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Mammalian Anatomy > Practical 2 - OIA > Flashcards

Practical 2 - OIA Flashcards

1
Q

Pectoantebrachialis

A

O - Manubrium of sternum
I - Proximal end of ulna
A - Adduction of arm

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2
Q

Pectoralis major

A

O - Clavicular Head
I - Bicipital groove of humerus
A - Flexes and extends humerus

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3
Q

Pectoralis minor

A

O - 3rd and 5th ribs
I - Coracoid process of scapula
A - Stabilizes scapula, raises ribs in inspiration

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4
Q

External Oblique

A

O - 5th and 12th ribs
I - Iliac crest, public tubercle, linea alba
A - Contralateral rotation of torso

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5
Q

Clavotrapezius

A

O - Lambdoidal ridge of skull
I - Raphe of clavicle
A - Flexes forearm, turns head and extends humerus forward

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6
Q

Acromiotrapezius

A

O - Spines of cervical and ant. thoracic vertebrae (C2 to T1-4)
I - Metacromion and scapula spine
A - Draws scapula medially, holds scapulae together

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7
Q

Spinotrapezius

A

O - Spines of thoracic vert. (T1-4 to T11-13)
I - Scapula spine and surrounding fascia
A - Draws scapula dorsally and posteriorly

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8
Q

Latissimus dorsi

A

O - Thoracic and lumber vert. (T4-5 to L6)
I - Medial shaft of humerus
A - Pulls humerus caudodorsally

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9
Q

Levator scapulae ventralis

A

O - Transverse process of atlas and occipital bone
I - Metacromion of scapulae
A - Draws scapula cranially

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10
Q

Acromiodeltoid

A

O - Acromion of scapula
I - Deltoid ridge of humerus, spinodeltoid’s outer surface and brachial anticus
A - Extends and rotates humerus

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11
Q

Spinodeltoid

A

O - Spine of scapula
I - Deltoid ridge of humerus
A - Extends and rotates humerus

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12
Q

Clavobrachialis (clavodeltoid)

A

O - Raphe of clavicle
I - Ulna beneath semilunar notch
A - Flexes forearm, turns head and extends humerus forward

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13
Q

Teres major

A

O - Inferior angle of scapula
I - Intertubercular sulcus of humerus
A - Adduction of humerus

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14
Q

Subscapularis

A

O - Subscapular fossa
I - Lesser tubercle of humerus
A - Medial rotation of humerus

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15
Q

Xiphihumeralis

A

O - Xiphoid process of sternum
I - Humerus
A - assists pectorals minor, adducts arm

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16
Q

Internal oblique

A

O - Iliac crest
I - Linea alba
A - Compresses abdomen, rotation of vertebral column

17
Q

Transversus abdominis

A

O - Iliac crest
I - Xiphoid process of sternum, lines alba
A - Compresses abdominal compartment

18
Q

Rectus abdominis

A

O - Crest of pubic bone
I - 5th to 7th ribs, xiphoid process of sternum
A - Flexion of lumbar spine

19
Q

Erector spinae

A

O - Spinous processes of T9-T12
I - Spinous processes of T1-T2
A - Extends vertebral column

20
Q

Scalenus (anterior, medias, posterior)

A

O - Cervical vertebrae
I - 1st and 2nd ribs
A - Elevation of 1st and 2nd ribs

21
Q

External intercostals

A

O - Lower border of ribs
I - Upper border of posterior-ward rib
A - Expands thorax during inhalation

22
Q

Rhomboideus Major (smaller); Rhomboideus Minor (larger, behind scapula)

A

O - Spines of cervical and thoracic vert. (T1-4)
I - Vert. border of scapula and inferior angle (major)
A - Draws vertebral border of scapula medially and dorsally

23
Q

Rhomboideus capitis

A

O - Lambdoidal ridge of skull
I - Vertebral border of scapula
A - Draws dorsal border of scapula cranially (forward)

24
Q

Supraspinatus

A

O - Supraspinous fossa of scapula
I - Greater tuberosity of humerus
A - Extends arm (draws humerus anteriorly)

25
Q

Infraspinatus

A

O - Infraspinous fossa of scapula
I - Lateral part of greater tuberosity of humerus
A - Flexes and rotates humerus laterally (outward)

26
Q

Splenius

A

O - Spinous process of cervical vertebrae
I - Mastoid process of temporal and occipital bones
A - Extend, rotate, and laterally flex head

27
Q

Sternomastoid

A

O - Manubrium of sternum and mid ventral line anterior to manubrium
I - Mastoid process and lambdoidal ridge
A - Turns head, depresses head and neck

28
Q

Sternohyoid

A

O - First costal cartilage
I - Body of hyoid
A - Draws hyoid posteriorly (caudally)

29
Q

Digastric

A

O - Jugular process of occipital, mastoid process of temporal
I - Ventral border of mandible
A - Depresses mandible

30
Q

Mylohyoid

A

O - Medial surface of mandible
I - Median raphe - from hyoid to mandibular symphysis
A - Raises floor of mouth, draws hyoid posteriorly

31
Q

Masseter

A

O - Malar and ventral border of zygomatic arch
I - Mandible - ventral border of ext. carotid fossa
A - Elevates mandible

32
Q

Temporalis

A

O - temporal fossa of parietal squamosal and frontal
I - Coronoid process of mandible
A - Elevates mandible

33
Q

Cleidomastoid

A

O - Mastoid process of temporal
I - Raphe of clavicle
A - Rotates head, depresses snout or draws clavicle forward

34
Q

Sternothyroid

A

O - Manubrium of sternum
I - Throid cartilage
A - Depresses thread cartilage

35
Q

Thyrohyoid

A

O - Thyroid cartilage
I - Hyoid bone
A - Elevates thyroid, and depresses hyoid bone.

Mammalian Anatomy (3 decks)

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