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CVM: 720 Anatomy II > Lecture 1: Osteology and Arthrology of Thoracic limb > Flashcards

Lecture 1: Osteology and Arthrology of Thoracic limb Flashcards

1
Q

identify the common names and what anatomical structures are involved

A

1.shoulder (scapula)
2. knee (carpus)
3. cannon bone and splint bones ( one of the bones that makes up the metacarpal bone)

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2
Q

identify the common names and what anatomical structures are involved

A
  1. forearm
  2. fetlock (metacarpophalangeal joint)
  3. pastern (prox. phalanx)

(knee down makes up the manus of the horse)

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3
Q
A
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4
Q

what is a key difference between a horse scapula and dog

A

horses dont have an acromion

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5
Q

what is a key landmark of the horse scapula you can palpate

A

scapular tuber

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6
Q

what is important about the scapular cartilage

A

key difference from a dog
very big, most dorsal part of the scapula

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7
Q
A
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8
Q

what is significant about the Facies Serrata in a horse vs. a dog

A

horse= 2
dog= 1

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9
Q

what type of bone is the scapula

A

flat bone

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10
Q
A
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11
Q
A
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12
Q

how many intertubercular grooves are on a horse humerus

A

2; due to the intermediate tubercle

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13
Q

what kind of bone is the equine humerus

A

long bone (2 epiphysis and 1 diaphysis)

kinda sigmoid shape

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14
Q

what is a key significance that is different in a equine humerus compared to a canine

A

there is no radial foramen, it is a fossa

the deltoid tuberosity is also a lot larger

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15
Q
A
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16
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17
Q
A
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18
Q

what is signifiant about the equine ulna and radius

A

they are fused together

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19
Q

what is the only bone to reach the carpus (radius, ulna, or both)

A

radius

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20
Q

what is the name of the space located between the radius and ulna

A

Interosseous Space

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21
Q
A
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22
Q

what is the number of the only digit present in horses

A

digit III

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23
Q

the carpal bones consist of ___ rows of bones

A

2; proximal and distal

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24
Q
A
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25
Q

where are carpal bones 1 and 5

A

1= medial 5= lateral

1 and 5 are not important but you may see on xray

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26
Q

identify the parts of the carpus

A
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27
Q
A
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28
Q

identify the carpal bones from the palmar view

A
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29
Q

what carpal bones make up the proximal row? distal row?

A

proximal
Acc.: Accessory Carpal Bone
R: Radial Carpal Bone
Int. Intermediate Carp
U: Ulnar Carpal Bone

distal
II: Second Carpal Bone
III: Third Carpal Bone
IV: Carpal Bone IV

30
Q

what are the parts of a metacarpal bone

A

base
body
head (most distal)

serve as landmarks

31
Q
A
32
Q

what make up the splint bones

A

Metacarpal Bones
- II: Metacarpal Bone II
- III: Metacarpal Bone III
- IV: Metacarpal Bone IV

can palpate

33
Q
A
34
Q

Thoracic Digit

  • Note how the Distal Phalanx has a broad, _____ apex
  • Digit ___is the singular, weight-bearing digit
A

round; 3

35
Q

what kind of shape is the extensor process

A

triangle; there is a tendon there

36
Q
A
37
Q

why is the Proximal Phalangeal Trigone important

A

there are a lot of ligaments there!!

38
Q

what is another name for the distal sesamoid bone of the thoracic digit of a horse

A

navicular bone

39
Q

between the lateral and medial solar foramen there is a _______

A

canal

40
Q

what is the name of the joint that makes up the shoulder

A

Humeral joint

41
Q

what kind of joint is the humeral joint

A

Simple, spheroid– ACTS LIKE HINGE

42
Q

What are the key movements the humeral joint does

A

Flexion and extension movement (technically should be able to do all ranges of movement)

43
Q

what ligaments are in the humeral joint?

A

Glenohumeral ligaments (capsular)
**acts like collateral ligament

44
Q

what important tendon and bursa is involved in the humeral joint

A

Thick biceps brachii origin tendon and bursa.

(important because we can ultrasound)

45
Q
A

biceps brachii origin tendon and bursa

46
Q

what does the yellow represent

A

fibrous capsule

47
Q

what does the blue represent

A

synovial capsule (45 degree of movement)

48
Q

what does red represent

A

synovial capsule (90 degree of movement)

49
Q

identify what is circled

A

intercarpal joint

50
Q
A
51
Q

Carpal joints: Antebrachiocarpia (radiocarpal)

what kind of joint is it?

A

hinge

52
Q

carpal joint: Intercarpeae (intercarpal)
what kind of joint is it?

A

plane

53
Q

carpal joint: Mediocarpea (midcarpal)

what kind of joint is it?

A

hinge

54
Q

carpal joint: Carpometacarpeae (Carpometacarpal)

what kind of joint is it?

A

plane

55
Q

Radiocarpal joint just radius/___________

A

proximal carpal row

56
Q
  • The sinovial capsule of the radiocarpal joint is ___________; the inter and mediocarpea is shared.
A

independent

57
Q

T/F the carpal joint includes lateral colateral and medial colateral ligaments

A

true

57
Q

redo

A
58
Q
A
  1. radius
  2. middle carpal (?)
  3. either digit 1 or 5
59
Q

label top to bottom

A

proximal row of carpal bones
distal row of carpal bones

60
Q

Digit joints: Metacarpophalangeal joint

common name:
type of joint:

A

common name: fetlock
type of joint: hinge’ great range of movement

61
Q

Digit joints: Proximal Interphalangeal joint:

type of joint:

A

type of joint: saddle

62
Q

Digit joints: Distal Interphalangeal joint

common name:
type of joint:

A

common name: coffin
type of joint: saddle

63
Q

T/F digit joint: Colateral ligaments in everyone.

A

true

64
Q

Digit joints has ____ and ____ recesses

A

dorsal and palmar

65
Q

Compound hinge joint. Small dorsal recess and large palmar recess

A

Metacarpophalangeal joint [fetlock]

66
Q

Palmar recess boundaries

A

Proximal: ???
Dorsal: Metacarpal bone III
Palmar: Interosseous ligament
Distal: Proximal sesamoid bones

(from dr.p notes)

67
Q
A

palmar recess

68
Q
A

fetlock

69
Q
A
  1. metacarpal 3
  2. proximal sesamoid
  3. fracture of the proximal sesamoid

CVM: 720 Anatomy II (5 decks)

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