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Anatomy 2 > OINAs (Exam 1) > Flashcards

OINAs (Exam 1) Flashcards

1
Q

Ventral serratus

A

*O: Transverse processes of C4-7
* I: Scapular cartilage
* N: Ventral branch of local cervical
* A: Suspends the trunk, raises the neck when the forelimb is fixed, & may support inspiration

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2
Q

Subclavius

A

*O: Sternum & costal cartilages
* I: Blends w/ supraspinatus & shoulder fascia
* N: Cranial pectoral n.
* A: Suspends the trunk & stabilizes the shoulder joint

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3
Q

Omotransversarius

A

*O: Shoulder fascia
* I: Transverse processes of C2-4
* N: Medioventral branch of local cervical nn
* A: Protract the limb & bends the neck laterally

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4
Q

Superficial pectoral

A
  • O: Costal cartilages & Manubrium sterni
  • I: Forearm fascia & deltoid tuberosity
  • N: Cranial & caudal pectoral n
  • A: Connect the forelimb w/ the trunk, adduct, & pro & retract the forelimb
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5
Q

Deep pectoral

A
  • O: Sternum, distally on ribs, & tunica flava abdominis
  • I: Major/minor tubercles of the humerus & tendon origin of coracobracialis
  • N: Cranial & caudal pectoral
  • A: Suspends the trunk btw/ the forelimbs, retracts limb, & stabilizes the shoulder joint
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6
Q

Trapezius

A
  • O: Nuchal & supraspinous ligaments from C2 to T10
  • I: Dorsal third of scapular spine (thoracic part) & entire scapular spine (cervical part)
  • N: Dorsal branch of accessory n
  • A: Elevates the shoulder, draws scapula craniodorsally & caudodorsally
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7
Q

Rhomboideus

A
  • O: Nuchal & dorsoscapular ligaments from C2 to T8
  • I: Scapular cartilage
  • N:Medioventral br of the local thoracic & cervical n
  • A: Draws scapula dorsally & cranially & elevates the neck
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8
Q

Latissimus dorsi

A
  • O: Supraspinous ligament from T3 caudally via thoracolumbar fascia
  • I: Teres major tuberosity of humerus together w/ teres major muscle
  • N: Thoracodorsal n
  • A: Retracts the limbs, flexes the shoulder joint, & when the limb is fixed it draws the trunk cranially
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9
Q

Supraspinatus

A
  • O: Supraspinous fossa & scapular cartilage & spine
  • I: Greater & lesser tubercles of humerus
  • N: Suprascapular
  • A: Extends & Stabilizes the shoulder joint
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10
Q

Infraspinatus

A
  • O: Infraspinous fossa & scapular cartilage & spine
  • I: Fleshy on the greater tubercle of the humerus, strong tendon to the lat & surface of the greater tubercle distal to lat insertion
  • N: Suprascapular
  • A: Extends & flexes the shoulder joint, functions as a contractile ligament
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11
Q

Teres minor

A
  • O: caudal border of the scapula
  • I: Proximal to deltoid tuberosity
  • N: Axillary
  • A: Flexes the shoulder joint
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12
Q

Deltoideus

A
  • O: Caudal border of the scapula & clavicular inscription
  • I: Crest of the humerus & deltoid tuberosity
  • N: Axillary
  • A: Advances limb & Flexes shoulder joint
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13
Q

Subscapularis

A
  • O: Subscapular fossa of scapula
  • I: Lesser tuberosity
  • N: Subscapular & axillary
  • A: Predominantly an extensor of the shoulder joint
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14
Q

Teres major

A
  • O: Caudal border of the scapula
  • I: Teres tuberosity
  • N: Axillary
  • A: Flexes shoulder joint
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15
Q

Biceps brachii

A
  • O: Supraglenoid tubercle
  • I: Radial tuberosity, medial collateral lig, vialacertus on the tendon of the extensor carpi radi
  • N: Musculocutaneous
  • A: Extensor of the shoulder joint, flexor of the elbow joint, stabilizer of carpus (in stay apparatus)
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16
Q

Brachialis

A
  • O: Proximocaudal surface of humerus
  • I: Proximomedial surface of radius
  • N: Musculocutaneous & radial
  • A: Flexor of elbow joint
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17
Q

Triceps brachii

A
  • O: Caudal border of the scapula (long head), deltoid tuberosity (Lateral head), medial surface of humerus (medial), & border of olecranon fossa (anconeus)
  • I: Lateral surface of olecranon
  • N: Radial
  • A: Extends elbow joint & raises joint capsule to prevent its being pinched during extension of joint
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18
Q

Extensor carpi radialis

A
  • O: Lateral supracondylar crest & radial fossa
  • I: Proximodorsal on Mc3
  • N: Radial
  • A: Extends carpus
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19
Q

Common digital extensor

A
  • O: Lateral epicondyle f the humerus
  • I: Proximal phalanx & extensor process of distal phalanx
  • N: Radial n
  • A: Carpal & digital extensor
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20
Q

Lateral digital extensor

A
  • O: Proximal end of radius & ulna
  • I: Proximodorsal on the proximal phalanx
  • N: Radial
  • A: extensor of fetlock joint (not digit)
21
Q

Extensor carpi ulnaris (ulnaris lateralis)

A
  • O: Lateral epicondyle of the humerus
  • I: Short tendon on the accessory carpal bone & proximal on Mc4
  • N: Radial
  • A: Extend carpus
22
Q

Flexor carpi ulnaris

A
  • O: Medial epicondyle of humerus & medial on olecranon
  • I: accessory carpal bone
  • N: Ulnar
  • A: Flexes carpus
23
Q

Superficial digital extensor

A
  • O: Medial epicondyle of humerus
  • I: Distal collateral tubercles of the proximal phalanx & proximal collateral tubercles of the middle phalanx
  • N: Ulnar
  • A: Flexes digit & carpus & extends the elbow joint
24
Q

Deep digital flexor

A
  • O: Medial epicondyle of humerus, olecranon, & middle caudal surface of radius
  • I: Flexor surface of distal phalanx
  • N: Median & ulnar
  • A: Flexes digit/carpus & extends the elbow joint
25
Q

Flexor carpi radialis

A
  • O: Medial epicondyle of humerus
  • I: Proximal end of MC 2
  • N: Median
  • A: Flexes the carpus
26
Q

Interosseus (medius)

A
  • O: Proximocaudal on MC & palmar carpal lig
  • I: Proximal sesamoid bones
  • N: Deep branch of ulnar
  • A: Counteracts overextension of the fetlock joint
27
Q

Superficial gluteal

A
28
Q

Middle gluteal

A
29
Q

Deep gluteal

A
30
Q

Quadriceps femoris

A
31
Q

Biceps femoris

A
32
Q

Semitendinosus

A
33
Q

Semimembranosus

A
34
Q

Gracilis

A
35
Q

Adductor

A
36
Q

Sartorious

A
37
Q

Pectineus

A
38
Q

Long digital extensor

A
39
Q

Peroneus (fibularis) tertius

A
40
Q

Cranial tibial

A
41
Q

Lateral digital extensor

A
42
Q

gastrocnemius

A
43
Q

Soleus

A
44
Q

Deep digital flexor

A
45
Q

Superficial digital flexor

A
46
Q

Long digital extensor

A
47
Q

Lateral digital extensor

A
48
Q

Interosseous

A

Anatomy 2 (14 decks)

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