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Anatomy Y2 term 1 > Movement muscles > Flashcards

Movement muscles Flashcards

1
Q

What are the attachments of trapezius?

A

Upper: external occipital protuberance, ligamentum nuchae, superior nuchal line and the spinous process of C7 to the lateral 1/3 of the clavicle and the acromion process
Middle: spinous processes of T1 to T5 to the lateral 2/3 of the spine of the scapula
Lower: spinous processes of T6 o T12 to the medial 1/3 of the spine of the scapula

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2
Q

What is the innervation of trapezius?

A

Cranial nerve 11 - Accessory

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3
Q

What are the attachments of Latissimus Dorsi?

A

ribs 10 to 12, spinous processes of T7 to L5, the sacrum and the iliac crest
–> floor of the intertubercular sulcus on the humerus

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4
Q

What is the innervation of latissimus dorsi?

A

thoracodorsal nerve

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5
Q

What are the attachments of Levator scapulae?

A

transverse processes of C1 to C4

–> medial border of the scapula above the level of the spine

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6
Q

What is the innervation of Levator scapulae?

A

branches of the dorsal scapular nerve and branches of the anterior rami of C3 and C4

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7
Q

What are the attachments for Rhomboid minor?

A

inferior part of the ligamentum nuchae and the spinous processes of C7 to T1
–> the medial border of the scapula at the level of the spine

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8
Q

What is the innervation for Rhomboid minor?

A

dorsal scapular nerve

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9
Q

What are the attachments for rhomboid major?

A

spinous process of T2 to T5

–> medial border of the scapula below the level of the spine

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10
Q

What is the innervation for rhomboid major?

A

dorsal scapular nerve

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11
Q

What are the attachments for deltoid?

A

upper surface of the lateral 1/3 of the clavicle, acromion process, posterior border of the spine of the scapula
–> deltoid tuberosity on the humerus

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12
Q

What is the innervation for deltoid?

A

axillary nerve

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13
Q

What are the attachments for supraspinatus?

A

supraspinatous fossa

–> superior facet on greater tubercle

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14
Q

What is the innervation for supraspinatus?

A

suprascapular nerve

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15
Q

What are the attachments for infraspinatus?

A

infraspinous fossa

–> middle facet on the greater tubercle

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16
Q

What is the innervation for infraspinatus?

A

suprascapular nerve

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17
Q

What are the attachments for teres minor?

A

upper 2/3 of the lateral border of the scapua

–> inferior facet on the greater tubercle of the humerus

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18
Q

What is the innervation for teres minor?

A

axillary nerve

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19
Q

What are the attachments for teres major?

A

lower 1/3 of the scapula and inferior angle

–> medial lip of the intertubercular sulcus

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20
Q

What is the innervation for teres major?

A

lower subscapular nerve

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21
Q

What are the attachments for subscapularis?

A

subscapular fossa

–> lesser tubercle

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22
Q

What is the innervation for subscapularis?

A

upper and lower subscapular nerves

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23
Q

What are the attachments for pectoralis major?

A

medial 1/2 of clavicle, anterior surface of the sternum, first seven costal cartilages, sternal end of 6th rin, aponeurosis of external oblique
–> lateral lip of the intertubercular sulcus

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24
Q

What is the innervation for pectoralis major?

A

medial and lateral pectoral nerve

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25
Q

What are the attachments for pectoralis minor?

A

anterior surface of ribs 3 to 5 and the deep fascia overlying the intercostal muscles
–> coracoid process of scapula

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26
Q

What is the innervation for pectoralis minor?

A

medial pectoral nerve

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27
Q

What are the attachments for serratus anterior?

A

lateral surface of upper 8-9 rubs and deep fascia

–> costal surface of the medial border of the scapula

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28
Q

What is the innervation for serratus anterior?

A

long thoracic nerve

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29
Q

What are the attachments for subclavius?

A

first rib

–> groove on inferior surface of clavicle

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30
Q

What is the innervation for subclavius?

A

Nerve to subclavius

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31
Q

What are the attachments for biceps brachii?

A

short head: apex of coracoid process
long head: supraglenoid tubercle of scapula
–> radial tuberosity

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32
Q

What is the innervation for biceps brachii?

A

musculocutaneous nerve C5-C7

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33
Q

What are the attachments for brachialis?

A

Anterior distal 1/2 of humerus

–> tuberosity of the ulna

34
Q

What is the innervation for brachilais?

A

Musculocuaneous nerve C5-C7

35
Q

What are the attachments for coracobrachialis?

A

Apex of coracoid process

–> linear toughening on mid-medial surface of humerus

36
Q

What is the innervation for coracobrachialis?

A

musculocuaneous nerve C5-C7

37
Q

What are the attachments for triceps brachii?

A

Long head: infraglenoid tubercle of Sapulpa
Medial head: inferior 2/3 of posterior humerus
Lateral head: posterior surface of humerus
–> posterior olecranon process of ulna

38
Q

What is the innervation for triceps brachii?

A

Radial nerve

39
Q

What are the attachments for brachioradialis?

A

Proximal 2/3 of lateral supracondyle ridge of humerus

–> lateral surface of the distal end of the radius

40
Q

What is the common flexor origin for the forearm?

A

Medial epicondyle

41
Q

Which nerves supply the anterior compartment of the forearm and which muscles do they supply?

A

Median nerve: all muscles except flexor carpi ulnaris and medial half flexor digitorum profundus
Ulnar nerve: flexor carpi ulnaris and flexor digitorum profundus

42
Q

Which branch of the median nerve supplies the deep flexor of the forearm?

A

Anterior interosseous nerve

43
Q

What are the attachments for pronator teres?

A

Medial epicondyle

–> roughening on the middle of the lateral surface of the radius

44
Q

What are the attachments for flexor carpi radialis?

A

Medial epicondyle

–> base of metacarpals 2 and 3

45
Q

What are the attachments for palmaris longus?

A

Medial epicondyle

–> palmar aponeurosis of hand

46
Q

What are the attachments for flexor carpi ulnaris?

A

Medial epicondyle

–> pisiform, hamate and metacarpal 5

47
Q

What are the attachments for flexor digitorum superficialis?

A

Medial epicondyle

–> middle phalanges of 2-5

48
Q

What are the attachments for flexor digitorum profundus?

A

Anterior and medial surfaces of ulna and the interosseous membrane
–> distal phalanges of 2 to 5

49
Q

What are the attachments for flexor pollicis longus?

A

Anterior surface of radius and radial half of interosseous membrane
–> distal phalanx of thumb

50
Q

What are the attachments for pronator quadratus?

A

linear ridge on distal surface on ulnar

–> distal surface of radius

51
Q

What is the common extensor origin for the forearm?

A

lateral epicondyle

52
Q

What are the attachments for extensor carpi radialis longus?

A

lateral epicondyle

–> base of metacarpal 2

53
Q

What are the attachments for extensor carpi radialis brevis?

A

lateral epicondyle

–> base of metacarpal 3

54
Q

What are the attachments for extensor digitorum

A

lateral epicondyle

–> extensor hood into middle and distal phalanges 2 to 5

55
Q

What are the attachments for extensor digiti minimi?

A

lateral epicondye

–> extensor hood of metacarpal 5

56
Q

What are the attachments for extensor carpi ulnaris?

A

lateral epicondyle

–> tubercle on medial base of metacarpal 5

57
Q

What are the attachments for extensor indicis?

A

posterior surface of ulna and interosseous membrane

–> extensor hood of digit 2

58
Q

What are the attachments for extensor pollicis brevis?

A

posterior surfaces of radius and interosseous membrane

–> dorsal base of proximal phalanx of the thumb

59
Q

What are the attachments for extensor pollicis longus?

A

posterior surface of middle 1/3 of ulna and interosseous membrane
–> dorsal base of distal phalanx of thumb

60
Q

What are the attachments for abductor pollicis longus?

A

posterior surfaces of radius, ulna and interosseous membrane

–> base of metcarpal 1

61
Q

What are the attachments for supinator?

A

superificial head: lateral epicondyle
deep head: supinator crest of ulna
–> upper lateral 1/3 of ulna

62
Q

What is the nerve supply to the extensors of the forearm?

A

the radial nerve supplies them all. The posterior interosseous supplies most but the deep branch of the radial supplies the extensor carpi radialis brevis and supinator

63
Q

What are the carpal bones?

A

(lateral to medial)
scaphoid, lunate, triquetrum, pisiform
trapezium, trapezoid, cunate, hamate

64
Q

Which ligaments form the anatomical snuff box?

A

abductor pollicis long and extensor pollicis brevis (lateral)
extensor poliicis longus (medial)

65
Q

Which muscles are in the hypothenar compartment?

A

Abductor digiti minimi
flexor digiti minimi
opponens digiti minimi

66
Q

Which muscles are in the thenar compartment?

A

abductor pollicis brevis
flexor pollicis brevis
opponens pollicis

67
Q

Which muscles are in the central compartment?

A

lumbricals

68
Q

which muscles are in the interosseous compartment?

A

palmar interosseuous muscles

dorsal interosseous muscles

69
Q

Which muscles are in the abductor compartment?

A

Abductor pollicis

70
Q

What is the nerve supply to the muscles of the hand?

A

The deep branch of the ulnar nerve supplies the hypothenar compartment, the medial two lubricals and the interossei muscles
The recurrent branch of the median nerve supplies the thenar compartment
The digital branch of the median nerve supplies the lateral 2 lumbricals

71
Q

What are the attachments for abductor digit minimi?

A

Pisiform

–> proximal phalanx of little finger

72
Q

What are the attachments for flexor digit minimi?

A

Hook and hamate and flexor retinaculum

–> proximal phalanx of little finger

73
Q

What are the attachments for oppenens digiti minimi?

A

hook of hamate and flexor retinaculum

–> medial border of 5th metacarpal

74
Q

What are the attachments for abductor pollcis brevis?

A

flexor retinaculum and tubercle of scaphoid and trapezius

–> proximal phalanx and extensor hood of thumb

75
Q

What are the attachments for flexor pollicis brevis?

A

flexor retinaculum and tubercle of scaphoid and trapezium

–> proximal phalanx of thumb

76
Q

What are the attachments for opponens pollicis?

A

Flexor retinaculum and tubercle of trapezium and scaphoid

–> lateral side of metacarpal 1

77
Q

What are the attachments for the lumbricals?

A 
these are the bye bye muscles
tendons of flexor digitorum profundus
--> extensor hoods
the index and middle finger and unipennate
the ring and little finger are bipennate
78
Q

What are the attachments for the palmar interosseous muscles?

A

there are 3 muscles- 2, 4 and 5
side of the metacarpals
–> extensor hoods

79
Q

What are the attachments for the dorsal interosseous muscles?

A

there are 4 muscles and they’re all bipennate
adjacent side of metacarpals
–> proximal phalanges and extensor hoods

80
Q

What are the attachments for adductor pollicis?

A

transverse head: metacarpal 3. oblique head: capitate and base of metacarpal 3
–> base of proximal phalanx and extensor hood of the thumb

Anatomy Y2 term 1 (5 decks)

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