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Anatomy > UE Muscle Chart > Flashcards

UE Muscle Chart Flashcards

1
Q

Trapezius III

A

O: T1-T4 spinous processes
I: Scapular spine
A: Adduct/retract scapula
S: Cranial nerve XI, ventral rami C2-C4

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2
Q

Trapezius IV

A

O: T5-T12 spinous processes
I: Medial scapular spine
A: scapula: up rotate, depress, adduct
S: Cranial nerve XI, ventral rami C2-C4

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3
Q

Rhomboid major & minor

A

Minor: from lower cervical C6-C7 SP to med border scapula above spine
Major: upper thoracic T1-T4 SP TO med border scapula below scapular spine
A: Scapula- adduct, elevate, down rotate
S: Dorsal scapular N

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4
Q

Levator scapulae

A

O: C1-C4 transverse processes
I: superior angle scapula
A: elevate, down rotate scapula
S: dorsal scapular N

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5
Q

Sternocleidomastoid

A

O: Manubrium, medial clavicle
I: Mastoid process, superior nuchal line
A: C-spine- Ipsilaterally flexes, Contralat rotates, Bilaterally extend
S: Cranial nerve XI, ventral rami C1-C2

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6
Q

Subclavius

A

O: superior surface rib 1
I: Inferior lateral surface of clavicle
A: Stabilize clavicle
S: Subclavius N (C5-C6)

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7
Q

Pectoralis minor

A

O: Ant surface ribs 3-5
I: Coracoid process scapula
A: Scapula- ant. tip, ABD, down rotate, depress
S: Med & lat pectoral nerves

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8
Q

Serratus anterior (superior)

A

O: Lat surface ribs 1-5
I: Med border scapula, superior angle
A: scapula- ABD, down rotate, elevate, stabilize medial border
S: long thoracic N

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9
Q

Serratus anterior (inferior)

A

O: lat surface ribs 5-9
I: med border scapula, inferior angle
A: scapula- ABD, up rotate, depress, stabilize medial border
S: long thoracic N

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10
Q

Supraspinatus

A 
O: Supraspinous fossa
I: Greater tuberosity humerus
A: ABD GH (ER GH)
S: suprascapular N
(rotator cuff)
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11
Q

Infraspinatus

A

O: Infraspinous fossa
I: greater tuberosity humerus
A: ER, Horizontal ABD glenohumeral
S: suprascapular N

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12
Q

Teres Minor

A

O: Lat border scapula
I: greater tuberosity humerus
A: ER, Horizontal ABD glenohumeral (and Add)
S: Axillary N

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13
Q

Subscapularis

A

O: subscapular fossa scapula
I: lesser tuberosity humerus
A: IR, Horizontal ABD glenohumeral
S: Upper and lower subscapular N’s

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14
Q

Anterior deltoid

A

O: lat clavicle
I: deltoid tuberosity humerus
A: GH- Add at 60º abd, Flex, IR, Horiz adduct
S: Axillary N

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15
Q

Middle deltoid

A

O: Acromion
I: deltoid tuberosity humerus
A: ABD GH
S: Axillary N

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16
Q

Posterior deltoid

A

O: Scapular spine
I: Deltoid tuberosity humerus
A: GH- Add at 60º abd, Extend, ER, Horiz ABDuct
S: Axillary N

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17
Q

Latissimus dorsi

A

O: T7-T12 spinous processes, thoracolumbar fascia, post. iliac crest, ribs 9-12, inferior angle scapula
I: med border bicipital groove
A: GH- Add, Ext, IR, Horiz ABDuct
Scapula- Retract/Add, down rotate, depress
S: Thoracodorsal N

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18
Q

Teres major

A

O: Inferior angle scapula
I: Medial border bicipital groove
A: GH- Add, Ext, IR, Horiz ABDuct
S: Lower subscapular N

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19
Q

Pectoralis major (clavicular)

A

O: Medial clavicle
I: Lat border bicipital groove
A: GH- IR, Flex, Horiz Add, Add if 90º
S: Med and lat pectoral N’s

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20
Q

Pectoralis major (sternal)

A 
O: Sternum, costal cartilages ribs 2-6
I: Lat border bicipital groove
A: GH- Ext if >30º flexed, Flex if hyperextended, IR, Horiz add, Add
Scapula- protract, down rotate
S: med and lat pectoral N
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21
Q

Coracobrachialis

A

O: coracoid process scapula
I: medial humerus
A: GH- Flex, Add, Horiz Add (IR)
S: Musculocutaneous N

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22
Q

Triceps brachii long head

A

O: Infraglenoid tubercle, scapula
I: Olecranon
A: Ext elbow. Ext GH (Add GH)
S: Radial N

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23
Q

Triceps brachii- medial and lateral heads

A

O lateral: proximal posterior surface humerus
O medial: distal posterior surface humerus
I: Olecranon (ulna)
A: Ext elbow
S: Radial n

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24
Q

Anconeus

A

O: Lat epicondyle humerus
I: Olecranon
A: Ext elbow
S: Radial nerve

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25
Q

Brachialis

A

O: Distal anterior humerus
I: Ulnar tuberosity
A: Flex elbow
S: Musculocutaneous N

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26
Q

Biceps brachii

A

O long head: Supraglenoid tubercle scapula
O short head: Coracoid process scapula
I: Radial tuberosity
A: Flex elbow, supinate radio-ulnar, Flex GH (ABD GH, IR GH)
S: Musculocutaneous N

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27
Q

Scapular up-rotation caused by (4)

A

Trapezius I, II, and IV (not III)

Serratus anterior inferior

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28
Q

Scapular down rotation caused by (7)

A 
Rhomboids- major and minor
Levator scapulae
Pectoralis minor
Serratus anterior superior
Latissimus dorsi
Pec major (sternal)
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29
Q

Muscles that elevate the scapula

A

Trapezius I and II
Rhomboid major and minor
Levator scapulae
Serratus anterior superior

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30
Q

Muscles that depress the scapula

A

Trapezius IV (ascending)
Pectoralis minor
Serratus anterior inferior
Latissimus dorsi

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31
Q

Muscles that Adduct (retract) scapula

A

Trapezius- all (I, II, III, IV)
Rhomboids- major and minor
Latissimus dorsi

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32
Q

Muscles that ABDuct (protract) scapula

A

Pectoralis minor
Serratus anterior- superior and inferior
Pectoralis major- sternal

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33
Q

Muscles that anteriorly tip scapula (1)

A

Pectoralis minor

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34
Q

Muscles that flex the arm (GH) - 4

A

Anterior deltoid
Pectoralis major- clavicular (and sternal if hyperextended)
Coracobrachialis
Biceps brachii

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35
Q

Muscles that extend the arm (GH) - 5

A 
Posterior deltoid
Latissimus dorsi
Teres major
Pectoralis major- sternal (if >30º flexion)
Triceps brachii- long head
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36
Q

External rotators of arm (GH) - 4

A

Infraspinatus
Teres minor
Posterior deltoid
(Supraspinatus)

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37
Q

Internal rotators of arm (GH)

A 
Subscapularis
Anterior deltoid
Latissimus dorsi
Teres major
Pectoralis major- sternal and clavicular
(Coracobrachialis, Biceps brachii)
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38
Q

ABDuctors of arm (GH)- 4ish

A

Supraspinatus
Deltoid- middle always, ant and post if >60º ABD
Pectoralis major- clavicular if >90º ABD
(Biceps brachii)

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39
Q

Horizontal ABDuctors of arm (GH)- 5

A 
Infraspinatus
Teres minor
Posterior deltoid
Latissimus dorsi
Teres major
40
Q

Horizontal Adductors of arm (GH)- 4

A

Subscapularis
Anterior deltoid
Pectoralis major- both
Coracobrachialis

41
Q

Adductors of arm (GH)

A

Latissimus dorsi
Teres major
Coracobrachialis
Anterior and posterior deltoid (If

42
Q

Trapezius I and II

A

Trap I: FROM Occipital bone, C1-C3 spinous processes TO lateral clavicle
Trap II: from C4-C7 spinous processes TO acromion
A: Scapula- up rotate, elevate, Adduct. Ipsilaterally flex C-spine, contralaterally rotate C-spine
S: Cranial nerve XI & ventral rami C2-C4

43
Q

Pronator Teres

A

O: Med epicondyle humerus, coronoid process ulna
I: lat surface radius
A: Pronate RU
S: Median N

44
Q

Flexor Carpi Radialis

A

O: Med epicondyle humerus
I: Base 2nd MC
A: Flex wrist, radially deviate
S: Median N

45
Q

Palmaris Longus

A

O: Med epicondyle humerus
I: palmar aponeurosis
A: flex wrist
S: median N

46
Q

Flexor Carpi Ulnaris

A

O: med epicondyle humerus, olecranon
I: pisiform, hook of hamate
A: flex wrist, ulnar deviate
S: ***Ulnar N

47
Q

Flexor digitorum profundus

A

O: Prox. ant. ulna, IO membrane
I: DP 2-5
A: Flex: wrist, MCP, PIP, DIP 2-5
S: 2-3 Anterior Interosseous (Median) N, 4-5 Ulnar N**

48
Q

Pronator Quadratus

A

O: dist ant ulna
I: dist ant radius
A: pronate RU
S: Ant IO N (Median)

49
Q

Flexor Pollucis Longus

A

O: ant radius, IO membrane
I: DP 1
A: Flex: wrist, 1st CMC, MCP, IP
S: Ant IO N (Median)

50
Q

Lumbricals (1-4)

A

O: Radial sides of FDP tendons
I: dorsal digital expansions 2-5
A: Flex MCP, extend IP
S: 1-2 Median N / 3-4 Deep Ulnar N

51
Q

Dorsal Interossei (4)

A

O: 2 heads, adjacent sides of MC’s 1-5
I: base PP 2-4, dorsal digital expansion
A: ABD MCP 2-4
S: Deep Ulnar N

52
Q

Plantar Interossei (3)

A

O: 1-ulnar side MC 2. 2- radial side MC 4. 3- radial side MC 5
I: Base PP 2, 4, 5, dorsal digital expansions
A: Add MCP 2, 4, 5 toward middle finger
S: Deep Ulnar N

53
Q

Brachioradialis

A

O: Lat supracondylar ridge humerus
I: Styloid process radius
A: Flex elbow, pronate/supinate to neutral
S: Radial N

54
Q

Extensor carpi radialis longus

A

O: Lat supracondylar ridge humerus
I: Base MC 2
A: Ext, radial dev wrist
S: Deep radial N

55
Q

Extensor carpi radialis brevis

A

O: Lat epicondyle humerus
I: Base MC 3
A: Ext, radial dev wrist
S: Deep radial N

56
Q

Supinator

A

O: Lat epicondyle humerus, supinator crest ulna
I: Lat radius
A: Supinate RU
S: Deep radial N

57
Q

Extensor digitorum

A

O: Lat epicondyle humerus
I: MP + DP 2-5
A: Ext: wrist, MCP, IP 2-5
S: Post interosseous N (radial)

58
Q

Extensor digiti minimi

A

O: Lat epicondyle humerus
I: MP + DP 5
A: Ext MCP, IP 5
S: Post interosseous (radial) N

59
Q

Extensor carpi ulnaris

A

O: Lat epicondyle humerus, post ulna
I: Base MC 5
A: Ext, ulnar dev wrist
S: Post interosseous N (radial)

60
Q

Abductor pollicis longus

A

O: Post radius, post ulna, IO memb
I: Base MC 1
A: ABD CMC 1
S: Post interosseous N (radial)

61
Q

Extensor pollicis brevis

A

O: post radius, IO memb
I: base PP 1
A: Ext CMC, MCP 1
S: Post interosseous N (radial)

62
Q

Extensor pollicis longus

A

O: Post ulna, IO memb
I: base DP 1
A: Ext CMC, MCP, IP 1
S: Post interosseous N (radial)

63
Q

Extensor indicis

A

O: Post ulna, IO memb
I: MP + DP 2
A: Ext: wrist, MCP, PIP, DIP 2
S: Post interosseous N (radial)

64
Q

Abductor pollicis brevis

A

O: Flexor retinaculum, scaphoid, trapezium
I: base PP 1
A: ABD CMC 1
S: recurrent median N

65
Q

Adductor pollicis

A 
Transverse O: MC 3
Oblique O: base MC 2, capitate
I: base PP 1
A: Adduct CMC 1 (thumb)
S: Deep ulnar N
66
Q

Flexor pollicis brevis

A

O: flexor retinaculum, capitate, trapezium
I: base PP 1
A: Flex CMC 1
S: Recurrent median (ulnar)

67
Q

Opponens pollicis

A

O: Trapezium
I: MC 1
A: Oppose CMC 1
S: Recurrent median N

68
Q

Abductor digiti minimi

A

O: Pisiform
I: base PP 5
A: ABD MCP 5
S: Deep ulnar N

69
Q

Flexor digiti minimi

A

O: Hook hamate, flexor retinaculum
I: Base PP 5
A: Flex MCP 5
S: Deep ulnar N

70
Q

Opponens digiti minimi

A

O: Hook hamate
I: MC 5
A: Oppose 5th digit (MCP)
S: Deep ulnar N

71
Q

Palmaris brevis

A

O: Palmar aponeurosis
I: skin hypothenar eminence
A: tense skin of palm
S: superficial ulnar N

72
Q

Muscles attaching to base of proximal phalanges

A

1: APB, FPB, Add P, EPB
2-4: DABs, PADs to 2 and 4
5: 3rd PAD, FDM, ADM

73
Q

Muscles attaching to hook of hamate (3)

A

Flexor carpi ulnaris (I)
Opponens digiti minimi (O)
Flexor digiti minimi (O)

74
Q

Muscles attaching to 2nd MC (6)

A

Base: ECRL, FCR, Adductor pollicis oblique head
Sides: 2 DAB heads, 1 PAD

75
Q

Muscles attaching to base of proximal phalanges

A

1: APB, FPB, Add P, EPB
2-4: DABs, PADs to 2 and 4
5: 3rd PAD, FDM, ADM

76
Q

Muscles attaching to hook of hamate (3)

A

Flexor carpi ulnaris (I)
Opponens digiti minimi (O)
Flexor digiti minimi (O)

77
Q

Muscles attaching to 2nd MC (6)

A

Base: ECRL, FCR, Adductor pollicis oblique head
Sides: 2 DAB heads, 1 PAD

78
Q

Lateral epicondyle of humerus is the attachment for…

A
  • Anconeus
  • ECRB
  • ED
  • EDM
  • ECU
  • supinator
79
Q

Medial epicondyle is attachment for…

A
  • pronator teres
  • FCR
  • palmaris longus
  • FDS
  • FCU
80
Q

Attachments to olecranon

A
  • triceps
  • anconeus
  • flexor carpi ulnaris
81
Q

Radiocarpal joint type and articulations

A

Synovial condyloid

Radius and triangular FC with scaphoid, lunate, (and triquetrum in ulnar dev)

82
Q

Radial carpal collateral lig

A

Radial styloid process TO scaphoid, trapezium

- capsular, limits ulnar dev

83
Q

Ulnar carpal collateral lig

A

Ulnar styloid process TO triquetrum, pisiform

- limits radial dev

84
Q

Distal radius inclination

A

20º more distal radially (limits radial dev)

11º more distal dorsally (limits ext, more flexion)

85
Q

Dorsal radiocarpal ligaments

A

dorsal radius TO triquetrum, lunate, scaphoid

capsular, limit wrist flexion

86
Q

Palmar Radiocarpal Ligament

A

Styloid process radius TO capitate, lunate, scaphoid

- capsular, limit ext and ulnar dev

87
Q

Palmar Ulnocarpal Lig

A

Styloid process ulna TO lunate, triquetrum

- limit ext, radial dev

88
Q

Dorsal intercarpal ligaments

A

Between carpal bones, capsular reinforcement

89
Q

Palmar intercarpal ligament

A

Between carpals, capsular

Floor of carpal tunnel

90
Q

Carpometacarpal joint type

A

Synovial plane joints
2nd MC-trapezoid
3rd MC-capitate
4th and 5th MC- hamate

91
Q

Palmar metacarpal ligaments

A

Between metacarpals, capsular

92
Q

Palmar carpometacarpal ligaments

A

MC to carpals, capsular

93
Q

Dorsal carpometacarpal ligaments

Dorsal metacarpal ligaments

A

what it sounds like

94
Q

1st CMC joint type

A

Saddle joint

Trapezium to 1st MC, has separate JC

95
Q

metacarpophalangeal (MCP) collateral ligaments

A

Triangular
lax in extension
taut in flexion, limit ABD

96
Q

Volar Plates

A

MCP Palmar ligaments

  • Fibrocartilage
  • limits hyperext, prevents impingement of flexor tendons

Anatomy (7 decks)

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