

<p>Ca</p>

20
Q

<p>who has Sternomastoideus?</p>

A

<p>Ca + Ru </p>

21
Q

<p>Who has sternooccipitalis?</p>

A

<p>Ca + sus

| </p>

22
Q

<p>Who has sternomandibularis?</p>

A

<p>Ru + Eq</p>

23
Q

<p>M. subclavius</p>

A

<p>In Sus + Eq</p>

<p>O: 2-4th costal cartilage</p>

<p>I: joins supraspinous muscle</p>

<p>In Ru Narrow band</p>

<p>O: first costal cartilage</p>

<p>I: inserts together with m.brachicephalicus</p>

<p>Will fixate the scapula Dogs have intersectio clavicularis instead</p>

24
Q

<p>What are the parts of M. rhomboideus?</p>

A

<p>Cervicis and thoracics.</p>

<p>In dogs also capitis</p>

25
Q

<p>M. rhomboideus</p>

A

<p>all inserts on the dorsomedial border of scapula and will elevate the scapula Cervicis raphe of neck</p>

<p>Eq+ru: lig nucha Thoracics Proc spinosus of th (4-7)</p>

<p>Capitis O: raphe of neck</p>

26
Q

<p>what is the most important muscle of the muscular suspension of the thorax?</p>

A

<p>M. serratus ventralis</p>

27
Q

<p>What are the diffrent parts of serratus ventralis?</p>

A

<p>Cervicis and thoracis</p>

28
Q

<p>M. serratus ventralis</p>

A

<p>1. M. serratus ventralis cervicis</p>

<p>O: proc. transversus of cervical vertbrae</p>

<p>2. M. serratus ventralis thoracis</p>

<p>O: first seven ribs</p>

<p>They will both insert on the scapular ligament¨ will support the trunk and carry scapula, moving it forward and backwards</p>

29
Q

<p>What are the muscles of the pelvic girdle responisble for?</p>

A

<p>dorsi- and ventriflexion of the spine, will stabilize the vertebral column and pelvis when the animal is walking</p>

30
Q

<p>M. psoas minor and the interspecial differences</p>

A

<p>O: ventral aspecr of the last 2-3 thoracic</p>

<p>I: tuberculi m. psoas minor (Øca)</p>

<p>Ca: inserts on the iliac fascia and ends on the arcuate line of the ilium extending into the iliopubic eminence</p>

<p>Ru+Eq: multile tendinous intersection</p>

31
Q

<p>The parts of M. ilipsoas</p>

A

<p>M. psoas major</p>

<p>M. iliacus</p>

32
Q

<p>Interspecial difference of M. ilipsoas</p>

A

<p>Ca: The two parts are firmly fused</p>

<p>Eq + Ru: Strong and fleshy, two heads:</p>

<p>Lateral: stronger, originates from ala ossis ilii</p>

<p>Medial: smaller, originates from the shaft</p>

33
Q

<p>M. psoas major</p>

A

<p>Lies ventrally to the quadratus, dorsal to the psoas minor</p>

<p>O: bodies and proc. transversus of lumbar vertebrae, last 2 thoracic vertebrae and the ribs</p>

<p>I: trochanter minus</p>

34
Q

<p>M. iliacus</p>

A

<p>passes through the muscular lacuna</p>

<p>O: ala ossis illii</p>

<p>I: trochanter minus</p>

35
Q

<p>Muscular lacuna</p>

A

<p>an opening formed caudal to the abdomnial wall by the os coxae laterally and caudally, the rectus abdmonis muscle mediall and the iliac fascia cranially</p>

36
Q

<p>M. quadratus lumborum</p>

A

<p>Originates from the ventral surfaces of the transverse processes of the last lumbar vertebraes (ca 3) and the proximal ends of the ribs Inserts on the ventral surface of the wings of sacrum and ilium Stabilizes the vertebral column, ventri and dorsi flexion,</p>

<p>Ca + sus: will caus ventriflexion on sacroiliac joint</p>

<p>Ru + Eq: thin and tendinous , originating form the cran lumbar will insert on proc transversus of the causal lumbar + wing of sacrum</p>

37
Q
A

Anatomy III oral (51 decks)

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