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VETA 101 > Thoracic mm and their OIA > Flashcards

Thoracic mm and their OIA Flashcards

1
Q

Descending pectoral

A

O: Manubrium

I: Crest of greater tubercle of humerus

A: ADDUCT limb and prevent abduction of limb

Innervation: Cranial pectoral nerve

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2
Q

Transverse pectoral

A

O: 1st, 2nd, 3rd sternebrae

I: Crest of greater tubercle of humerus

A: ADDUCT limb and prevent abduction of limb

Innervation: Cranial pectoral nerve

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3
Q

Deep pectoral

A

O: Ventral part of sternum and xiphoid cartilage

I: tendon = lesser tubercle of humerus
aponeurosis = crest of greater tubercle

A: PULL trunk cranially, EXTEND shoulder joint when supporting weight. FLEX shoulder joint when not supporting weight. ADDUCT limb

Innervation: Caudal pectoral nerve

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4
Q

Brachiocephalicus (Cleidocephalicus pars cervicalis)

A

O: clavicular intersection/clavicle

I: cranial half of mid-dorsal fibrous raphe, nuchal crest of occipital bone

A: ADVANCE the limb, EXTEND the shoulder joint, DRAW the neck and head to the side

Innervation: Accessory n.
Ventral branches of cervical spinal nerves

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5
Q

Brachiocephalicus (Cleidocephalicus pars mastoideus)

A

O: clavicular intersection/clavicle

I: mastoid part of temporal bone

A: ADVANCE the limb, EXTEND the shoulder joint, DRAW the neck and head to the side

N: Accessory n.
Ventral branches of cervical spinal nerves

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6
Q

Brachiocephalicus (Cleidobrachialis)

A

O: Clavicular intersection/clavicle

I: distal end of cranial border of humerus

A: ADVANCE the limb, EXTEND the shoulder joint, DRAW the neck and head to the side

N: Accessory n.
Ventral branches of cervical spinal nerves

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7
Q

Sternocephalicus pars mastoideus

A

O: manubrium

I: mastoid part of temporal bone

A: DRAW head and neck to side

N: Accessory n.

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8
Q

Sternocephalicus pars occipitalis

A

O: manubrium

I: nuchal crest of occipital bone

A: DRAW head and neck to side

N: Accessory n.

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9
Q

Sternohyoideus

A

O: Manubrium and 1st costal cartilage

I: basihyoid bone

A: PULL tongue and larynx caudally

N: Ventral branch of cervical spinal n.

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10
Q

Sternothyroideus

A

O: 1st costal cartilage

I: Caudolateral surface of thyroid cartilage

A: DRAW tongue and larynx caudally

N: Ventral branch of cervical spinal n.

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11
Q

Omotransversarius (has the Superficial cervical lymph node)

A

O: distal end of scapular spine

I: Transverse wing of C1 (atlas)

A: ADVANCE or FLEX neck laterally

N: Accessory n.

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12
Q

Trapezius cervicis and thoracis

A

O: median raphe of neck and supraspinous lig. from C3 to T9

I: spine of scapula

A: ABDUCT forelimb

N: Accessory n.

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13
Q

Rhomboideus capitis

A

O: nuchal crest of occipital bone

I: dorsal border and adjacent surfaces of scapula

A: ELEVATE forelimb DRAW scapula to trunk

N: Ventral branch of cervical and thoracic spinal n

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14
Q

Rhomboideus cervicis

A

O: median fibrous raphe of neck

I: dorsal border and adjacent surfaces of scapula

A: ELEVATE forelimb DRAW scapula to trunk

N: Ventral branch of cervical and thoracic spinal n.

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15
Q

Rhomboideus thoracis

A

O: spinous process of T1-T7

I: dorsal border and adjacent surfaces of scapula

A: ELEVATE forelimb DRAW scapula to trunk

N: Ventral branch of cervical and thoracic spinal n.

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16
Q

Latissimus dorsi

A

O: Thoracolumbar fascia from spinous process of lumbar and last 7 or 8 thoracic vertebrae
Attachment to last 2 or 3 ribs

I: Teres major tuberosity of humerus and teres major tendon

A: DRAW free limb caudally, FLEX shoulder joint

N: thoracodorsal n.

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17
Q

Serratus ventralis cervicis and thoracis

A

O: transverse process of last 5 cervical vertebrae and 1st 7 or 8 ribs ventral to their middle

I: dorsomedial third of scapula or Serrated face

A: SUPPORT trunk and DEPRESS scapula

N: Ventral branch of cervical spinal n. and long thoracic n.

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18
Q

Deltoideus (scapular and acromial divisions)

A

O: Spine and acromial process of scapula

I: Deltoid tuberosity

A: FLEX shoulder

N: Axillary n.

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19
Q

Infraspinatus

A

O: Infraspinous fossa

I: Greater tubercle of humerus

A: ABDUCT shoulder, ROTATE shoulder laterally; medially if wt bearing, LATERAL STABILITY

N: Suprascapular n.

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20
Q

Supraspinatus

A

O: Supraspinous fossa

I: Greater tubercle of humerus

A: EXTEND and STABILIZE shoulder jt

N: Suprascapular n.

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21
Q

Teres minor

A

O: Infraglenoid tubercle

I: Teres minor tuberosity

A: FLEX shoulder, ROTATE shoulder laterally; medially when wt. bearing

N: Axillary n.

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22
Q

Subscapularis

A

O: Subscapular fossa

I: Lesser tubercle of humerus

A: ADDUCT, EXTEND and medially STABILIZE shoulder jt, ROTATE shoulder medially; laterally when wt. bearing

N: Subscapular n.

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23
Q

Teres major

A

O: Caudal border of scapula

I: Teres major tuberosity

A: FLEX shoulder jt., ROTATE shoulder medially; laterally when wt. bearing

N: Axillary n.

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24
Q

Coracobrachialis

A

O: Coracoid process of scapula

I: Cress of lesser tubercle proximal to teres major tuberosity

A: ADDUCT, EXTEND, STABILIZ shoulder jt.

N: Musculocutaneous n.

25
Q

Tensor fasciae antebrachii

A

O: Fascia from lat. dorsi

I: olecranon

A: EXTEND elbow

N: Radial n.

26
Q

Triceps brachii long head

A

O: Cd. border of scapula

I: olecranon tuber

A: EXTEND elbow, FLEX shoulder

N: Radial n.

27
Q

Triceps brachii lateral head

A

O: tricipital line of humerus

I: Olecranon tuber

A: EXTEND elbow

N: Radial n.

28
Q

Triceps brachii accessory head

A

O: neck of humerus

I: Olecranon tuber

A: EXTEND elbow

N: Radial n.

29
Q

Triceps brachii medial head

A

O: Crest of lesser tubercle of humerus

I: Olecranon

A: Extend elbow

N: Radial n.

30
Q

Anconeus

A

O: Lateral supracondylar crest and lateral and medial epicondyles of humerus

I: Olecranon

A: EXTEND elbow

N: Radial n.

31
Q

Biceps brachii

A

O: Supraglenoid tubercle

I: Radial and ulnar tuberosities

A: FLEX elbow, EXTEND shoulder

N: Musculocutaneous n.

32
Q

Brachialis

A

O: Prox 3rd lateral surface of humerus

I: Radial and ulnar tuberosities

A: FLEX elbow

N: Musculocutaneous n.

33
Q

Brachioradialis

A

O: lateral supracondylar crest

I: distal 4th or radius

A: assist in FLEXING the elbow

N: Radial n.

34
Q

Extensor carpi radialis

A

O: lateral supracondylar crest

I: dorsal base of metacarpal II and III

A: EXTEND carpus

N: Radial n.

35
Q

Common digital extensor

A

O: lateral epicondyle of humerus

I: extensor process of distal phalanges on digits 2, 3, 4, 5

A: EXTEND joints of the 4 principal digits and carpus

N: Radial n.

36
Q

Lateral digital extensor

A

O: Lateral epicondyle of humerus

I: Proximal end of all phalanges of digits 3, 4, 5
Main insertion: extensor process of distal phalanges of digits 3, 4, 5

A: EXTEND joints of digits 3, 4, 5, and carpus

N: Radial n.

37
Q

Ulnaris lateralis

A

O: lateral epicondyle of humerus

I: Lateral aspect of proximal end of 5th metacarpal and accessory carpal bone

A: ABDUCT carpal jt. and support carpus

N: Radial n.

38
Q

Supinator

A

O: lateral epicondyle of humerus

I: cranial surface of the proximal 4th of radius

A: ROTATE forearm laterally or SUPINE the forearm

N: Radial n.

39
Q

Abductor digiti I longus

A

O: lateral border and cranial surface of ulna, interosseus membrane

I: Proximal end of 1st metacarpal (digiti I)

A: ABDUCT 1st digit or extend carpal jt.

N: Radial n.

40
Q

Pronator teres

A

O: Medial epicondyle of humerus

I: Medial border of radius between proximal and middle thirds

A: ROTATE forearm medially (pronate), FLEX elbow

N: Median n.

41
Q

Flexor carpi radialis

A

O: medial epicondyle of humerus

I: palmar side of base of 2nd and 3rd metacarpal, the tendon will pass through the carpal canal covered the flexor retinaculum

A: FLEX carpus

N: Median n.

42
Q

Flexor carpi ulnaris humeral and ulnar head

A

O: Humeral = medial epicondyle of humerus
Ulnar = olecranon

I: Accessory carpal bone

A: FLEX carpus

N: Ulnar n.

43
Q

Superficial digital flexor

A

O: Medial epicondyle of humerus

I: Palmar surface of base of middle phalanges digits 2, 3, 4, 5 (covered by flexor retinaculum as it pass through the carpal tunnel)

A: FLEX carpus, MC joint, proximal interphalangeal joints of digits 2, 3, 4, 5

N: Median n.

44
Q

Deep digital flexor

A

O: humeral head = medial epicondyle of humerus
ulnar head = olecranon
radial head = mid 3rd of the medial border of radius

I: Flexor tubercle on palmar surface of distal phalanges of all digits

A: FLEX all jts of all digits

N: Median n. and Ulnar n.

45
Q

Pronator quadratus

A

O: apposed surfaces of radius and ulna

I: apposed surface of radius and ulna

A: Pronate the paw

N: Median n.

46
Q

Axillary n. innervations

A

Deltoideus
Teres minor
Teres major

47
Q

Subscapular n. innervation

A

Subscapularis

48
Q

Suprascapular n. innervation

A

Infraspinatus
Supraspinatus

49
Q

Musculocutaneous n. innervations

A

Coracobrachialis
Biceps brachii
Brachialis

50
Q

Median n. innervations

A

FCR
Pronator teres
Pronator quadratus
SDF
DDF

51
Q

Ulnar n. innervations

52
Q

Radial n. innervations

A

Tensor fasciae antebrachii
Triceps brachii
Anconeus
ECR
CDE
LDE
Ulnaris lateralis
Abductor digiti 1 longus
Supinator

53
Q

Accessory n. innervations

A

Brachiocephalics
Omotransversarius
Trapezius

54
Q

Cranial pectoral n. innervation

A

Superficial pectoral

55
Q

Caudal pectoral n. innervation

A

Deep pectoral

56
Q

Ventral branch of cervical spinal n. innervations

A

Brachiocephalicus and Rhomboideus

57
Q

Ventral branch of thoracic spinal n. innervations

A

Rhomboideus

58
Q

Thoracodorsal n. innervations

A

Latissimus dorsi

VETA 101 (13 decks)

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