Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Large Animal Anatomy > Equine Musculoskeletal 2 > Flashcards

Equine Musculoskeletal 2 Flashcards

1
Q

What muscles make up thoracic sling?

A

serratus ventralis, trapezius, rhomboideus, pectoralis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the most important muscle in the thoracic sling?

A

serratus ventralis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Whart structure attaches to spinous processes of the vertebrae and serratus ventralis?

A

dorsal scapular ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What muscle is in the equine proximal thoracic limb that was not seen in the dog?

A

subclavius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where does subclavius m. run?

A

cranial to supraspinatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where does subclavius attach?

A

fascia of supraspinatus and sternum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does rupture of serratus ventralis cause?

A

falling of entire trunk, scapular cartilage becomes visible at the withers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Supraspinatus OIA

A

O: supraspinous fossa
I: greater and lesser tubercles of the humerus
A: extend and stabilize humeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Infraspinatus OIA

A

O: infraspinous fossa
I: superficial tendon- greater tubercle of humerus (infraspinous bursa)
-deep tendon- on caudal eminence of greater tubercle
A: stabilize humeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Deltoideus OIA

A

O: caudal border of scapula, aponeurosis which covers infraspinatus
I: deltoid tuberosity
A: flex humeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Subscapularis OIA

A

O: subscapular fossa
I: lesser tubercle of humerus
A: stabilize humeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Teres major OIA

A

O: caudal angle of scapula and adj. caudal border of scapula
I: teres major tuberosity of humerus
A: flex humeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Biceps brachii OIA

A

O: supraglenoid tubercle
I: radial tuberosuty of radius, extensor carpi radialis via lacertus fibrosus
A: flex cubital joint, extend humeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is located between the tendon of the origin of biceps brachii and the intertubercular grooves of the humerus?

A

intertubercular bursa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the tendinous insertion of biceps brachii on the extensor carpi radialis m.?

A

lacertus fibrous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Lacertus fibrosus is part of the ______________

A

stay apparatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What connects the tendon of the biceps brachii to the extensor carpi radialis?

A

lacertus fibrosus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Triceps brachii OIA

A

O: long head-caudal border of scapula
lateral head-deltoid tuberosity
medial head-medial aspect of the humerus
I: olecranon tuber
A: extend cubital joint, long head- flex humeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the difference between equine and canine triceps brachii m?

A

3 vs. 4 heads

20
Q

2 bursae of triceps brachii m.

A

subtendinous and subcutaneous

21
Q

Craniolateral muscles of the antebrachium are commonly called

A

extensors

22
Q

only muscle of the craniolateral antebrachium that flexes

A

ulnaris lateralis

23
Q

List the craniolateral muscles

A

extensor carpi radialis, common digital extensor, lateral digital extensor, ulnaris lateralis

24
Q

List the caudomedial muscles

A

Flexor carpi ulnaris, flexor carpi radialis, SDF, DDF

25
Q

Extensor carpi radialis OIA + innervation

A

O: lateral supracondylar crest of humerus
I: metacarpal tuberosity of metacarpal III
A: extend and fix carpus and flex elbow joint
Innervation: radial n.

26
Q

Common digital extensor OIA + innervation

A

O: lateral epicondyle of the humerus
I: Extensor process of distal phalanx and dorsal surface of P1+P2
A: extend carpus and digit, flex elbow
Innervation: radial n.

27
Q

Lateral digital extensor OIA + innervation

A

O: lateral tuberosity of the radius, lateral collateral ligament of elbow
I: dorsal aspect of proximal phalanx
A: extend carpus and digit
Innervation: radial n.

28
Q

Ulnaris lateralis OIA + innervation

A

O: Lateral epicondyle of humerus
I: short tendon- accessory carpal bone
long tendon- metacarpal bone IV
A: flex carpus
Innervation: radial n.

29
Q

Flexor carpi ulnaris OIA + innervation

A

O: humeral head- medial epicondyle of humerus, ulnar head- olecranon
I: accessory carpal bone
A: flex carpus, extend elbow joint
Innervation: ulnar n.

30
Q

Flexor carpi radialis OIA + innervation

A

O: medial epicondyle of humerus
I: metacarpal bone II
A: flex carpus, extend elbow
Innervation: median n.

31
Q

SDF OIA + innervation

A

O: medial epicondyle of humerus and radius (check ligament)
I: flexor surfaces of P1+P2
A: flex digit (except distal interphalangeal joint) and carpus, extend elbow joint
Innervation: ulnar n.

32
Q

What is the check ligament of SDF.

A

accessory ligament of SDF

33
Q

DDF OIA + innervation

A

O: humeral head- medial epicondyle of humerus, ulnar head- olecranon, radial head- radius
I: flexor surface of P3
A: flex digit, carpus, extend elbow
Innervation: median and ulnar nn.

34
Q

Where does the check ligament of the DDF attach?

A

palmar carpal ligament and metacarpal III

35
Q

Suspensory ligament is AKA the ….

A

interosseous m.

36
Q

4 areas of suspensory ligament

A

proximal, mid-body, branches, extensor branches

37
Q

2 parts of suspensory apparatus

A

suspensory ligament, distal sesamoidean ligaments

38
Q

Extensor branch of suspensory ligament fuses with

A

common digital extensor tendon

39
Q

suspensory ligament splits into 2 halves and inserts ….

A

on proximal sesamoid bones

40
Q

what is the stay apparatus

A

set of anatomical structures to allow rest standing up w/ little muscular effort

41
Q

joints tend to ___ under the weight of the horse, thus the need for the stay apparatus

A

flex

42
Q

biceps brachii tendon locks in places in the ….. and locks the ……. joint

A

intertubercular groove; humeral

43
Q

what muscle contracts to sustain cubital joint

A

triceps brachii (medial heads)

44
Q

What helps resist stretching of flexion of carpus

A

attachment of biceps tendon to extensor carpi radialis (lacertus fibrosus)

45
Q

What stabilizes the distal joints

A

check ligaments

46
Q

7 components of stay apparatus

A

biceps brachii tendon, triceps brachii, extensor carpi radialis & lacertus fibrosus, SDF & DDF mm., check ligaments, SDF & DDF tendons, distal sesamoid ligaments

Large Animal Anatomy (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions