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Anatomy > Muscles > Flashcards

Muscles Flashcards

1
Q

Abductor digiti minimi origin

A

Pisiform bone and tendon of flexor carpi ulnaris

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2
Q

Abductor digiti minimi insertion

A

Medial side of base of proximal phalanx of little finger

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3
Q

Abductor digiti minimi innervation

A

Ulnar nerve (deep branch)

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4
Q

Abductor digiti minimi blood supply

A

Deep palmar branch of ulnar artery

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5
Q

Abductor digiti minimi actions

A

Abducts little finger

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6
Q

Abductor pollicis brevis origin

A

Flexor retinaculum, tubercles of scaphoid and trapezium bones

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7
Q

Abductor pollicis brevis insertion

A

Base of proximal phalanx of thumb

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8
Q

Abductor pollicis brevis innervation

A

Median nerve (recurrent branch)

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9
Q

Abductor pollicis brevis blood supply

A

Superficial palmar branch of radial artery

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10
Q

Abductor pollicis brevis action

A

Abducts thumb

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11
Q

Abductor pollicis longus origin

A

Posterior surface of ulna, radius, and interosseous membrane

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12
Q

Abductor pollicis longus insertion

A

Base of 1st metacarpal

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13
Q

Abductor pollicis longus innervation

A

Radial nerve (posterior interosseous)

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14
Q

Abductor pollicis longus blood suppy

A

Posterior interosseous artery

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15
Q

Abductor pollicis longus actions

A

Abducts and extends thumb at carpometacarpal joint

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16
Q

Adductor pollicis origin oblique head

A

Bases of 2nd and 3rd metacarpals and capitate bone and adjacent bones

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17
Q

Adductor pollicis insertion

A

Base of proximal phalanx of thumb

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18
Q

Adductor pollicis innervation

A

Ulnar nerve (deep branch)

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19
Q

Adductor pollicis blood supply

A

Deep palmar arch

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20
Q

Adductor pollicis actions

A

Adducts thumb

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21
Q

Adductor pollicis origin trasnverse head

A

Anterior surface of 3rd metacarpal

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22
Q

Anconeus origin

A

Posterior surface of lateral epicondyle of humerus

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23
Q

Anconeus insertion

A

Lateral surface of olecranon and posterior proximal ulna

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24
Q

Anconeus innervation

A

Radial nerve

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25
Q

Anconeus blood supply

A

Deep brachial artery

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26
Q

Anconeus actinos

A

Assists triceps brachii in extending elbow, abducts ulna in pronation

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27
Q

Dorsal interosseous muscles origin

A

Sides of two adjacent metacarpal bones

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28
Q

Dorsal interosseous muscles insertion

A

Base of proximal phalangeal bones, extensor expansion of digits 2–4

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29
Q

Dorsal interosseous muscles innervation

A

Ulnar nerve (deep branch)

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30
Q

Dorsal interosseous muscles blood supply

A

Deep palmar arch

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31
Q

Dorsal interosseous muscles actions

A

Abduct digits; flex digits at metacarpophalangeal joint and extend interphalangeal joints

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32
Q

Extensor carpi radialis brevis origin

A

Lateral epicondyle of humerus

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33
Q

Extensor carpi radialis brevis insertion

A

Base of 3rd metacarpal and slip to 2nd metacarpal

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34
Q

Extensor carpi radialis brevis innervation

A

Radial nerve (deep branch)

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35
Q

Extensor carpi radialis brevis blood supply

A

Radial artery, radial recurrent artery

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36
Q

Extensor carpi radialis brevis actions

A

Extends and abducts hand at wrist

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37
Q

Extensor carpi radialis longus origin

A

Distal third of lateral supracondylar ridge of humerus

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38
Q

Extensor carpi radialis longus insertion

A

Base of 2nd metacarpal and slip to 3rd metacarpal

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39
Q

Extensor carpi radialis longus innervation

A

Radial nerve

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40
Q

Extensor carpi radialis longus blood supply

A

Radial artery, radial recurrent artery

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41
Q

Extensor carpi radialis longus actions

A

Extends and abducts hand at wrist

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42
Q

Extensor carpi ulnaris origin

A

Lateral epicondyle of humerus and posterior border of ulna

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43
Q

Extensor carpi ulnaris insertion

A

Base of 5th metacarpal

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44
Q

Extensor carpi ulnaris innervation

A

Radial nerve (posterior interosseous nerve)

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45
Q

Extensor carpi ulnaris blood supply

A

Posterior interosseous artery

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46
Q

Extensor carpi ulnaris actions

A

Extends and adducts hand at wrist

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47
Q

Extensor digiti minimi origin

A

Lateral epicondyle of humerus

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48
Q

Extensor digiti minimi insertion

A

Extensor expansion of 5th digit

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49
Q

Extensor digiti minimi innervation

A

Radial nerve (posterior interosseous nerve)

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50
Q

Extensor digiti minimi blood supply

A

Posterior interosseous artery

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51
Q

Extensor digiti minimi actions

A

Extends 5th digit

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52
Q

Extensor digitorum origin

A

Lateral epicondyle of humerus

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53
Q

Extensor digitorum insertion

A

Extensor expansions of medial four digits

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54
Q

Extensor digitorum innervation

A

Radial nerve (posterior interosseous nerve)

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55
Q

Extensor digitorum blood supply

A

Posterior interosseous artery

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56
Q

Extensor digitorum actions

A

Extends medial four digits, assists in wrist extension

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57
Q

Extensor indicis origin

A

Posterior surface of ulna and interosseous membrane

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58
Q

Extensor indicis insertion

A

Extensor expansion of 2nd digit

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59
Q

Extensor indicis innervation

A

Radial nerve (posterior interosseous nerve)

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60
Q

Extensor indicis blood supply

A

Posterior interosseous artery

61
Q

Extensor indicis actions

A

Extends 2nd digit and helps extend hand at wrist

62
Q

Extensor pollicis brevis origin

A

Posterior surface of radius and interosseous membrane

63
Q

Extensor pollicis brevis insertion

A

Dorsal base of proximal phalanx of thumb

64
Q

Extensor pollicis brevis innervation

A

Radial nerve (posterior interosseous nerve)

65
Q

Extensor pollicis brevis blood supply

A

Posterior interosseous artery

66
Q

Extensor pollicis brevis actions

A

Extends proximal phalanx of thumb at carpometacarpal joint

67
Q

Extensor pollicis longus origin

A

Posterior surface of middle third of ulna, interosseous membrane

68
Q

Extensor pollicis longus insertion

A

Dorsal base of distal phalanx of thumb

69
Q

Extensor pollicis longus innervation

A

Radial nerve (posterior interosseous nerve)

70
Q

Extensor pollicis longus blood supply

A

Posterior interosseous artery

71
Q

Extensor pollicis longus actions

A

Extends distal phalanx of thumb at interphalangeal and metacarpophalangeal joints

72
Q

Flexor carpi radialis origin

A

Medial epicondyle of humerus

73
Q

Flexor carpi radialis insertion

A

Base of 2nd metacarpal

74
Q

Flexor carpi radialis innervation

A

Median nerve

75
Q

Flexor carpi radialis blood supply

A

Radial artery

76
Q

Flexor carpi radialis actions

A

Flexes and abducts hand at wrist

77
Q

Flexor carpi ulnaris superficial head origin

A

Medial epicondyle of humerus

78
Q

Flexor carpi ulnaris deep head origin

A

Olecranon and posterior border of ulna

79
Q

Flexor carpi ulnaris insertion

A

Pisiform bone, hook of hamate bone, base of 5th metacarpal

80
Q

Flexor carpi ulnaris innervation

A

Ulnar nerve

81
Q

Flexor carpi ulnaris blood supply

A

Posterior ulnar recurrent artery

82
Q

Flexor carpi ulnaris actions

A

Flexes and adducts hand at wrist

83
Q

Flexor digiti minimi brevis origin

A

Flexor retinaculum and hook of hamate bone

84
Q

Flexor digiti minimi brevis insertion

A

Medial side of base of proximal phalanx of little finger

85
Q

Flexor digiti minimi brevis innervation

A

Ulnar nerve (deep branch)

86
Q

Flexor digiti minimi brevis blood supply

A

Deep palmar branch of ulnar artery

87
Q

Flexor digiti minimi brevis actions

A

Flexes proximal phalanx of little finger

88
Q

Flexor digitorum profundus origin

A

Medial and anterior surface of proximal 3/4 of ulna and interosseous membrane

89
Q

Flexor digitorum profundus insertion

A

Palmar base of distal phalangeal bones of medial four digits

90
Q

Flexor digitorum profundus innervation

A

Medial part: ulnar nerve
Lateral part: median nerve

91
Q

Flexor digitorum profundus blood supply

A

Anterior interosseous artery, muscular branches of ulnar artery

92
Q

Flexor digitorum profundus actions

A

Flexes distal phalangeal bones of medial four digits, assists with flexion of hand at wrist

93
Q

Flexor digitorum superficialis humeroulnar head

A

Medial epicondyle of humerus, coronoid, process of ulna, ulnar collateral ligament

94
Q

Flexor digitorum superficialis radial head

A

Superior half of anterior radius

95
Q

Flexor digitorum superficialis insertion

A

Bodies of middle phalangeal bones of medial four digits

96
Q

Flexor digitorum superficialis innervation

A

Median nerve

97
Q

Flexor digitorum superficialis blood supply

A

Ulnar and radial arteries

98
Q

Flexor digitorum superficialis actions

A

Flexes middle and proximal phalangeal bones of medial four digits, flexes hand at wrist

99
Q

Flexor pollicis brevis origin

A

Flexor retinaculum and tubercle of trapezium bone

100
Q

Flexor pollicis brevis insertion

A

Lateral side of base of proximal phalanx of thumb

101
Q

Flexor pollicis brevis innervation

A

Median nerve (recurrent branch)

102
Q

Flexor pollicis brevis blood supply

A

Superficial palmar branch of radial artery

103
Q

Flexor pollicis brevis actions

A

Flexes proximal phalanx of thumb

104
Q

Flexor pollicis longus origin

A

Anterior surface of radius and interosseous membrane

105
Q

Flexor pollicis longus insertion

A

Palmar base of distal phalanx of thumb

106
Q

Flexor pollicis longus innervation

A

Median nerve (anterior interosseous nerve)

107
Q

Flexor pollicis longus blood supply

A

Anterior interosseous artery

108
Q

Flexor pollicis longus actions

A

Flexes phalangeal bones of thumb

109
Q

Palmaris longus origin

A

Medial epicondyle of humerus

110
Q

Palmaris longus insertion

A

Distal half of flexor retinaculum and palmar aponeurosis

111
Q

Palmaris longus innervation

A

Median nerve

112
Q

Palmaris longus blood supply

A

Posterior ulnar recurrent artery

113
Q

Palmaris longus actions

A

Flexes hand at wrist and tenses palmar aponeurosis

114
Q

Pectoralis major origin

A

Sternal half of clavicle, sternum to 7th rib, cartilages of true ribs, aponeurosis of external abdominal oblique muscle

115
Q

Pectoralis major insertion

A

Lateral lip of intertubercular sulcus of humerus

116
Q

Pectoralis major innervation

A

Medial and lateral pectoral nerves

117
Q

Pectoralis major blood supply

A

Pectoral branch of thoracoacromial artery, perforating branches of internal thoracic artery

118
Q

Pectoralis major actions

A

Flexes, adducts, and medially rotates arm

119
Q

Pectoralis minor origin

A

Outer surface of upper margin of ribs 3–5

120
Q

Pectoralis minor insertion

A

Coracoid process of scapula

121
Q

Pectoralis minor innervatino

A

Medial pectoral nerve

122
Q

Pectoralis minor blood supply

A

Pectoral branch of thoracoacromial artery, and superior and lateral thoracic arteries

123
Q

Pectoralis minor actions

A

Lowers lateral angle of scapula and protracts scapula

124
Q

Pronator quadratus origin

A

Distal fourth of anterior ulna

125
Q

Pronator quadratus insertion

A

Distal fourth of anterior radius

126
Q

Pronator quadratus innervation

A

Median nerve (anterior interosseous nerve)

127
Q

Pronator quadratus blood supply

A

Anterior interosseous artery

128
Q

Pronator quadratus actions

A

Pronates forearm

129
Q

Pronator teres origin

A

Two heads: medial epicondyle of humerus and coronoid process of ulna

130
Q

Pronator teres insertion

A

Midway along lateral surface of radius

131
Q

Pronator teres innervation

A

Median nerve

132
Q

Pronator teres blood supply

A

Anterior ulnar recurrent artery

133
Q

Pronator teres actions

A

Pronates forearm and weakly flexes elbow

134
Q

Serratus anterior origin

A

Lateral surfaces of upper 8–9 ribs

135
Q

Serratus anterior insertion

A

Costal surface of medial border of scapula

136
Q

Serratus anterior innervation

A

Long thoracic nerve

137
Q

Serratus anterior blood supply

A

Lateral thoracic artery

138
Q

Serratus anterior actions

A

Protracts and rotates scapula and holds it against thoracic wall

139
Q

Subclavius origin

A

Upper border of 1st rib and its cartilage

140
Q

Subclavius insertion

A

Inferior surface of middle third of clavicle

141
Q

Subclavius innveration

A

Nerve to subclavius

142
Q

Subclavius blood supply

A

Clavicular branch of thoracoacromial artery

143
Q

Subclavius actions

A

Anchors and depresses clavicle

144
Q

Supinator origin

A

Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator fossa, and crest of ulna

145
Q

Supinator insertion

A

Lateral, posterior, and anterior surfaces of proximal third of radius

146
Q

Supinator innervation

A

Radial nerve (deep branch)

147
Q

Supinator blood supply

A

Radial recurrent artery, posterior interosseous arteries

148
Q

Supinator actions

A

Supinates forearm

Anatomy (23 decks)

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