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Gross exam two > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q

Supraspinatus origin

A

Supraspinous fossa of scapula

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2
Q

Supraspinatus insertion

A

superior facet of greater tubercle of humerus

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3
Q

Supraspinatus innervation

A

Suprascapular nerve

C4-C6

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4
Q

supraspinatus action

A

initiates (first 15 degrees) abduction of shoulder

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5
Q

Infraspinatus origin

A

infraspinous fossa of scapula

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6
Q

Infraspinatus insertion

A

middle facet of greater tubercle of humerus

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7
Q

Infraspinatus innervation

A

Suprascapular nerve

C4-C6

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8
Q

Infraspinatus action

A

External rotation of shoulder

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9
Q

Teres minor origin

A

lateral border of scapula

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10
Q

teres minor insertion

A

inferior facet greater tubercle of humerus

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11
Q

Teres minor innervation

A

Axillary nerve

C5, C6

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12
Q

Teres minor action

A

external rotation of shoulder

weak adduction

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13
Q

subscapularis origin

A

subscapular fossa of scapula

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14
Q

subscapularis insertion

A

lesser tubercle of humerus

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15
Q

subscapularis innervation

A

Subscapular nerve
C5, C6
(upper and lower)

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16
Q

subscapularis action

A

internal rotation

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17
Q

Deltoid origin

A

lateral 1/3 of clavicle
acromion
spine of scap

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18
Q

deltoid insertion

A

deltoid tuberosity of humerus

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19
Q

Deltoid action

A
  • clavicular part- flexion, internal rotation, adduction
  • acromial part - abduction
  • spinal part- extension, external rotation, adduction
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20
Q

Deltoid innervation

A

Axillary nerve

C5, C6

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21
Q

Teres major origin

A

inferior angle of scapula

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22
Q

teres major insertion

A

crest of lesser tubercle of humerus

anterior angle

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23
Q

teres major innervation

A

lower subscapular nerve

C5-C7

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24
Q

teres major action

A

internal rotation
adduction
extension

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25
Q

Rotator Cuff muscles

A
  • Teres minor
  • Supraspinatus
  • Infraspinatus
  • Subscapularis
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26
Q

Triceps brachii long head origin

A

infraglenoid tubercle of scapula

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27
Q

triceps brachii long head insertion

A

olecranon of ulna

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28
Q

triceps brachii long head action

A

elbow joint extension

shoulder joint extension and adduction

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29
Q

triceps brachii lateral head origin

A

posterior humerus, proximal to radial groove

lateral intermuscular septum

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30
Q

triceps brachii lateral head insertion

A

olecranon of ulna

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31
Q

triceps brachii lateral head innervation

A

Radial nerve

C6-C8

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32
Q

Triceps brachii lateral head action

A

elbow joint extension

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33
Q

Triceps brachii medial head origin

A

posterior humerus, inferior to radial groove

medial intermuscular septum

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34
Q

triceps brachii medial head insertion

A

Olecranon of ulna

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35
Q

triceps brachii medial head innervation

A

Radial nerve

C6-C8

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36
Q

triceps brachii long head innervation

A

radial nerve

C6-C8

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37
Q

Pectoral girdle- anterior muscles

A
  • Subclavius
  • Serratus anterior
  • Pectoralis minor
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38
Q

Pectoral girdle- posterior muscles

A
  • trapezius
  • levator scap
  • rhomboid major and minor
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39
Q

Subclavius origin

A

1st rib

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40
Q

subclavius insertion

A

inferior surface of clavicle

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41
Q

subclavius innervation

A

nerve to subclavius

C5, C6

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42
Q

Subclavius action

A

steadies clavicle in sternoclavicular joint

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43
Q

Pectoralis minor origin

A

3rd to 5th rib

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44
Q

pectoralis minor insertion

A

coracoid process

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45
Q

pectoralis minor innervation

A

medial pectoral nerve

C8, T1

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46
Q

Pectoralis minor action

A

rotates glenoid inferiorly
depression of scap
protraction of scap

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47
Q

serratus anterior origin

A

ribs 1-9

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48
Q

serratus anterior insertion

A

medial border of scapula

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49
Q

serratus anterior innervation

A

long thoracic nerve

C5-C7

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50
Q

serratus anterior action

A 
protraction 
lateral rotation (inferior part)
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51
Q

Pectoralis major origin

A
  • medial half clavicle
  • sternum and costal cartilages 1-6
  • rectus sheath (anterior layer)
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52
Q

pectoralis major insertion

A

crest of greater tubercle of humerus

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53
Q

pectoralis major innervation

A

medial and lateral pectoral nn.

C5-T1

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54
Q

Pectoralis major action

A
  • adduction, internal rotation

- (clavicular & sternocostal part) -flexion, assist in respiration

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55
Q

brachialis origin

A

distal half of anterior surface of humerus

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56
Q

brachialis insertion

A

ulnar tuberosity

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57
Q

anconeus origin

A

lateral epicondyle of humerus

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58
Q

anconeus insertion

A

olecranon of ulna (radial surface)

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59
Q

anconeus innervation

A

radial nerve

C6-C8

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60
Q

anconeus action

A

stabilizes elbow joint

weak extensor

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61
Q

pronator teres origin

A

humeral head- medial epicondyle of humerus

ulna head- coronoid process

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62
Q

pronator teres insertion

A

lateral radius

distal to supinator insertion

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63
Q

pronator teres innervation

A

median nerve

C6,C7

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64
Q

pronator teres action

A

weak elbow flexor

pronation

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65
Q

brachioradialis origin

A

distal humerus distal surface

lateral intermuscular septum

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66
Q

brachioradialis insertion

A

styloid process of radius

67
Q

brachioradialis innervation

A

radial nerve

C5-C6

68
Q

brachioradialis action

A

elbow flexion

semipronation of forearm

69
Q

coracobrachialis origin

A

coracoid process of ulna

70
Q

coracobrachialis insertion

A

in line with the crest of the lesser tubercle of the humerus

71
Q

coacobrachialis innervation

A

musculocutaneous n

C5-C7

72
Q

coracobrachialis action

A

flexion
adduction
internal rotation

73
Q

Biceps brachii long head origin

A

supraglenoid tubercle of scap

74
Q

biceps brachii long head insertion

A

radial tuberosity of humerus

75
Q

biceps brachii innervation

A

musculocutaneous n. C5 C6

76
Q

biceps brachii action

A 
elbow flexion in supine position
supination
flexion of GH joint 
abduction
internal rotation
77
Q

biceps brachii short head origin

A

coracoid process of scap

78
Q

biceps brachii short head insertion

A

radial tuberosity

79
Q

Anterior forearm muscles - superficial

A
  • Pronator teres
  • Flexor carpi radialis
  • Palmaris longus
  • Flexor carpi ulnaris
80
Q

pronator teres origin

A

medial epicondyle

coronoid process of ulna

81
Q

pronator teres instertion

A

lateral radius, distal to supinator insertion

82
Q

pronator teres innervation

A

median nerve

C6, C7

83
Q

pronator teres action

A

pronate forearm

weak elbow flexor

84
Q

flexor carpi radialis origin

A

medial epicondyle of humerus

85
Q

flexor carpi radialis insertion

A

base of 2nd metacarpal

86
Q

flexor carpi radialis innervation

A

median n.

C6, C7

87
Q

flexor carpi radialis action

A

flex wrist

radial deviation

88
Q

palmaris longus origin

A

medial epicondyle of humerus

89
Q

palmaris longus insertion

A

palmar aponeurosis

90
Q

palmaris longus innervation

A

median n.

C7,C8

91
Q

palmaris longus action

A

tightens palmar aponeurosis
wrist flexion
weak elbow flexion

92
Q

flexor carpi ulnaris origin

A

medial epicondyle

olecranon process of ulna

93
Q

flexor carpi ulnaris insertion

A
  • pisiform
  • hook of hamate
  • base of 5th metacarpal
94
Q

flexor carpi ulnaris innervation

A

ulnar n

C7, T1

95
Q

flexor carpi ulnaris action

A

flex wrist

ulnar deviation

96
Q

Anterior compartment of forearm- intermediate layer

A

flexor digitorum superficialis

97
Q

flexor digitorum superficialis origin

A

humeroulnar head- medial epicondyle

upper 1/2 anterior border of radius

98
Q

flexor digitorum superficialis insertion

A

sides of middle phalanges of digits 2-5

99
Q

flexor digitorum superficialis innervation

A

median n.

C8, T1

100
Q

flexor digitorum superficialis actions

A

wrist flexion
weak elbow flexor
flex MCP, PIP digits 2-5

101
Q

anterior compartment of forearm -deep muscles

A

flexor digitorum profundus
flexor pollicis longus
pronator quatratus

102
Q

flexor digitorum profundus origin

A

proximal 2/3 ulna

interosseous membrane

103
Q

flexor digitorum profundus insertion

A

distal phalanges digits 2-5

104
Q

flexor digitorum profundus innervation

A

median n. C8, T1

anterior interosseous branch of ulnar n. C8,T1

105
Q

flexor digitorum profundus action

A

wrist flexor

flex MCP, PIP, DIP digits 2-5

106
Q

flexor pollicis longus origin

A

midanterior surface of radius

interosseous membrane

107
Q

flexor pollicis longus insertion

A

distal phalanx of thumb

108
Q

flexor pollicis longus innervation

A

anterior interosseous branch of median n.

C8, T1

109
Q

flexor pollicis longus action

A

wrist flexion
radial deviation
flex MCP, IP of thumb
flex carpometacarpal of thumb

110
Q

pronator quadratus origin

A

distal quarter of distal ulna

anterior surface

111
Q

pronator quadratus insertion

A

distal quarter of radius

anterior surface

112
Q

pronator quadratus innervation

A

anterior interosseous branch of median n.

C8, T1

113
Q

pronator quadratus action

A

pronation

stabilize distal radioulnar joint

114
Q

posterior muscles of forearm- radialis/ superficial

A

brachioradialis
extensor carpi radialis longus
extensor carpi radialis brevis

115
Q

extensor carpi radialis longus origin

A

lateral supracondylar ridge of distal humerus

lateral intermuscular septum

116
Q

extensor carpi radialis longus insertion

A

base of 2nd metacarpal

posterior side

117
Q

extensor carpi radialis longus innervation

A

radial n.

C6, C7

118
Q

extensor carpi radialis longus action

A

wrist extension
weak elbow flexion
radial deviation

119
Q

extensor carpi radialis brevis origin

A

lateral epicondyle of humerus

120
Q

extensor carpi radialis brevis

A

base of 3rd metacarpal

121
Q

extensor carpi radialis brevis innervation

A

radial n.

C7, C8

122
Q

extensor carpi radialis brevis action

A

extend wrist
weak elbow flexor
radial deviation

123
Q

posterior compartment of forearm- superficial muscles

A

extensor digitorum
extensor digiti minimi
extensor carpi ulnaris

124
Q

extensor digitorum origin

A

lateral epicondyle

common head

125
Q

extensor digitorum insertion

A

dorsal digital expansion digits 2-5

126
Q

extensor digitorum innervation

A

posterior interosseous branch of radial n.

C7, C8

127
Q

extensor digitorum action

A

wrist extension

extension/abduction - MCP, PIP, DIP digits 2-5

128
Q

extensor digiti minimi origin

A

lateral epicondyle

common head

129
Q

extensor digiti minimi insertion

A

dorsal digital expansion of 5th digit

130
Q

extensor digiti minimi innervation

A

posterior interosseous branch of radial n.

C7, C8

131
Q

extensor digit minimi action

A

wrist extension
ulnar deviation
extension/abduction MCP, PIP, DIP of 5th digit

132
Q

extensor carpi ulnaris origin

A

lateral epicondyle

common head

133
Q

extensor carpi ularis insertion

A

base of 5th metacarpal

134
Q

extensor carpi ulnaris innervation

A

posterior interosseous branch of radial n.

C7, C8

135
Q

extensor carpi ulnaris action

A

ulnar deviation

wrist extension

136
Q

posterior compartment- deep forearm muscles

A 
supinator 
abductor pollicis longus 
extensor pollicis brevis
extensor pollicis longus 
extensor indicis
137
Q

supinator origin

A

lateral epicondyle
olecranon of ulna
radial collateral lig
annular lig of radius

138
Q

supinator insertion

A

radius between radial tuberosity and insertion of pronator teres

139
Q

supinator innervation

A

posterior interosseous branch of radial n.

C6, C7

140
Q

supinator action

A

supinate radioulnar joints

141
Q

abductor pollicis longus origin

A

posterior surface radius and ulna

interosseous membrane

142
Q

abductor pollicis longus insertion

A

base of 1st metacarpal

143
Q

abductor pollicis longus innervation

A

posterior interosseous branch of radial n.

C7,C8

144
Q

abductor pollicis longus action

A

radial deviation

abduct carpometacarpal of thumb

145
Q

extensor pollicis brevi origin

A

dorsal surface radius

interosseous membrane

146
Q

extensor pollicis brevis insertion

A

base of proximal phalanx of thumb

147
Q

extensor pollicis brevis innervation

A

posterior interosseous branch of radial n.

C7, C8

148
Q

extensor pollicis brevis action

A

extends carpometacarpal and MCP

radial deviation

149
Q

extensor pollicis longus origin

A

dorsal surface of ulna

interosseous membrane

150
Q

extensor pollicis longus insertion

A

base of distal phalanx of thumb

151
Q

extensor pollicis longus innervation

A

posterior interosseous branch of radial n.

C7, C8

152
Q

extensor pollicis longus acion

A

radial deviation
wrist extension
adduct carpometacarpal of thumb
extend MCP, IP

153
Q

extensor indicis origin

A

posterior surface ulna

interosseous membrane

154
Q

extensor indicis insertion

A

posterior digital extension 2nd digit

155
Q

extensor indicis innervation

A

posterior interosseous branch of radial n

C7, C8

156
Q

extensor indicis action

A

wrist extension

extend MCP, PIP, DIP of 2nd digit

157
Q

adductor pollicis oblique

A

O:capitate & base of 2nd and 3rd metacarpal
I: base of prox phalanx of thumb
A: CMC adduction, MCP flexion
-ulnar n. C8,T1

158
Q

adductor pollicis transverse

A

O: 3rd metacarpal
I: base of prox phalanx of thumb
A: CMC adduction, MCP flexion
-ulnar n. C8, T1

159
Q

abductor pollicis brevis

A

O:scaphoid & trapezium, flexor retinaculum
I: base of prox phalanx of thumb
A: CMC abduction of thumb
median n. C8, T1

160
Q

flexor pollicis brevis

A

O: flexor retinaculum, capitate & trapezium
I: base of prox phalanx of thumb
A: CMC felxion of thumb
median n. C8, T1

161
Q

oppones pollics

A

O-trapezium
I: radial border 1st metacarpal
A: CMC opposition of thumb
median n C8, T1

162
Q

abductor digiti minimi

A

O: pisiform
I: base 5th prox phalanx, DDE 5th digit
A: abduction, flexion MCP little finger
DIP, PIP extension

ulnar n. C8, T1

163
Q

Flexor digiti minimi brevis

A

O: hook of hamate, flexor retinaculum
I: base of 5th prox phalanx
A: flex MCP little finger

164
Q

opponens digiti minimi

A

O: hook of hamate, flexor retinaculum
I: 5th prox phalanx ulnar border
A: opposition MCP little finger
ulnar n. C8, T1

Gross exam two (3 decks)

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