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BMS246 Anatomy > Week 8-11 - Upper Limb > Flashcards

Week 8-11 - Upper Limb Flashcards

1
Q

What is the only bony attachement between the trunk and the upper limb

A

The Clavicle

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2
Q

What is found at the most superior end of the spine of the scaula

A

Acromonium

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3
Q

What are the main movements of the scapula

A

Elevation, depression, rotation, retraction, protraction

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4
Q

What is the joint between the sternum and clavicle

A

Sternoclavicular joint

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5
Q

What is the space inbetween the tubercles on the humerus called

A

Intertubercular groove

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6
Q

Why is the glenohumeral joint so unstable

A

Because the head of the humerus is so big compared to the facet of the glenoid cavity

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7
Q

How much stability does the labrum provide

A

20%

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8
Q

What type of joint is the glenohumeral joint

A

Ball and socket

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9
Q

What is stability of the joint also stabilised by

A

Muscles that attach from the scapula to the humerus

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10
Q

Origin of the trapezius

A

Spine

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11
Q

Innervation of the trapezius

A

C3 C4

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12
Q

Insertion of the trapezius

A

Clavicle and spine of the scapula

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13
Q

Movements the trapezius

A

Depress, retract or rotate the scapula

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14
Q

What are the three bands of the deltoids

A

Anterior, posterior and lateral fibres

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15
Q

Movement acheived by the anterior fibrers

A

Flexes and medially rotates the arm

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16
Q

Movement achieved by the posterior fibres

A

Extends and laterally rotates the arm

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17
Q

Movement achieved by the lateral fibres

A

Abducts the arm

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18
Q

Innervation of the deltoids

A

Auxillary nerve from C5, C6

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19
Q

Origins of the deltoids

A

Lateral end of the clavicle, acromion, spine of the scapula

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20
Q

Inserstion of the deltoids

A

Insert at the deltoid tuberosity

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21
Q

Origin of the teres major

A

Dorsal surface of the inferior angle, lower part of the lateral border

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22
Q

Insertion of the teres major

A

Medial lip of the intertubercular sulcus of the humerus

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23
Q

Innervation of the teres major

A

C5-C8

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24
Q

Origin of the rhomboid major

A

Spinous process of T2-T5

And the supraspinous ligament

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25
Q

Insertion of the rhomboid major

A

Medial border of the scapula from the level of the spine of the scapula to the inferior angle

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26
Q

Movements of the rhomboid major

A

Keeps the scapula pressed against the thoracic wall and scapula retraction

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27
Q

Innervation of the rhomboid major

A

Dorsal scapula

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28
Q

Origin of the rhomboid minor

A

Inferior border of the nuchal ligament

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29
Q

Insertion of the rhomboid minor

A

Medial border of the scapula at the level of the spine of the scapula

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30
Q

Movements of the rhomboid minor

A

Retraction of the scapula

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31
Q

Innervation of the rhomboid minor

A

Dorsal scapula nerve (C5)

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32
Q

Origins of the lat. dorsi

A

Spinous process T7 - T12
Rib 11/12
Posterior 1/3 of the tip of the iliac crest
Lumbar and scaral vertebrae

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33
Q

Insertions of the lat. dorsi

A

Bicipital groove of the humerus

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34
Q

Movements of the lat. dorsi

A

Adducts, extends and internally rotates the arm at the shoulder

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35
Q

Innervation of the lat. dorsi

A

Thoraedorsal nerve (C6-8)

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36
Q

Origins from the levator scapulae

A

Posterior tubercule transverse process of C1-C4

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37
Q

Insertions of the leavtor scapulae

A

Medial border of the scapula

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38
Q

Movements of the levator scapulae

A

Elevation of the scapula

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39
Q

Innervation of the levator scapulae

A

Fourth and 5th cervical nerves

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40
Q

Origin of the pec major

A

Anterior surface of the sternal angle and 1/2 of the clavicle

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41
Q

Insertions of the pec major

A

Lateral lip of the bicipital groove

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42
Q

Movements of the pec major

A

Flexion of the humerus, aducts the humerus, medial rotation of the humerus - attachment of the trunk to the arm

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43
Q

Innervations of the pec major

A

Many cervical nerves of the spine

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44
Q

Origins of the pec minor

A

From the ribs

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45
Q

Innervatios of the pec minor

A

Median pectoral nerve

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46
Q

Insertion of the pec minor

A

On the coracoid process

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47
Q

Movement of the pec minor

A

Stabilises the scapula

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48
Q

Origin of the trapezius

A

Spinous process of the vertebrae C7 - T12
Nuchal ligament
Occipital bone

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49
Q

Insertion of the trapezius

A

Posterior border of the lateral 1/3 of the clavicle
Acromion process
Spine of the scapula

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50
Q

Innervation of the trapezius

A

Cervicle spinal nerves C3 C4

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51
Q

Actions of the trapezius

A

On the scapula

Rotation // Retraction // Elevation // Depression

52
Q

Origin of the deltoids

A

Anterior border and upper surface of the lateral 1/3 of the clavicle
Acromion process
Spine of the scapula

53
Q

Insertion of the deltoids

A

Deltoid tuberosity

54
Q

Innervation of the deltoids

A

Axillary nerve

55
Q

Action of the anterior fibres of the deltoids

A

Flexes and medially rotates the arm

56
Q

Action of the posterior fibres of the deltoids

A

Extends and laterally rotates the arm

57
Q

Action of the lateral fibres of the deltoids

A

Abduction of the arm

58
Q

Origin of the teres major

A

Posterior apect of the inferior angle of the scapula

59
Q

Insertion of the teres major

A

Medial lip of intertubercular sulcus of the humerus

60
Q

Innervation of the teres major

A

Lower subscapular nerve

61
Q

Action of the teres major

A

Humerus - adduction, internal rotation, extension

Scapula - protraction and depression

62
Q

Origin of the rhomboid major

A

Spinous process of T2-T5

63
Q

Insertion of the rhomboid major

A

Medial border of the scapula (inferior to the insertion of the rhomboid minor)

64
Q

Innervation of the rhomboid major

A

Dorsal scapula nerve

65
Q

Action of the rhomboid major

A

Scapula - retraction, depression

Glenoid cavity - depression

66
Q

Origin of the rhomboid minor

A

Nuchal ligaments

Spinous processes of the C7 - T1

67
Q

Insertion of the rhomboid minor

A

Medial border of the scapula (superior to the insertion of the rhomboid minor)

68
Q

Innervation of the rhomboid minor

A

Dorsal scapula nerve

69
Q

Action of the rhomboid minor

A

Scapula - retraction, rotation

70
Q

Origin of the latissimus dorsi

A 
Spinous processes of vertebrae T7 - L5 
Thoracolumbar fascia 
Iliac crest 
Inferior 3 - 4 ribs 
Inferior angle of the scapula
71
Q

Insertion of the latissimus dorsi

A

Floor of the intertubercular groove of the humerus

72
Q

Innervation of the latissimus dorsi

A

Thoracodorsal nerve

73
Q

Action of the latissimus dorsi

A

Arm

Adduction // extension // medial rotation

74
Q

Origin of the levator scapulae

A

Posterior tubercles of the transverse processes of C1 - C4

75
Q

Insertion of the levator scapulae

A

Superior part of the medial border of the scapula

76
Q

Innervation of the levator scapulae

A

Cervical nerve - C3, C4

Dorsal scpula nerve

77
Q

Action of the levator scapulae

A

Scapula

elevation // rotation

78
Q

What are the two heads of the pectoralis major

A

Clavicular head

Sternocostal head

79
Q

What is the origin of the clavicular head of the pectoralis major

A

Anterior surface of the medial half of the clavicle

80
Q

What is the origin of the sternocostal head of the pectoralis major

A

Anterior surface of the sternum
Superior six costal cartilages
Aponeurosis of the external obliques

81
Q

What is the insertion of the pectoralis major

A

Lateral lip of the bicipital groove of the humerus

82
Q

What is the innervation of the pectoralis major

A

Lateral and median pectoral nerve

83
Q

What is the action of the clavicular head of the pectoralis major

A

Flexion of the humerus

84
Q

What is the action of the sternocostal head of the pectoralis major

A

Adducts the humerus

85
Q

What is the action of the whole pectoralis major

A

Adducts and medially rotates the humerus

Draws scapula anteriorly and inferiorly

86
Q

What is the origin of the pectoralis minor

A

Ribs 3 to 5

87
Q

What is the insertion of the pectoralis minor

A

Medial border and superior surface of the coracoid process of the scapula

88
Q

What is the innervation of the pectoralis minor

A

Medial and lateral pectoral nerve

89
Q

What is the action of the pectoralis minor

A

Stabilises the scapula

90
Q

What is the origin of the subscapularis

A

Subscapular fossa

91
Q

What is the innsertion of the subscapularis

A

Lesser tubercles of the humerus

92
Q

What is the innervation of the subscapularis

A

Subscapular nerve (upper and lower)

93
Q

What is the action of the subscapularis

A

Humerus - internal rotation // adduction

Stabilisation of the shoulder

94
Q

What is the origin of the supraspinatus

A

Supraspinatus fossa of the scapula

95
Q

What is the insertion of the supraspinatus

A

Superior facet of the greater tubercle of the humerus

96
Q

What is the innervation of the supraspinatus

A

Suprascapular nerve

97
Q

What is the action of the supraspinatus

A

Abduction of the arm

Stabilises the shoulder

98
Q

What is the origin of the infraspinatus

A

Infraspinatus fossa of the scapula

99
Q

What is the insertion of the infraspinatus

A

Middle facet of the greater tubercle of the humerus

100
Q

What is the innervation of the infraspinatus

A

Suprascapular nerve

101
Q

What is the action of the infraspinatus

A

Lateral rotation of the arm -

Stabilises the shoulder

102
Q

What is the origin of the teres minor

A

Lateral border of the scapula

103
Q

What is insertion of the teres minor

A

Inferior facet of the greater tubercles of the humerus

104
Q

What is the innervation of the teres minor

A

Axillary nerve

105
Q

What is the action of the axillary nerve

A

Lateral rotation of the arm

Stabilises the shoulder

106
Q

Is biceps brachii a flexor or extensor

Is biceps brachii found on the anterior or posterior

A

Flexor so anterior

107
Q

Origin of the short head of biceps brachii

A

Coracoid process of the scapula

108
Q

Origin of the long head of biceps brachii

A

Supraglenoid tubercle

109
Q

Insertion of biceps brachii

A

Radial tuberosity and bicipital aponeurosis into deep fascia on the medial part of the forearm

110
Q

Innervation of biceps brachii

A

Musculocutaneous nerve

111
Q

Action of biceps brachii

A

ELBOW - flexion
SHOULDER - flexion/abduction
RADIAL ULNAR JOINT - supination

112
Q

Origin of the coracobrachialis

A

Coracoid process

113
Q

Insertion of the coracobrachialis

A

Anteromedial surface of the humerus distal to the crest of the lesser tubercle

114
Q

Innervation of the coracobrachialis

A

Musculocutaneous nerve

115
Q

Action of the coracobrachialis

A

Arm at the glenohumeral joint

Adduction and flexion

116
Q

Origin of the brachialis

A

Anterior surface of the humerus

117
Q

Insertion of the brachialis

A

Coronoid process and tuberosity of the ulnar

118
Q

Innervation of the brachialis

A

Musculocutaneous and radial nerves

119
Q

Action of the brachialis

A

Flexion at the elbow

120
Q

Origin of the long head of triceps

A

Infraglenoid tubercle of the scapula

121
Q

Origin of the lateral head of triceps

A

Above the radial groove

122
Q

Origin of the medial head of triceps

A

Below the radial groove

123
Q

What is the radial groove

A

Where the radial nerve runs along the humerus

124
Q

What is the insertion of the triceps

A

Olecranon process of the ulnar

125
Q

Innervation of the triceps

A

Radial and axillary nerve

126
Q

Action of triceps

A

FOREARM - Extension
ARM - Adducts
SHOULDER - Extends

BMS246 Anatomy (7 decks)

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