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basic science > Anatomy: Upper extremity > Flashcards

Anatomy: Upper extremity Flashcards

1
Q

Origin of Pronator Teres

A

Humeral Head: Medial Epicondyle Ulnar (deep) Head: Proximal antererolateral ulna

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2
Q

Origin of FCR

A

Medial epicondyle

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3
Q

Origin of Palmaris Longus

A

Medial epicondyle

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4
Q

Origin of the FCU

A

Medial epicondyle and Posterior ulna

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5
Q

Origin of FDS

A
  1. Medial epicondyle and proximal ulna 2. Anterior proximal radius
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6
Q

Origin of FDP

A

Proximal 3/4 of medial and anterior ulna and interosseous membrane

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7
Q

Origin of FPL

A

Anterior radius and interossous membrane

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8
Q

Origin of Pronator Quadratus

A

Distal 1/4 of anterior surfaceof ulna

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9
Q

Origin of Anconeus

A

Posterior aspect of Lateral Epicondyle

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10
Q

Origin of EDC

A

Lateral Epicondyle

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11
Q

Origin of EDM

A

Lateral Epicondyle

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12
Q

Origin of ECU

A

Lateral Epicondyle and posterior border of ulna

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13
Q

Origin of Brachioradialis

A

Lateral Condyle

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14
Q

Origin of ECRL

A

Lateral Condyle

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15
Q

Origin of ECRB

A

Lateral Epicondyle

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16
Q

Origin of Supinator

A

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

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17
Q

Origin of APL

A

Posterior Radius, Ulna, and Interosseous Membrane

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18
Q

Origin of EPB

A

Posterior radius and interosseous membrane

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19
Q

Origin of EPL

A

Posterior middle 1/3 of ulna and interosseous membrane

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20
Q

Origin of Extensor Indicis proprius

A

Posterior surface of ulna and interosseous membrane

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21
Q

Origin of Opponens Pollicis

A

flexor retinaculum and tubercle of trapezium bone

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22
Q

Origin of Abductor Pollicis Brevis

A

Flexor retinaculum and tubercles of scaphoid and trapezium

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23
Q

Origin of Flexor Pollicis Brevis

A

Flexor retinaculum and tubercles of scaphoid and trapezium

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24
Q

Origin of Adductor Pollicis

A

oblique head: bases of 2nd and 3rd metacarpals, and capitate; transverse head: 3rd metacarpal

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25
Q

Origin of Palmaris Brevis

A

Transverse carpal ligament

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26
Q

Origin of abductor digiti minimi

A

pisiform

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27
Q

Origin of flexor digiti minimi brevis

A

hook of hamate and flexor retinaculum

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28
Q

Origin of Opponens digiti minimi

A

hook of hamate and flexor retinaculum

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29
Q

Origin of Dorsal interossei (4)

A

dorsal metacarpal shafts of the adjacent 2 metacarpals

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30
Q

Origin of Palmar interossei (3)

A

palmar surfaces of 2nd, 4th, an d5th metacarpals

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31
Q

Origin of Lumbrical Muscles

A

FDP

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32
Q

Insertion of Pronator Teres

A

Middle 1/3 of lateral surface of radius

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33
Q

Insertion of FCR

A

Base of the 2nd metacarpal

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34
Q

Insertionof Palmaris Longus

A

Distal 1/2 of flexor retinaculum and palmar aponeurosis

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35
Q

Insertion of FCU

A

Pisiform, hook of hamate, 5th metacarpal

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36
Q

Insertion of FDS

A

volar aspect of medial and lateral middle phalanx bases 2-5

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37
Q

Insertion of FDP

A

Base of the distal phalanxes of 2-5

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38
Q

Insertion of FPL

A

Base of the distal phalanx of thumb

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39
Q

Insertion of Pronator Quadratus

A

Distal 1/4 of anterior surface of radius

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40
Q

Insertion of Anconeus

A

Lateral surface of olecranon and superior part of posterior surface of ulna

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41
Q

Insertion of EDC

A

Extensor expansions of digits 2-5

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42
Q

Insertion of EDM

A

Extensor expansions of 5th digit

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43
Q

Insertion of ECU

A

Base of the 5th metacarpal

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44
Q

Insertion of Brachioradialis

A

lateral surface of radial styloid

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45
Q

Insertion of ECRL

A

Base of the 2nd metacarpal

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46
Q

Insertion of ECRB

A

Base of the 3rd metacarpal

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47
Q

Insertion of Supinator

A

Lateral, posterior, and anterior surfaces of proximal 1/3 of radius

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48
Q

Insertion of APL

A

Base of 1st metacarpal

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49
Q

Insertion of EPB

A

Base of proximal phalanx

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50
Q

Insertion of EPL

A

base of 1st distal phalanx

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51
Q

Insertion of Extensor Indicis Proprius

A

extensor expansion of 2nd digit

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52
Q

Insertion of Opponens Pollicis

A

lateral side of 1st metacarpal bone

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53
Q

Insertion of Abductor Pollicis Brevis

A

Lateral side of base of 1st proximal phalanx

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54
Q

Insertion of Flexor Pollicis Brevis

A

Lateral side of base of 1st proximal phalanx

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55
Q

Insertion of Adductor Pollicis

A

medial side of the base of 1st proximal phalanx

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56
Q

Insertion of Palmaris Brevis

A

Skin on medial palm

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57
Q

Insertion of abductor digiti minimi

A

medial side of base of 5th proximal phalanx

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58
Q

Insertion of flexor digiti minimi brevis

A

medial side of base of 5th proximal phalanx

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59
Q

Insertion of opponens digiti minimi

A

medial side of 5th metacarpal

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60
Q

Insertion of Dorsal interossei

A

extensor expansions and bases of proximal phalanxes of 2-4; 1,2 to radial aspect; 3,4 to ulnar aspect

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61
Q

Insertion of Palmar interossei

A

extensor expansios of digits and bases of proximal phalanges of digits 2,4, and 5

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62
Q

Insertion of Lumbricals

A

radial lateral band of extensor expansion

63
Q

Action of Pronator Teres

A

Pronates and flexes forearm (at elbow)

64
Q

Action of FCR

A

Flexes and abducts wrist

65
Q

Action of Palmaris longus

A

flexes wrist and tightens palmaris aponerosis

66
Q

Action of FCU

A

Flexes and adducts wrist

67
Q

Action of FDS

A

Flexes PIP and MCP joints of 2-5

68
Q

Action of FDP

A

flexes DIP of 2-5; some wrist flexion

69
Q

Action of FPL

A

Fleses 1st IPJ

70
Q

Action of Pronator Quadratus

A

Pronates forearm; deep fibers bind radius and ulna together

71
Q

Action of Anconeus

A

assists w elbow extension; abducts ulna during pronation

72
Q

Action of EDC

A

Extends MCPJ of 2-5; extends wrist

73
Q

Action of EDM

A

extends 5th MCP, PIP, and DIP jnts

74
Q

Action of ECU

A

Wrist extension and adduction

75
Q

Action of Brachioradialis

A

flexes elbow

76
Q

Action of ECRL

A

wrist extension and radial deviation

77
Q

Action of ECRB

A

wrist extension and radial deviation

78
Q

Action of Supinator

A

Supinates forearm

79
Q

Action of APL

A

Abducts thumb and extends CMC jnt

80
Q

Action of EPB

A

Extends 1st MCP

81
Q

Action of EPL

A

extends 1st IP and CMC

82
Q

Action of Extensor Indicis Proprius

A

extends 2nd digit

83
Q

Action of Opponens Pollicis

A

opposes thumb toward center of palm and rotates it medially

84
Q

Action of Abductor Pollicis Brevis

A

abducts them and helps w opposition

85
Q

Action of Flexor Pollicis Brevis

A

flexes thumb

86
Q

Action of Adductor Pollicis

A

Thumb adduction and thumb MCP

87
Q

Action of Palmaris Brevis

A

Wrinkles skin

88
Q

Action of abductor digiti minimi

A

abducts 5th digit

89
Q

Action of flexor digiti minimi brevis

A

flexes 5th PIP

90
Q

Action of Opponens digiti minimi

A

Opposition (draws 5th digit anteriorly and radially rotastes)

91
Q

Action of Dorsal interossei

A

abducts digits from axial line; aids lumbricals

92
Q

Action of Palmer interossei

A

adduct towards axial line; aids lumbricals

93
Q

Action of Lumbricals

A

flexes MCPJs and extends IPJs

94
Q

Innervation of Pronator Teres

A

Median Nerve (C6,7)

95
Q

Innervation of Pronator Teres

A

Median Nerve (C6,7)

96
Q

Innervation Palmaris Longus

A

Median Nerve (C7,8)

97
Q

Innervation of FCU

A

ulnar nerve (C7,8)

98
Q

Innervation of FDS

A

Median nerve (C7, C8, T1)

99
Q

Innervation of FDP

A

Medial part: Ulnar nerve (C8-T1); Lateral part: AIN (of median nerve C8-T1)

100
Q

Innervation of FPL

A

AIN (of median nerve C8-T1)

101
Q

Innervation of Pronator Quadratus

A

AIN (of median nerve C8-T1)

102
Q

Innervation of Anconeus

A

Radial N. (C7, C8, T1)

103
Q

Innervation of EDC

A

PIN (radial n. C7-8)

104
Q

Innervation of EDM

A

PIN (radial n. C7-8)

105
Q

Innervation of ECU

A

PIN (radial n. C7-8)

106
Q

Innervation of Brachioradialis

A

radial N. (C5-7)

107
Q

Innervation of ECRL

A

radial n. (C6-7)

108
Q

Innervation of ECRB

A

PIN (radial n. C7-8)

109
Q

Innervation of Supinator

A

PIN (radial n. C7-8)

110
Q

Innervation of APL

A

PIN (radial n. C7-8)

111
Q

Innervation of EPB

A

PIN (radial n. C7-8)

112
Q

Innervation of EPL

A

PIN (radial n. C7-8)

113
Q

Innervation of Extensor Indicis Proprius

A

PIN (radial n. C7-8)

114
Q

Innervation of Opponens Pollicis

A

Recurrent branch of median nerve (C8-T1)

115
Q

Innervation of Abductor Pollicis Brevis

A

Recurrent branch of median nerve (C8-T1)

116
Q

Innervation of Flexor Pollicis Brevis

A

Recurrent branch of median nerve (C8-T1); deep part innervated by deep branch of ulnar nerve

117
Q

Innervation of Adductor Pollicis

A

Deep branch of ulnar nerve (C8 and T1)

118
Q

Innervation of Palmaris Brevis

A

ulnar nerve (C7,8)

119
Q

innervation of abductor digiti minimi

A

Deep branch of ulnar nerve (C8 and T1)

120
Q

Innervation of flexor digiti minimi brevis

A

Deep branch of ulnar nerve (C8 and T1)

121
Q

Innervation of Opponens digiti minimi

A

Deep branch of ulnar nerve (C8 and T1)

122
Q

Innervation of Dorsal interossei

A

Deep branch of ulnar nerve (C8 and T1)

123
Q

Innervation of palmar interossei

A

Deep branch of ulnar nerve (C8 and T1)

124
Q

Innervation of Lumbricals

A

1st and 2nd- median n.; 3rd and 4th- ulnar n.

125
Q

Arterial Supply to Pronator Teres

A

Anterior recurrent ulnar artery

126
Q

Arterial supply to FCR

A

ulnar artery

127
Q

Aterial Supply to Palmaris Longus

A

ulnar artery

128
Q

Arterial Supply of FCU

A

Ulnar Artery

129
Q

Arterial Supply of FDS

A

Ulnar Artery

130
Q

Arterial Supply to FDP

A

Ulnar artery; anterior interosseous artery

131
Q

Arterial Supply to FPL

A

Anterior interosseous artery

132
Q

Arterial Supply to Quadratus

A

Anterior interosseous artery

133
Q

Arterial Supply to Anconeus

A

middle colalteral brance of deep brachial artery; recurrent interosseous artery

134
Q

Arterial Supply to EDC

A

Interosseous recurrent and posterior interossous arteries

135
Q

Arterial Supply to EDM

A

Interosseous recurrent artery

136
Q

Arterial Supply to ECU

A

Ulnar artery

137
Q

Arterial Supply to Brachioradialis

A

Radial recurrent artery

138
Q

Arterial Supply to ECRL

A

Radial Artery

139
Q

Arterial Supply to ECRB

A

Radial Artery

140
Q

Arterial Supply to Supinator

A

Recurrent interosseous artery

141
Q

Arterial Supply to APL

A

Posterior Interosseous Artery

142
Q

Arterial Supply to EPB

A

Posterior Interosseous Artery

143
Q

Arterial Supply to EPL

A

Posterior Interosseous Artery

144
Q

Arterial Supply to proprius

A

Posterior Interosseous Artery

145
Q

Arterial Suppy to Opponens Pollicis

A

Superficial palmar branch of the radial artery

146
Q

Arterial Supply of Abductor Pollicis Brevis

A

Superficial palmar branch of the radial artery

147
Q

Arterial Supply of Flexor Pollicis Brevis

A

Superficial palmar branch of the radial artery

148
Q

Arterial Supply of Adductor Pollicis

A

Deep palmar arterial arch

149
Q

Arterial Supply of abductor digiti mnimi

A

Ulnar artery

150
Q

Arterial Supply of flexor digiti minimi brevis

A

Ulnar artery

151
Q

Arterial Supply of Opponens digiti minimi

A

ulnar

152
Q

Arterial Supply of Dorsal interossei

A

dorsal (radial a.) and palmar metacarpal arteries

153
Q

Arterial Supply to interossei

A

Palmar metacarpal arteries

154
Q

Arterial Supply to Lumbricals

A

Palmar metacarpal arteries

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