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Anatomy 1 > Hypaxial Muscles > Flashcards

Hypaxial Muscles Flashcards

1
Q

what is the cranial attachments of the sternocephalicus

A

mastoid process of temporal bone and nuchal crest of occipital bone

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2
Q

what are the caudal attachments of the sternocephalicus

A

manubrium of sternum

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3
Q

what is the action of the sternocephalicus

A

ventral or lateral flexion of the neck

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4
Q

what is the cranial most attachment of the sternohyoideus

A

basihyoid bone

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5
Q

what is the caudal attachment of the caudal attachment

A

manubrium of sternum and the first costal cartilage

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6
Q

what is the action of sternohyoideus

A

to pull the hyoid apparatus, larynx, and tongue caudally during the swallowing reflex

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7
Q

what is the cranial attachment of the sternothyroideus

A

the thyroid cartilage of the larynx

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8
Q

what is the caudal attachment of the sternothyroideus

A

the first costal cartilage

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9
Q

what is the action of the sternothyroideus

A

to pull the hyoid apparatus, larynx, and tongue caudally during the swallowing reflex

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10
Q

what is the cranial attachment of the longus colli

A

the basilar portion of the occipital bone

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11
Q

what is the caudal attachment of the longus colli

A

the bodies of the thoracic vertebrae

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12
Q

what is the action of the longus colli

A

flexion of the neck

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13
Q

what is the cranial attachment of the longus capitis

A

the ventral arch of the atlas, bodies and transverse processes of the cervical vertebrae

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14
Q

what is the caudal attachment of the longus capitis

A

transverse process of C6

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15
Q

what is the action of the longus capitis

A

flexion of the atlantooccipital joint and neck

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16
Q

what is the ventral portion of the scalenus

A

C3-C6 to the first costal cartilage

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17
Q

what is the dorsal portion of the scalenus

A

C4-C6 to ribs 2-8

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18
Q

what is the action of the scalenus

A

to flex the neck and act as an agonist during inspiration

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19
Q

what is the cranial attachment of the rectus thoracis

A

the first rib

20
Q

what is the caudal attachment of the rectus thoracis

A

4th rib

21
Q

what is the action of the rectus thoracis

A

agonist during inspiration

22
Q

what is the cranial attachment of the eternal intercostal

A

caudal border of the cranial rib

23
Q

what is the caudal attachment of the external intercostal

A

cranial border of the caudal rib

24
Q

what is the main action of the external intercostal

A

inspiration

25
Q

what is the cranial attachment of the internal intercostal

A

caudal border of cranial rib

26
Q

what is the caudal attachment of the internal intercostal

A

cranial border of the caudal rib

27
Q

what is the main action of the internal intercostal

A

expiration

28
Q

how do you tell internal and external intercostals apart

A

external intercostals run caudo-ventrally while internal intercostals run cranio-ventrally

29
Q

what is the medial attachment of the transverse thoracis

A

sternum

30
Q

what is the lateral attachment of the transverse thoracis

A

costal cartilages

31
Q

what is the action of the transverse thoracis

A

agonist during expiration

32
Q

what is the lateral attachment of the diaphragm

A

costal cartilages and costal arches

33
Q

what is the dorsal attachment of the disphragm

A

bodies of the 3rd and 4th lumbar vertebrae

34
Q

what is the ventral attachment of the diaphragm

A

the xiphoid process

35
Q

what is the action of the diaphragm

A

main inspirator muscle

36
Q

what is the cranio-dorsal attachment of the external obdominal oblique

A

ribs minus the first 3 and the thoracolumbar fascia

37
Q

what is the ventro-caudal attachment of the external abdominal oblique

A

via the aponeurosis inert in the linea alba and prepubic tendon

38
Q

what is the action of the external abdominal oblique

A

agonist during expiration, compression of abdominal cavity, flexion and lateral movements of lumbar region and pelvis

39
Q

what is the cranio-dorsal attachment of the internal abdominal oblique

A

tuber coxae, thoracolumbar fascia, costal arch

40
Q

what is the ventral caudal attachment of the internal abdominal oblique

A

via its aponeurosis inert in linea alba and prepubic tendon

41
Q

what is the action of the internal abdominal oblique

A

agonist during expiration, compression of abdominal cavity, flexion and lateral movements of lumbar region and pelvis

42
Q

what is the cranio-dorsal attachment of the transverse abdominis

A

thoracolumbar fascia, costal arch, lumbar transverse process

43
Q

what is the ventro-caudal attachment of the transverse abdominis

A

via its aponeurosis inert in the linea alba

44
Q

action of the transversus abdominis

A

agonist during expiration, compression of abdominal cavity

45
Q

cranial acttachment of the rectus abdominis

A

first costal cartilages

46
Q

caudal attachment of the rectus abdominis

A

pubic tubercle via the prepubic tendon

47
Q

what is the action of the rectus abdominis

A

agonist during expiration, compression of abdominal cavity, flexion of lumbar region and pelvis

Anatomy 1 (7 decks)

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