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VET260 > Canine Forelimb > Flashcards

Canine Forelimb Flashcards

1
Q

How many heads does the deep digital flexor have?

A

There are 3 heads. They are named the humeral, radial and ulnar heads.

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2
Q

Which extrinsic forelimb muscles are innervated by the accessory nerve?

A

Trapezius, omotransversarius, brachiocephalicus

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3
Q

Besides the accessory nerve, what else is the brachiocephalicus innervated by?

A

axillary nerve caudally

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4
Q

What is the origin and insertion of the trapezius muscle?

A

O: 2nd cervical vertebrae to 9th thoracic vertebrae
I: scapula spine

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5
Q

What is the origin and insertion of the omotransversarius?

A

O: atlas
I: acromion of scapula

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6
Q

What is the origin and insertion of the brachiocephalicus?

A

O: cervical vertebrae, mastoid process (depending)
I: humerus

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7
Q

What is the origin and insertion of the Latissimus dorsi?

A

O: thoracolumbar fascia
I: teres tuberosity (humerus)

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8
Q

What innervated the latissimus dorsi?

A

thoraco dorsal nerve from the brachial plexus

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9
Q

Where does the pectoralis descendens insert and originate?

A

O: sternum
I: humeral crest (distal to deltoid tuberosity)

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10
Q

Innervation of the superficial and deep pectoral muscles?

A

cranial pectoral nerves (brachial plexus)

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11
Q

Origin and Insertion of the pectoralis transversarius?

A

O: sternum
I: humerus (in some species continues distally to insert below elbow joint IE larger species)

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12
Q

Origin and insertion of the sternocephalicus?

A

O: manubrium
I: angle of the mandible and/or mastoid process of skull

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13
Q

Innervation of the sternocephalicus?

A

axillary nerve

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14
Q

Origin and insertion of the sternohyoideus

A

O: manubrium
I: basihyoid

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15
Q

Origin and insertion of the sternothyroideus?

A

O: manubrium
I: lateral aspect of thyroid cartilage

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16
Q

Origin and insertion of the omohyoideus?

A

O: subscapula fascia
I: lateral margin of sternohyoideus

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17
Q

What tendons help to stabilize the shoulder joint?

A

infraspinatus, supraspinatus, biceps brachii, subscapularis, coracobrachialis

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18
Q

what are the ligaments of the elbow joint?

A

lateral collateral and medial collateral ligaments, oblique ligament and annular ligament

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19
Q

what joints does the carpal joint consist of?

A

antebrachiocarpal
midcarpal
carpometacarpal

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20
Q

What degree of movement is permitted at the carpus?

A

antebrachiocarpal: 90 degrees
mid carpal: 45 degrees
carpometacarpal: virtually nothing

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21
Q

What ligaments are present at the carpal joint?

A

medial and lateral collateral ligaments
deep ligament (buries evenness)
transverse ligament (carpal canal)
distal ligaments of accessory carpal (prevent over extension)

22
Q

What is the origin, insertion and innervation of the supraspinatus?

A

O: suprascapularis fossa
I: greater tubercle of humerus
Inn: suprascapular nerve (brachial plexus)

23
Q

Origin, insertion and innervation of infraspinatus?

A

O: infraspinous fossa
I: lateral face of greater tubercle
Inn: suprascapular nerve (brachial plexus)

24
Q

Origin, insertion and innervation of the subscapularis?

A

O: subscapular fossa
I: lesser tubercle of humerus
Inn: subscapular nerve (brachial plexus)

25
Q

Coracobrachialis origin, insertion and innervation?

A

O: supraglenoid tubercle
I: proximal humerus
Inn: musculocutaneous nerve (brachial plexus)

26
Q

Origin, insertion and innervation of the deltoideus?

A

O: scapular spine (spinous head), acromion (Acromion head)
I: deltoid tuberosity
Inn: axillary nerve (brachial plexus)

27
Q

Origin, insertion and innervation of teres major?

A

O:caudal border of scapula
I: teres tuberosity
Inn: thoracodorsal and subscapular nerve

28
Q

Origin, insertion and innervation of teres minor?

A

O: lateral border scapula
I: Greater tubercle humerus
Inn: axillary (brachial plexus)

29
Q

Origin, insertion and innervation of the triceps brachii?

A

O: caudal border scapula (long head), humeral shaft (lateral, medial and accessory)
I: olecranon process
Inn: radial nerve

30
Q

Origin, insertion and innervation of the tensor fascia antebrachii?

A

O: lateral aspect latissimus dorsi
I: olecranon
Inn: radial nerve

31
Q

Anconeus origin, insertion and innervation?

A

O: distal humerus
I: lateral face olecranon
Inn: radial nerve

32
Q

Biceps brachii insertion, origin and innervation?

A

O: supraglenoid tubercle
I: proximal radius (medial tuberosity) and ulna
Inn: musculocutaneous

33
Q

Origin, insertion and innervation of the brachialis?

A

O: proximocaudal border humerus, winding laterally in spiral groove of humerus
I: next to biceps brachii
Inn: musculocutaneous

34
Q

Origin, insertion and innervation of the brachioradialis (long supinator)?

A

O: lateral epicondyle humerus
I: distal medial surface within superficial fascia
Inn: radial nerve

35
Q

Origin, insertion and innervation of short supinator?

A

O: lateral humeral epicondyle
I: medial border radius
Inn: radial nerve

36
Q

Origin, insertion and innervation for the pronator teres?

A

O: medial epicondyle humerus
Insertion: converges with insertion of supinator on radius
Inn: median nerve

37
Q

Origin, insertion and innervation of pronator quadratus?

A

O + I: shaft of radius and ulna bridging interrosseus space

Inn: median nerve

38
Q

What is the innervation of the extensors of the carpus and digits?

A

Radial nerve

39
Q

What is the innervation of the flexors of the carpus and digits?

A

median and/or ulna nerve

40
Q

Origin and insertion of the ECR?

A

O: lateral epicondyle (humerus)
I: metacarpal 2, 3

41
Q

Origin and insertion of the ECU (ulnaris lateralis)?

A

O: lateral epicondyle humerus
I: metacarpal 5

42
Q

Origin and insertion of the common digital extensor?

A

O:lateral epicondyle humerus
I: extensor tubercle of P3 (digits 2 to 5)

43
Q

Origin and insertion of the lateral digital extensor?

A

O: lateral epicondyle
I: proximal P2 and P3 (3 to 5)

44
Q

Origin and insertion of the abductor pollicis longus?

A

O: radial and ulnar shafts
I: digit 1 (thumb)

45
Q

Origin, innervation and Insertion of the FCR?

A

O: medial humeral epicondyle
I: metacarpal 2 to 3
Inn: median nerve

46
Q

Origin, Insertion and innervation of the flexor carpi ulnaris?

A

O: ulna head (olecranon), humeral head (medial epicondyle)
I: accessory carpal
Inn: ulna nerve

47
Q

Origin, insertion and innervation of SDF?

A

O: medial humeral epicondyle
I: middle phalanx (digits 2 to 5)
Inn: median nerve

48
Q

Origin, insertion and innervation of the DDF?

A

O: medial humeral epicondyle (humeral head), ulna (ulna head), radius (radial head).
I: distal phalanx (2 to 5)
Inn: median and ulna

49
Q

Origin, insertion and innervation of the brachioradialis (supinator)?

A

O: lateral humeral epicondyle
I: medial border radius
Inn: radial nerve

50
Q

Origin, insertion and innervation of the pronator teres muscle?

A

O: medial epicondyle humerus
I: dorsal radius (medial)
Inn: median nerve

VET260 (4 decks)

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