Neck and Superficial Thorax Muscles To Know

Question 1

Trapezius attachments

Answer 1

funicular portion of nuchal ligament to scapular spine

Question 2

Rhomboideus

Answer 2

nuchal ligament and dososcapular ligament C2-T8 to scapular cartilage

Question 3

Omotransversarius attachments

Answer 3

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

Question 4

Splenius attachments

Answer 4

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

Question 5

subclavius attachments

Answer 5

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

Question 6

Omohyoideus attachments

Answer 6

shoulder fascia to basihyoid

Question 7

Sternocephalicus attachments

Answer 7

manubrium to cd border of mandible

Question 8

Sternothyroideus attachments

Answer 8

manubrium to thyroid cartilgage

Question 9

Sternohyoideus attachments

Answer 9

manubrium to basihyoid

Question 10

Serratus ventralis attachments

Answer 10

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

Question 11

Latissimus dorsi attachments

Answer 11

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

Question 12

Cutaneous trunci

Answer 12

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

Question 13

brachiocephalicus fx

Answer 13

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

Question 14

scaleneus attachments

Answer 14

1st rib to transverse process of CV

Question 15

serratus ventralis fx

Answer 15

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

Question 16

omohyoideus fx

Answer 16

synergistic with hyoid muscles to retract laryxn

Question 17

rhomboideus fx

Answer 17

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

Question 18

scalenus fx

Answer 18

flexes neck or bends it laterally

Question 19

Longissimus attachments

Answer 19

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

Question 20

longisimus fx

Answer 20

flexes neck or bends it laterally

Question 21

semispinalis capitus attachments

Answer 21

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

Question 22

epaxial medial to lateral

Answer 22

transversospinalis, longisimus, iliocostalis

Question 23

semispinalis is a named type of which epaxial muscle

Answer 23

transverso spinalis

Question 24

iliocostalis

Answer 24

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

Question 25

longus muscles

Answer 25

longus Colli and longus capitus

Question 26

Longus colli attachments

Answer 26

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

Question 27

Longus colli fx

Answer 27

flex neck laterally

Question 28

Longus capitus attachments

Answer 28

transverse processes of C3-C5 to base of skull

Question 29

Longus captius fx

Answer 29

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

Question 30

sternohyoideus fx

Answer 30

retract hyoid

Question 31

sternothyroideus fx

Answer 31

retract hyoid

Question 32

sternthyroideus and sternohyoideus relatioship

Answer 32

sternothyroideus is lateral to sternohyoideus

Question 33

sternocephalicus attachments

Answer 33

manubrium to cd angle of mandible

Question 34

sternocephalicus fx

Answer 34

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

Question 35

Latissimus dorsi fx

Answer 35

digging muscle, retract limb, gallop

Question 36

trapezius fx

Answer 36

elevates shoulder and can move it craniodorsal or caudodorsal

Question 37

Cutaneous colli

Answer 37

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

Question 38

Pectoral muscles

Answer 38

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

Question 39

superficial pectoral muscle attachments

Answer 39

sternum and medial forelimb

Question 40

superficial pectoral muscle fx

Answer 40

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

Question 41

deep pectoral muscle attachments

Answer 41

sternum, greater and lesser tubercle of the humerus

Question 42

deep pectoral muscle fx

Answer 42

can retract the limb and stabilize the shoulder

Question 43

subclavius fx

Answer 43

tablize shoulder, suspend trunk

Question 44

Splenius fx

Answer 44

extend and elevate head, bends head and neck laterally

Question 45

omotransversarius fx

Answer 45

extends limb or bends neck laterally

Question 46

brachiocephalicus attachments

Answer 46

crest of humerus to mastoid process of skull

Question 47

scalenus attachments

Answer 47

1st rib to transverse process of cervical vertebrea

Question 48

sternothyroideus attachments

Answer 48

manubrium to thyroid cartilage