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1st Trimester > Gross Lab Practical > Flashcards

Gross Lab Practical Flashcards

1
Q

Pectoralis Major Origin

A
  1. Clavicle
  2. Sternum and upper ribs
  3. Tendon of the External Oblique muscle
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2
Q

Pectoralis Major Insertion

A
  1. Greater Tubercle

2. Inter-Tubercular Groove/Humerus

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3
Q

Pectoralis Major Actions

A
  1. ADduction and Medial Rotation of Humerus
  2. Forced Inspiration by elevating the rib cage when the humerus is fixed
  3. Clavicular Portion: Flexes Humerus at shoulder joint
  4. Sternocostal Portion: Extends Humerus at shoulder joint
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4
Q

Pectoralis Major Nerve Supply

A

Medial Pectoral Nerve

Lateral Pectoral Nerve

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5
Q

Pectoralis Minor Origin

A

Ribs 3-5

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6
Q

Pectoralis Minor Insertion

A

Coracoid Process

Scapula

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7
Q

Pectoralis Minor Actions

A
  1. Involved with protaction/ABduction of the scapula

2. Elevates ribcage and thus involved with forced inspiration

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8
Q

Pectoralis Minor Nerve Supply

A

Medial Pectoral Nerve

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9
Q

Subclavius Origin

A

First Rib

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10
Q

Subclavius Insertion

A

Subclavian Groove/ Clavicle

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11
Q

Subclavius Action

A
  1. Moves clavicle medially

2. Acts as a protective cushion between clavicle and subclavian vessels

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12
Q

Subclavius Nerve Supply

A

Nerve to the Subclavius

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13
Q

Trapezius Origin

A
  1. Superior nuchal line/occiput
  2. External occipital protuberance
  3. Ligamentum Nuchae
  4. Spines of C7-T12
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14
Q

Trapezius Insertions

A
  1. Clavicle

2. Acromion Process and Spine of Scapula

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15
Q

Trapezius Actions

A
  1. Stabilizes the scapula (holds it in normal anatomical position)
  2. Upper portion: elevates scapula
  3. Middle and Lower portions: ADducts scapula; depresses scapula
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16
Q

Trapezius Nerve Supply

A

Motor: Spinal Accesory nerve (CN XI)
Sensory: C3, C4

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17
Q

Rhomboid Major Origin

A

Spine/Upper Thoracics

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18
Q

Rhomboid Major Insertion

A

Vertebral Border/ Scapula

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19
Q

Rhomboid Major Actions

A
  1. Elevate and ADducts scapula

2. Helps stabilize scapula

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20
Q

Rhomboid Major Nerve Supply

A

Dorsal Scapular nerve

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21
Q

Rhomboid Minor Origin

A

C7 and T1 vertebrae

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22
Q

Rhomboid Minor Insertions

A

Vertebral border of the Scapula

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23
Q

Rhomboid Minor Actions

A
  1. Elevates and ADducts scapula

2. Helps stabilize the scapula

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24
Q

Rhomboid Minor Nerve Supply

A

Dorsal Scapular Nerve

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25
Q

Levator Scapula Origin

A

Transverse processes of upper cervical vertebrae

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26
Q

Levator Scapula Insertions

A

Upper medial border and superior angle of the Scapula

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27
Q

Levator Scapula Actions

A
  1. Elevates scapula
  2. ADducts scapula
  3. Stabilizes scapula
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28
Q

Levator Scapula Nerve Supply

A

Dorsal Scapular Nerve

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29
Q

Latissimus Dorsi Origin

A
  1. Spines of Lower Thoracic and Lumar Vertebrae
  2. Thoracodorsal Fascia
  3. Crest of the Ilium
  4. Lower Ribs
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30
Q

Latissimus Dorsi Insertion

A

Intertubercular Groove (Lesser Tubercle)

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31
Q

Latissimus Dorsi Actions

A
  1. Extends, adduct and medially rotates the humerus

2. Involved in forced expiration

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32
Q

Latissimus Dorsi Nerve Supply

A

Thoracodorsal nerve

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33
Q

Serratus Anterior Origin

A

Upper 8 or 9 ribs

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34
Q

Serratus Anterior Insertion

A

Vertebral border of the scapula

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35
Q

Serratus Anterior Actions

A
  1. ABduction and Protraction of scapula
  2. Stabilizes the scapula
  3. Involved with forced respiration (only when humerus is aBducted)
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36
Q

Serratus Anterior Nerve Supply

A

Long Thoracic Nerve

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37
Q

Deltoid Origin

A
  1. Anterior/clavicular portion from clavicle
  2. Middle/acromial portion from the acromion process of scapula
  3. Posterior/Spinous portion
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38
Q

Deltoid Insertion

A
  1. Deltoid

2. Tuberosity of Humerus

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39
Q

Deltoid Actions

A
  1. Anterior portion: Flexes and Medially rotates arm
  2. Middle portion: ABducts arm
  3. Posterior portion: Extends and Laterally rotates arm
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40
Q

Deltoid Innervation

A

Axillary nerve

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41
Q

Supraspinatus Origin

A

Supraspinous fossa of scapula

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42
Q

Supraspinatus Insertion

A

Geater tuberosity of the humerus

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43
Q

Supraspinatus Actions

A
  1. Initiates ABduction of the arm
  2. Helps laterally rotate humerus
  3. Helps stabilize shoulder joint
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44
Q

Supraspinatus Innervation

A

Suprascapular nerve

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45
Q

Infraspinatus Origin

A

Infraspinous fossa of the scapula

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46
Q

Infraspinatus Insertion

A

Greater Tuberosity of the Humerus

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47
Q

Infraspinatus Actions

A
  1. Laterally rotates humerus

2. Stabilizes shoulder joint

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48
Q

Infraspinatus Innervation

A

Suprascapular nerve

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49
Q

Subscapularis Origin

A

Subscapular fossa of the Scapula

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50
Q

Subscapularis Insertion

A

Lesser Tuberosity of the Humerus

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51
Q

Subscapularis Actions

A
  1. Medially rotates humerus

2. Stabilizes shoulder joint

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52
Q

Subscapularis Innervation

A

Upper and Lower Subscapular nerve

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53
Q

Teres Major Origin

A

Inferior angle of the Scapula

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54
Q

Teres Major Insertion

A

Interbercular groove (lesser tuberosity)

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55
Q

Teres Major Actions

A
  1. ADducts humerus
  2. Stabilizes shoulder joint
  3. Medially rotates Humerus
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56
Q

Teres Major Innervation

A

Lower Subscapular Nerve

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57
Q

Teres Minor Origin

A

Axillary border of the scapula

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58
Q

Teres Minor Insertion

A

Greater Tuberosity of the Humerus

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59
Q

Teres Minor Actions

A
  1. Laterally rotates humerus

2. Stabilizes shoulder joint

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60
Q

Teres Minor Innervation

A

Axillary nerve

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61
Q

Biceps Brachii Origin

A

Short head: Coracoid Process of the Scapula

Long Head: Supraglenoid tubercle of the scapula

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62
Q

Biceps Brachii Insertion

A
  1. Tuberosity of the Radius

2. Shaft of the Ulna

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63
Q

Biceps Brachii Actions

A
  1. Flexion of forearm

2. Supinates the Radius (Prime Mover)

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64
Q

Biceps Brachii Innervation

A

Musculocutaneous Nerve

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65
Q

Coracobrachialis Origin

A

Coracoid porcess of the Scapula

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66
Q

Coracobrachialis Insertion

A

Shaft of the Humerus

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67
Q

Coracobrachialis Actions

A
  1. Flex and weak ADduction of arm (shoulder joint)

2. Stabilizes shoulder joint

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68
Q

Coracobrachialis Innervation

A

Musculocutaneous Nerve

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69
Q

Brachialis Origin

A

Shaft of the humerus

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70
Q

Brachialis Insertion

A

Ulnar tuberosity and Coronoid process of the Ulna

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71
Q

Brachialis Actions

A

Flexes forearm (equal prime mover)

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72
Q

Brachialis Innervation

A

Musculocutaneous Nerve

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73
Q

Triceps Brachii Origin

A

Long Head: Infraglenoid tubercle of the Scapula
Lateral Head: Shaft of the Humerus
Medial Head: Shaft of the Humerus

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74
Q

Triceps Brachii Insertion

A

Olecranon Process of the Ulna

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75
Q

Triceps Brachii Actions

A

Extension of the forearm

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76
Q

Triceps Brachii Innervation

A

Radial Nerve

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77
Q

Pronator Teres Origin

A
  1. Medial Epicondyle of the Humerus

2. Coronoid Process of the Ulna

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78
Q

Pronator Teres Insertion

A

Pronator Ridge of the Radius

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79
Q

Pronator Teres Actions

A
  1. Pronates forearm at superior radioulnar joint

2. Assists flexion at elbow joint

80
Q

Pronator Teres Innervation

A

Median Nerve

81
Q

Flexor Carpi Radialis Origin

A

Medial Epicondyle of the Humerus

82
Q

Flexor Carpi Radialis Insertion

A

2nd metacarpal with small slip to 3rd metacarpal

83
Q

Flexor Carpi Radialis Actions

A
  1. Equal prime mover for flexion of hand @ wrist joint

2. Assists in aBduction of the hand

84
Q

Flexor Carpi Radialis Innervation

A

Median Nerve

85
Q

Palmaris Longus Origin

A

Medial Epicondyle of the Humerus

86
Q

Palmaris Longus Insertion

A

Palmar Aponeurosis

87
Q

Palmaris Longus Actions

A
  1. Helps Flex hand

2. Tightens palmer aponeurosis of palm/helps with palmar grip

88
Q

Palmaris Longus Innervation

A

Median nerve

89
Q

Flexor Carpi Ulnaris Origin

A
  1. Medial Epicondyle of the Humerus

2. Olceranon Process of Ulna

90
Q

Flexor Carpi Ulnaris Insertion

A

Pisiform, hamate and 5th metacarpal

91
Q

Flexor Carpi Ulnaris Actions

A
  1. Equal Prime mover for flexion of hand (@wrist joint)

2. aDducts hands

92
Q

Flexor Carpi Ulnaris innervation

A

Ulnar Nerve

93
Q

Flexor Digitorum Superficialis Origin

A

Shaft of the Radius

Medial Epicondyle of the Humerus

94
Q

Flexor Digitorum Superficialis Insertion

A

Middle Phalanges/ digits 2-5

95
Q

Flexor Digitorum Superficialis Actions

A
  1. Flexes PI joints of digits 2-5

2. Helps flex hand

96
Q

Flexor Digitorum Superficialis Innervations

A

Median Nerve

97
Q

Flexor Digitorum Profundus Origin

A

Interosseous membrane

Shaft of the Ulna

98
Q

Flexor Digitorum Profundus Insertion

A

Distal phalanges

Digits 2-5

99
Q

Flexor Digitorum Actions

A
  1. Flexes the DIP joints of digits 2-5

2. Helps flex hand

100
Q

Flexor Digitorum Profundus Innervation

A

Ulnar Nerve and Median Nerve

101
Q

Flexor Pollicis Longus Origin

A

Interosseous membrane

Shaft of the Radius

102
Q

Flexor Pollicis Longus Insertion

A

Distal Phalanx

Digit 1

103
Q

Flexor Pollicis Longus Actions

A

Flexes the thumb (digit 1) @ IP joint

104
Q

Flexor Pollicis Longus Innervation

A

Median Nerve

105
Q

Pronator Quadratus Origin

A

Distal anterior

Shaft of the Ulna

106
Q

Pronator Quadratus Insertions

A

Distal Anterior Shaft of the Radius

107
Q

Pronator Quadratus Actions

A
  1. Pronation of forearm @ the inferior radial-ulnar joint

2. Helps stabilize the inferior-radial-ulnar joint

108
Q

Pronator Quadratus Innervation

A

Median Nerve

109
Q

Brachioradialis Origin

A

Lateral supracondylar ridge of the Humerus

110
Q

Brachioradialis Insertion

A

Styloid Process of the Radius

111
Q

Brachioradialis Actions

A
  1. Helps flex forearm

2. Pronates and supinates the forearm

112
Q

Brachioradialis Innervation

A

Radial Nerve

113
Q

Extensor Carpi Radialis Longus Origin

A

Lateral epicondyle of the Humerus

114
Q

Extensor Carpi Radialis Longus Insertion

A

2nd Metacarpal

115
Q

Extensor Carpi Radialis Longus Actions

A
  1. Extend the hand

2. ABducts the hand

116
Q

Extensor Carpi Radialis Longus Innervation

A

Radial Nerve

117
Q

Extensor Carpi Radialis Brevis Origin

A

Lateral epicondyle of the humerus

118
Q

Extensor Carpi Radialis Brevis Insertion

A

3rd Metacarpal

119
Q

Extensor Carpi Radialis Brevis Actions

A
  1. Extend the hand

2. ABduct the hand

120
Q

Extensor Carpi Radialis Brevis Innervation

A

Radial Nerve

121
Q

Extensor Digitorum (Maximus) Origin

A

Lateral Epicondyle of the Humerus

122
Q

Extensor Digitorum (Maximus) Insertion

A

Middle Phalanx of digits 2-5

123
Q

Extensor Digitorum (Maximus) Actions

A
  1. Extends digits 2-5

2. Extend the hand

124
Q

Extensor Digitorum (Maximus) Innervation

A

Radial Nerve

125
Q

Enxtensor Digiti Minimi Origin

A

Lateral Epicondyle of the Humerus

126
Q

Extensor Digiti Minimi Insertion

A

Proximal Phalanx of digit 5

127
Q

Extensor Digiti Minimi Actions

A

Extends digit 5 (little finger)

128
Q

Extensor Digiti Minimi Innervation

A

Radial Nerve

129
Q

Extensor Carpi Ulnaris Origin

A

Shaft of the Ulna

Lateral Epicondyle of the Humerus

130
Q

Extensor Carpi Ulnaris Insertion

A

5th Metacarpal

131
Q

Extensor Carpi Ulnaris Actions

A
  1. Extend the hand

2. Helps ADduct the hand

132
Q

Extensor Carpi Ulnaris Innervation

A

Radial Nerve

133
Q

Supinator Origin

A
  1. Lateral Epicondyle of the Humerus

2. Supinator crest of the Ulna

134
Q

Supinator Insertion

A

Shaft of the Radius

135
Q

Supinator Actions

A

Supinates forearm

136
Q

Supinator Innervation

A

Radial Nerve

137
Q

ABductor Pollicis Longus Origin

A

Interosseus Membrane

Shaft of the Ulna and Radius

138
Q

ABductor Pollicis Longus Insertion

A

1st Metacarpal

139
Q

ABductor Pollicis Longus Actions

A
  1. ABducts digit 1 @ CM joint
140
Q

ABductor Pollicis Longus Innervation

A

Radial Nerve

141
Q

Extensor Pollicis Brevis Origin

A

Interosseous membrane

Shaft of the Radius

142
Q

Extensor Pollicis Brevis Insertion

A

Proximal phalanx of digit 1

143
Q

Extensor Pollicis Brevis Actions

A

Extends digit at MP joint

144
Q

Extensor Pollicis Brevis Innervation

A

Radial Nerve

145
Q

Extensor Pollicis Longus Origin

A

Interosseous mebrane

Shaft of the Ulna

146
Q

Extensor Pollicis Longus Insertion

A

Distal Phalanx of Digit 1

147
Q

Extensor Pollicis Longus Actions

A

Extends digit 1 @ IP joint

148
Q

Extensor Pollicis Longus Innervation

A

Radial Nerve

149
Q

Extensor Indicis Origin

A

Interosseous membrane

Shaft of the Ulna

150
Q

Extensor Indicis Insertion

A

Proximal phalanx of digit 2

151
Q

Extensor Indicis Action

A

Extends digit 2

152
Q

Extensor Indicis Innervation

A

Radial Nerve

153
Q

Aconeus Origin

A

Lateral Epicondyle of the Humerus

154
Q

Anconeus Insertion

A

Olecranon process of the Ulna

Posterior Proximal Shaft of the Ulna

155
Q

Anconeus actions

A

Extends Forearm

156
Q

Anconeus Innervation

A

Radial Nerve

157
Q

ABductor Pollicis Brevis Origin

A

Trapezium and Scaphoid

158
Q

ABductor Pollicis Brevis Insertion

A

Proximal phalanx of digit 1

159
Q

ABductor Pollicis Brevis Actions

A

ABducts digit 1 @ MP joint

160
Q

ABductor Pollicis Brevis Actions

A

Median Nerve

161
Q

Opponens Pollicis Origin

162
Q

Opponens Pollicis Insertion

A

1st Metacarpal

163
Q

Opponens Pollicis Actions

A

Medially Rotates 1st metacarpal

164
Q

Opponens Pollicis Innervation

A

Median Nerve

165
Q

Flexor Pollicis Brevis Origin

A

Trapezium, Trapezoid and Capitate bones

166
Q

Flexor Pollicis Brevis Insertion

A

Proximal phalanx of digit 1

167
Q

Flexor Pollicis Brevis Action

A

Flexes digit 1 @ MP joint

168
Q

Flexor Pollicis Longus Innervation

A

Ulnar nerve and Median Nerve

169
Q

ADductor Pollicis Origin

A
  1. Trapezoid, Capitate, 2nd and 3rd Metacarpals (Oblique Head)
  2. 3rd Metacarpal (transverse head)
170
Q

ADductor Pollicis Insertion

A

Proximal phalanx of digit 1

171
Q

ADductor Pollicis Action

A

ADducts digit 1

172
Q

ADductor Pollicis Innervation

A

Ulnar Nerve

173
Q

ABductor Digiti Minimi Origin

174
Q

ABductor Digiti Minimi Insertion

A

Proximal phalanx of digit 5

175
Q

ABductor Digiti Minimi Action

A

ABducts digit 5

176
Q

ABductor Digiti Minimi Innervation

A

Ulnar Nerve

177
Q

Flexor Digiti Minimi Origin

178
Q

Flexor Digiti Minimi Insertion

A

Proximal phalanx of digit 5

179
Q

Flexor Digiti Minimi Action

A

Flexes digit 5 @ MP joint

180
Q

Flexor Digiti Minimi Innervation

A

Ulnar Nerve

181
Q

Opponens Digiti Minimi Origin

182
Q

Opponens Digiti Minimi Insertion

A

5th metacarpal

183
Q

Opponens Digiti Minimi Action

A

Laterally rotates 5th metacarpal

184
Q

Opponens Digiti Minimi Innervation

A

Ulnar Nerve

185
Q

Lumbricales Origin

A

Tendons of the Flexor Digitorum Profundus Muscle

186
Q

Lumbricales Insertion

A

Tendons of the Extensor Digitorum Muscle

187
Q

Lumbricales Actions

A
  1. Flexes MP joints

2. Extends IP joint

188
Q

Lumbricales Innervation

A

1st and 2nd lumbricales-Median Nerve

3rd and 4th lumbricales- Ulnar Nerve

189
Q

Dorsal Interossei Origin

A

2nd, 3rd, and 4th metcarpals

190
Q

Dorsal Interossei Insertion

A

Proximal phalanx of digits 2,3,4

191
Q

Dorsal Interossei Actions

A
  1. ABduct digits 2-4
  2. Flex MP joints
  3. Extend IP joints
192
Q

Dorsal Interossei Innervation

A

Ulnar Nerve

193
Q

Palmar Interossei Origin

A

2nd, 3rd, 4th and 5th metacarpals

194
Q

Palmar Interossei Insertions

A

Proximal phalanx of digits 2, 4 and 5

195
Q

Palmar Interossei Actions

A
  1. ADducts digits 2, 4 and 5
  2. Flex MP joints
  3. Extend IP joints
196
Q

Palmar Interossei Innervation

A

Ulnar Nerve

1st Trimester (4 decks)

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