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Equine Anatomy > Neck and Superficial Thorax Muscles To Know > Flashcards

Neck and Superficial Thorax Muscles To Know Flashcards

1
Q

Trapezius attachments

A

funicular portion of nuchal ligament to scapular spine

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2
Q

Rhomboideus

A

nuchal ligament and dososcapular ligament C2-T8 to scapular cartilage

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3
Q

Omotransversarius attachments

A

shoulder fascia to transverse processes of cervical vertebrea (c2-c4); if something is attaching to multiple CV its omotransversarius

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4
Q

Splenius attachments

A

funicular portion nuchal ligament from withers to poll, transverse processes of cervical vertebrea

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5
Q

subclavius attachments

A

often considered component of deep pectoral muscle; manubrium and sternum to supraspinatus and shoulder fascia; lies cr to cr aspect of scapula

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6
Q

Omohyoideus attachments

A

shoulder fascia to basihyoid

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7
Q

Sternocephalicus attachments

A

manubrium to cd border of mandible

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8
Q

Sternothyroideus attachments

A

manubrium to thyroid cartilgage

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9
Q

Sternohyoideus attachments

A

manubrium to basihyoid

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10
Q

Serratus ventralis attachments

A

transverse processes of cervical vertebrea c4-c7, first 8-9 ribs, dorso-medial scapula

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11
Q

Latissimus dorsi attachments

A

thoracolumbar fascia to teres major tuberosity (medial humerus); extrinsic limb muscle

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12
Q

Cutaneous trunci

A

innervated by lateral thoracic nerve; makes skin twitch in response insects/ stimuli ect

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13
Q

brachiocephalicus fx

A

extends the limbs if the limb fixed will pull head to the side

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14
Q

scaleneus attachments

A

1st rib to transverse process of CV

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15
Q

serratus ventralis fx

A

suspends trunk, raises neck when forelimb is fixed, supports inspiration

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16
Q

omohyoideus fx

A

synergistic with hyoid muscles to retract laryxn

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17
Q

rhomboideus fx

A

elevates neck and draws scapula dorsocranially; draws dorsal end of scapula toward midline

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18
Q

scalenus fx

A

flexes neck or bends it laterally

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19
Q

Longissimus attachments

A

transverse processes to skull, wing of atlas, other transverse processes

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20
Q

longisimus fx

A

flexes neck or bends it laterally

21
Q

semispinalis capitus attachments

A

CV and transverse processes of first 8 thoracic vertebrea of skull (part of transversospinalis muscle group)

22
Q

epaxial medial to lateral

A

transversospinalis, longisimus, iliocostalis

23
Q

semispinalis is a named type of which epaxial muscle

A

transverso spinalis

24
Q

iliocostalis

A

long white tendons attach to ribs, sacrum -> cd cervical neck

25
Q

longus muscles

A

longus Colli and longus capitus

26
Q

Longus colli attachments

A

transverse process of CV and bodies of thoracic vertebrea to body of CV, other transverse processes, and ventral atlas

27
Q

Longus colli fx

A

flex neck laterally

28
Q

Longus capitus attachments

A

transverse processes of C3-C5 to base of skull

29
Q

Longus captius fx

A

flex neck laterally, elevate the head and neck as it bends laterally

30
Q

sternohyoideus fx

A

retract hyoid

31
Q

sternothyroideus fx

A

retract hyoid

32
Q

sternthyroideus and sternohyoideus relatioship

A

sternothyroideus is lateral to sternohyoideus

33
Q

sternocephalicus attachments

A

manubrium to cd angle of mandible

34
Q

sternocephalicus fx

A

pulls head from side to side or up and down/ flex head and neck or move head and neck laterally

35
Q

Latissimus dorsi fx

A

digging muscle, retract limb, gallop

36
Q

trapezius fx

A

elevates shoulder and can move it craniodorsal or caudodorsal

37
Q

Cutaneous colli

A

component of platysma muscle; arises at manubrium blends into superficial fascia, crosses distal 1/3 of neck; can -> issues raising ext jug

38
Q

Pectoral muscles

A

superficial pectoral muscle (transverse portion and descending portion); deep pectoral muscle; deep pectoral is deep to superfical

39
Q

superficial pectoral muscle attachments

A

sternum and medial forelimb

40
Q

superficial pectoral muscle fx

A

adduction of limb; can protract or retract limb and part of ventral sling musculature

41
Q

deep pectoral muscle attachments

A

sternum, greater and lesser tubercle of the humerus

42
Q

deep pectoral muscle fx

A

can retract the limb and stabilize the shoulder

43
Q

subclavius fx

A

tablize shoulder, suspend trunk

44
Q

Splenius fx

A

extend and elevate head, bends head and neck laterally

45
Q

omotransversarius fx

A

extends limb or bends neck laterally

46
Q

brachiocephalicus attachments

A

crest of humerus to mastoid process of skull

47
Q

scalenus attachments

A

1st rib to transverse process of cervical vertebrea

48
Q

sternothyroideus attachments

A

manubrium to thyroid cartilage

Equine Anatomy (14 decks)

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