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Anatomy > PRACTICAL 2: MUSCLES OIA'S > Flashcards

PRACTICAL 2: MUSCLES OIA'S Flashcards

1
Q

origin of masseter

A

zygomatic arch

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2
Q

insertion of masseter

A

mandibular angle of mandible, mandibular ramus of mandible

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3
Q

action of masseter

A

elevates masseter

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4
Q

origin of temporalis

A

temporal fossa of temporal bone

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5
Q

insertion of temporalis

A

coronoid process of mandible

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6
Q

action of temporalis

A

elevates mandible, and retracts mandible

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7
Q

origin of sternocleidomastoid

A

manubrium, medial clavicle

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8
Q

insertion of sterocleidomastoid

A

mastoid process of the temporal bone

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9
Q

action of sterocleidomastoid

A

flexes and rotates the head

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10
Q

origin of scalenes
(anterior,middle,posterior)

A

transverse processes of the cervical vertebrae

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11
Q

insertion of scalenes
(anterior,middle,posterior)

A

anterior surface of ribs 1 and 2

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12
Q

action of scalenes
(anterior,middle,posterior)

A

elevates ribs 1 and 2, flexes neck, rotates neck

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13
Q

origin of pectoralis major

A

sternal end of the clavicle, sternum, ribs 1-6

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14
Q

insertion of pectoralis major

A

greater tubercle of the humerus

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15
Q

action of pectoralis major

A

flexes humerus at shoulder, rotates humerus medially, adducts humerus

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16
Q

origin of pectoralis minor

A

ribs 3-5

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17
Q

insertion of pectoralis minor

A

coracoid process of the scapula

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18
Q

action of pectoralis minor

A

depresses scapula, rotates scapula downwards

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19
Q

origin of serratus anterior

A

ribs 1-8

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20
Q

insertion of serratus anterior

A

vertebral border of the scapula

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21
Q

action of serratus anterior

A

rotates scapula upwards, protracts scapula

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22
Q

origin of external intercostals

A

inferior border of ribs

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23
Q

insertion of external intercostals

A

superior border of ribs

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24
Q

action of external intercostals

A

elevates rib cage

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25
Q

origin of internal intercostals

A

superior border of ribs

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26
Q

insertion of internal intercostals

A

inferior border of ribs

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27
Q

action of internal intercostals

A

depresses rib cage

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28
Q

origin of external oblique

A

ribs 5-12

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29
Q

insertion of external oblique

A

linea alba, pubic crest of the pubis, pubic tubercle of the pubis, iliac crest of the ilium

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30
Q

action of external oblique

A

flexes and rotates vertebral column, compresses abdomen

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31
Q

origin of internal oblique

A

lumbar fascia, iliac crest of the ilium, inguinal ligament

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32
Q

insertion of internal oblique

A

linea alba, pubic crest of the pubis, ribs 9-12

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33
Q

action of internal oblique

A

flexes and rotates vertebral column, compresses abdomen

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34
Q

origin of rectus abdominis

A

pubic crest of the pubis, pubic symphysis

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35
Q

insertion of rectus abdominins

A

xiphoid process of sternum, ribs 5-7

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36
Q

action of rectus abdominis

A

flexes and rotates vertebral column, compresses abdomen

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37
Q

origin of iliacus

A

iliac fossa of ilium, ala of the sacrum

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38
Q

insertion of iliacus

A

lesser trochanter of the femur

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39
Q

action of iliacus

A

flexes thigh at hip, flexes trunk

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40
Q

origin of psoas major

A

transverse process of T12-L5

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41
Q

insertion of psoas major

A

lesser trochanter of the femur

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42
Q

action of psoas major

A

flexes thigh at hip, flexes trunk laterally

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43
Q

origin of deltoid

A

lateral 1/3 of clavicle, spine of scapula, acromion process of the scapula

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44
Q

insertion of deltoid

A

deltoid tuberosity of the humerus

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45
Q

action of deltoid

A

flexes forearm at elbow, stabilizes elbow during flexion and extension

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46
Q

origin of biceps brachii; long head

A

supraglenoid tubercle of the scapula

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47
Q

insertion of biceps brachii; long head

A

radial tuberosity of radius

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48
Q

action of biceps brachii; long head

A

flexes forearm at elbow, supinates forearm

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49
Q

origin of biceps brachii; short head

A

coracoid process of the scapula

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50
Q

insertion of biceps brachii; short head

A

radial tuberosity of the radius

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51
Q

action of biceps brachii; short head

A

flexes forearm at elbow, supinates forearm

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52
Q

origin of brachialis

A

anterior humerus

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53
Q

insertion of brachialis

A

coronoid process of the ulna

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54
Q

action of brachilalis

A

flexes forearm at elbow

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55
Q

origin of coracobrachialis

A

coracoid process of the scapula

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56
Q

insertion of coracobrachialis

A

medial surface of shaft of humerus

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57
Q

action of coracobrachialis

A

flexes humerus at shoulder, adducts humerus

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58
Q

origin of brachioradialis

A

lateral supracondylar ridge of the humerus

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59
Q

insertion of brachioradialis

A

styloid process of the radius

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60
Q

action of brachioradialis

A

flexes forearm at elbow, stabilizes elbow during flexion and extension

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61
Q

origin of extensor carpi radialis longus

A

lateral supracondylar ridge of the humerus

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62
Q

insertion of extensor carpi radialis longus

A

2nd metacarpal

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63
Q

action of extensor carpi radialis longus

A

extends hand at wrist, abducts hand

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64
Q

origin of extensor carpi radialis brevis

A

lateral epicondyle of the humerus

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65
Q

insertion of extensor carpi radialis brevis

A

3rd metacarpal

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66
Q

action of extensor carpi radialis brevis

A

extends hand at wrist, abducts hand

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67
Q

origin of extensor digitorum

A

lateral epicondyle of the humerus

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68
Q

insertion of extensor digitorum

A

distal phalanges of 2nd to 5th digit

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69
Q

action of extensor digitorum

A

extends distal interphalangeal joints, extends hand at wrist

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70
Q

origin of extensor carpi unlaris

A

lateral epicondyle of the humerus, posterior ulna

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71
Q

insertion of extensor carpi unlaris

A

5th metacarpal

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72
Q

action of extensor carpi unlaris

A

extends hand at wrist, adducts hand

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73
Q

origin of supinator

A

lateral epicondyle of the humerus, proximal ulna

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74
Q

insertion of supinator

A

proximal end of radius

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75
Q

action of supinator

A

supinates forearm

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76
Q

origin of abductor pollicis longus

A

posterior radius, posterior ulna, interosseous membrane

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77
Q

insertion of abductor pollicis longus

A

trapezium, 1st metacarpal

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78
Q

action of abductor pollicis longus

A

abducts pollex

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79
Q

origin of extensor pollicis brevis

A

posterior radius, posterior ulna, interosseous membrane

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80
Q

insertion of extensor pollicis brevis

A

proximal phalanx of pollex

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81
Q

action of extensor pollicis brevis

A

extends 1st metacarpal-phalangeal joint

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82
Q

origin of extensor pollicis longus

A

posterior radius, posterior ulna, interosseous membrane

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83
Q

insertion of extensor pollicis longus

A

distal phalanx pollex

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84
Q

action of extensor pollicis longus

A

extends 1st interphalangeal joint

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85
Q

origin of extensor indicis

A

posterior ulna, interosseous membrane

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86
Q

insertion of extensor indicis

A

distal phalanx of 2nd digit

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87
Q

action of extensor indicis

A

extends 2nd distal interphalangeal joint

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88
Q

origin of extensor digiti minimi

A

lateral epicondyle of the humerus

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89
Q

insertion of extensor digiti minimi

A

distal phalanx of 5th digit

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90
Q

action of extensor digti minimi

A

extends 5th distal interphalangeal joint

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91
Q

origin of sartorius

A

anterior superior iliac spine of ilium

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92
Q

insertion of sartorius

A

medial surface of proximal tibia

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93
Q

action sartorius

A

flexes thigh at hip, rotates thigh laterally, abducts thigh, flexes leg at knee

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94
Q

origin of tensor fascia(e) latae

A

anterior superior iliac spine of the ilium, iliac crest of the ilium

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95
Q

insertion of tensor fascia(e) latae

A

iliotibial tract

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96
Q

action of tensor fascia(e) latae

A

flexes thigh at hip, abducts thigh, rotates thigh medially

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97
Q

origin of iliopsoas

A

iliac fossa f the ilium, ala of the sacrum, transverse processes of T12-L5

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98
Q

insertion of ilipsoas

A

lesser trochanter of the femur

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99
Q

action of ilipsoas

A

flexes thigh at hip, flexes vertebral column

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100
Q

origin of pectineus

A

superior ramus of the pubis

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101
Q

insertion of pectineus

A

linea aspera of the femur

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102
Q

action of pectineus

A

adducts thigh, flexes thigh at hip, rotates thigh medially

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103
Q

origin of quadriceps femoris; rectus femoris

A

anterior inferior iliac spine of the ilium

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104
Q

insertion of quadriceps femoris; rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

A

patella and tibial tuberosity via tendon of quadriceps femoris and patellar ligament

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105
Q

action of quadriceps femoris; rectus femoris

A

extends leg at knee, flexes thigh at hip

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106
Q

origin of quadriceps femoris; vastus lateralis

A

greater trochanter, intertrochanteric line, and linea aspera of the femur

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107
Q

action of quadriceps femoris; vastus lateralis

A

extends leg at knee, stabilizes knee

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108
Q

origin of quadriceps femoris; vastus medialis

A

linea aspera, and intertrochanteric line of the femur

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109
Q

action of quadriceps femoris; vastus medialis

A

extends leg at knee, stabilizes patella

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110
Q

origin of quadriceps femoris; vastus intermedius

A

proximal shaft of the femur

111
Q

action of quadriceps femoris, vastus intermedius

A

extends leg at knee

112
Q

origin of gracilis

A

inferior ramus of the pubis, body of the pubis

113
Q

insertion of gracilis

A

medial surface of the tibia

114
Q

action of gracilis

A

adducts thigh, flexes leg at knee, rotates leg medially

115
Q

origin of adductor longus

A

pubis- near pubic symphysis

116
Q

insertion of adductor longus

A

linea aspera of the femur

117
Q

action of adductor longus

A

adducts thigh, flexes thigh at hip, rotates thigh medially

118
Q

origin of adductor brevis

A

body of pubis, inferior ramus of the pubis

119
Q

insertion of adductor brevis

A

linea aspera of the femur

120
Q

action of adductor brevis

A

adducts thigh, rotates thigh medially

121
Q

origin of adductor magnus

A

inferior ramus of the pubis, ischial ramus, and ischial tuberosity of the ischium

122
Q

insertion of adductor magnus

A

linea aspera and adductor tubercle of the femur

123
Q

action of adductor magnus

A

adducts thigh, rotates thigh medially, flexes thigh at hip

124
Q

origin of tibialis anterior

A

lateral condyle of the tibia, interosseous membrane

125
Q

insertion of tibialis anterior

A

medial cuneiform, 1st metatarsal

126
Q

action of tibialis anterior

A

dorsiflexes foot at ankle, inverts foot

127
Q

origin of extensor hallucis longus

A

proximal shaft of the fibula, interosseous membrane

128
Q

insertion of extensor hallucis longus

A

distal phalanx of the hallux

129
Q

action of extensor hallucis longus

A

dorsiflexes foot at ankle, extends hallux

130
Q

origin of extensor digitorum longus

A

lateral condyle of the tibia, proximal fibula, interosseous membrane

131
Q

insertion of extensor digitorum longus

A

middle and distal phalanges of 2nd-5th digits

132
Q

action of extensor digitorum longus

A

extends 2nd-5th distal interphalangeal joints

133
Q

origin of fibularis (peroneus) tertius

A

distal shaft of fibula, interosseous membrane

134
Q

insertion of fibularis (peroneus) tertius

A

5th metatarsal

135
Q

action of fibularis (peroneus) tertius

A

dorsiflexes foot at ankle, everts foot

136
Q

origin of fibularis (peroneus) longus

A

head of fibula

137
Q

insertion of fibularis (peroneus) longus

A

medial cuneiform, 1st metatarsal

138
Q

action of fibularis (peroneus) longus

A

plantar flexes foot at ankle, everts foot

139
Q

origin of fibularis (peroneus) brevis

A

distal shaft of fibula

140
Q

insertion of fibularis (peroneus) brevis

A

5th metatarsal

141
Q

action of fibularis (peroneus) brevis

A

plantar flexes foot at ankle, everts foot

142
Q

origin of trapezius

A

occipital bone, spinous processes of C7-T12

143
Q

insertion of trapezius

A

later 1/3 of clavicle, spine of scapula acromion process of the scapula

144
Q

action of trapezius

A

elevates scapula, depresses scapula, rotates scapula, adducts scapula

145
Q

origin of latissimus dorsi

A

spinous processes of T7-T12, ribs 9-12, iliac crest of the ilium

146
Q

insertion of latissimus dorsi

A

intertubercular groove (sulcus) of the humerus

147
Q

action of latissimus dorsi

A

extends humerus at shoulder, adducts humerus, rotates humerus medially

148
Q

origin of levator scapula(e)

A

transverse processes of C1-C4

149
Q

insertion of levator scapula(e)

A

vertebral border of the scapula

150
Q

action of levator scapula(e)

A

elevates scapula, downwardly rotates scapula

151
Q

origin of rhomboid major

A

spinous processes of T2-T5

152
Q

insertion of rhomboid major

A

vertebral border of the scapula

153
Q

action of rhomboid major

A

adducts scapula, downwardly rotates scapula

154
Q

origin of rhomboid minor

A

spinous processes of C7-T1

155
Q

insertion of rhomboid minor

A

vertebral border of the scapula

156
Q

action of rhomboid minor

A

adducts scapula, downwardly rotates scapula

157
Q

origin of supraspinatus

A

supraspinous fossa of the scapula

158
Q

insertion of supraspinatus

A

greater tubercle of the humerus

159
Q

action of supraspinatus

A

abducts humerus

160
Q

origin of infraspinatus

A

infraspinous fossa of the sacpula

161
Q

insertion of infraspinatus

A

greater tubercle of the humerus

162
Q

action of infraspinatus

A

rotates humerus laterally

163
Q

origin of teres major

A

inferior angle of the scapula

164
Q

insertion of teres major

A

lesser tubercle of the humerus

165
Q

action of teres major

A

adducts humerus, extends humerus at shoulder, rotates humerus medially

166
Q

origin of teres minor

A

lateral border of the scapula

167
Q

insertion of teres minor

A

greater tubercle of the humerus

168
Q

action of teres minor

A

rotates humeral laterally

169
Q

origin of subscapularis

A

subscapular fossa of the scapula

170
Q

insertion of subscapularis

A

lesser tubercle of the humerus

171
Q

action of subscapularis

A

rotates humerus medially

172
Q

origin of splenius capitis

A

spinous processes of C6-T7

173
Q

insertion of splenius capitis

A

mastoid process of the temporal bone, occipital bone

174
Q

action of splenius capitis

A

extends vertebral column

175
Q

origin of semispinalis capitis

A

transverse processes of C7-T7

176
Q

insertion of semispinalis capitis

A

occipital bone

177
Q

action of semispinalis capitis

A

extends vertebral column

178
Q

origin of iliocostalis (erector spinae)

A

iliac crest of ilium, ribs 3-12

179
Q

insertion of iliocostalis (erector spinae)

A

inferior border of ribs, transverse processes of C4-C6

180
Q

action of iliocostalis (erector spinae)

A

extends vertebral column

181
Q

origin of longissimus (erector spinae)

A

transverse processes of C4-L5

182
Q

insertion of longissimus (erector spinae)

A

mastoid process of the temporal bone

183
Q

action of longissimus (erector spinae)

A

extends vertebral column

184
Q

origin of spinalis (erector spinae)

A

spinous processes of T7-L3

185
Q

insertion of spinalis (erector spinae)

A

spinous processes of C4-T6

186
Q

action of spinalis (erector spinae)

A

extends vertebral column

187
Q

origin of triceps brachii; long head

A

infraglenoid tubercle of the scapula

188
Q

insertion of triceps brachii; long head

A

olecranon process of the ulna

189
Q

action of triceps brachii; long head

A

extends forearm at elbow

190
Q

origin of triceps brachii; lateral head

A

posterior surface of shaft of humerus

191
Q

insertion of triceps brachii; lateral head

A

olecranon process of the ulna

192
Q

action of triceps brachii; lateral head

A

extends forearm at elbow

193
Q

origin of triceps brachii; medial head

A

posteriors surface of shaft of humerus

194
Q

insertion of triceps brachii; medial head

A

olecranon process of the ulna

195
Q

action of triceps brachii; medial head

A

extends forearm at elbow

196
Q

origin of flexor carpi radialis

A

medial epicondyle of the humerus

197
Q

insertion of flexor carpi radialis

A

2nd and 3rd metacarpals

198
Q

actions of flexor carpi radialis

A

flexes hand at wrist, abducts hand

199
Q

origin of palmaris longus

A

medial epicondyle of the humerus

200
Q

insertion of palmaris longus

A

palmar aponeurosis

201
Q

action of palmaris longus

A

flexes hand at wrist

202
Q

origin of flexor capri ulnaris

A

medical epicondyle of the humerus, olecranon process of the ula, shaft of the ulna

203
Q

insertion of flexor carpi ulnaris

A

pisiform, hamate, 5th metacarpal

204
Q

action of flexor carpi ulnaris

A

flexes hand at wrist, adducts hand

205
Q

origin of flexor digitorum superficialis

A

medial epicondyle of the humerus, coronoid process of ulna, shaft of radius

206
Q

insertion of flexor digitorum superficialis

A

middle phalanges of 2nd to 5th digit

207
Q

action of flexor digitorum superficialis

A

flexes hand at wrist, flexes proximal interphalangeal joints

208
Q

origin of flexor digitorum profundus

A

ulna and interosseus membrane

209
Q

insertion of flexor digitorum profundus

A

distal phalanges of 2nd to 5th digit

210
Q

action of flexor digitorum profundus

A

flexes distal interphalangeal joints

211
Q

origin of flexor pollicis longus

A

anterior radius and interosseous membrane

212
Q

insertion of flexor pollicis longus

A

distal phalanx of pollex

213
Q

action of flexor pollicis longus

A

flexes 1st interphalangeal joint

214
Q

origin of pronator quadratus

A

distal and anterior ulna

215
Q

insertion of pronator quadratus

A

distal and anterior radius

216
Q

action of pronator quadratus

A

pronates forearm

217
Q

origin of pronator teres

A

medial epicondyle of the humerus

218
Q

insertion of pronator teres

A

lateral radius

219
Q

action of pronator teres

A

pronates forearm

220
Q

origin of abductor pollicis brevis

A

scaphoid, trapezium, flexor retinaculum

221
Q

insertion of abductor pollicis brevis

A

proximal phalanx of pollex

222
Q

action of abductor pollicis brevis

A

abducts pollex

223
Q

origin of opponens pollicis

A

trapezium, flexor retinaculum

224
Q

insertion of opponens pollicis

A

1st metacarpal

225
Q

action of opponens pollicis

A

opposition

226
Q

origin of flexor pollicis brevis

A

trapezium, flexor retinaculum

227
Q

insertion of flexor pollicis brevis

A

proximal phalanx of pollex

228
Q

action of flexor pollicis brevis

A

flexes pollex

229
Q

origin of adductor pollicis

A

capitate, bases of 2nd-4th metacarpals

230
Q

insertion of adductor pollicis

A

proximal phalanx of pollex

231
Q

action of adductor pollicis

A

adducts pollex, opposition

232
Q

origin of gluteus maximus

A

posterior surface of ala of ilium, sacrum, coccyx

233
Q

insertion of gluteus maximus

A

iliotibial tract, gluteal tuberosity of the femur

234
Q

action of gluteus maximus

A

extends thigh at hip, rotates thigh laterally, abducts thigh

235
Q

origin of gluteus medius

A

lateral surface of the ilium

236
Q

insertion of gluteus medius

A

greater trochanter of the femur

237
Q

action of gluteus medius

A

abducts thigh, rotates thigh medially

238
Q

origin of gluteus minimis

A

lateral surface of the ilium

239
Q

insertion of gluteus minimis

A

greater trochanter of femur

240
Q

action of gluteus minimis

A

abducts thigh, rotates thigh medially

241
Q

origin of piriformis

A

lateral surface of the sacrum

242
Q

insertion of piriformis

A

greater trochanter of the femur

243
Q

action of the piriformis

A

rotates thigh laterally when thigh is extended

244
Q

origin of quadratus femoris

A

ischial tuberosity of the ischium

245
Q

insertion of quadratus femoris

A

intertrochanter crest of the femur

246
Q

action of quadratus femoris

A

rotates thigh laterally

247
Q

origin of biceps femoris; long head

A

ischial tuberosity of the ischium, linea aspera of the femur

248
Q

insertion of biceps femoris; long head

A

head of the fibula, lateral condyle of the tibia

249
Q

action of biceps femoris; long head

A

extends thigh at hip, flexes leg at knee, rotates leg laterally

250
Q

origin of biceps femoris; short head

A

linea aspera of the femur

251
Q

insertion of biceps femoris; short head

A

head of fibula, lateral condyle of the tibia

252
Q

action of biceps femoris; short head

A

flexes leg at knee, rotates leg laterally

253
Q

origin of semtendinosus

A

ischial tuberosity of ischium

254
Q

insertion of semtendinosus

A

medial surface of proximal shaft of tibia

255
Q

action of semtendinosus

A

extends thigh at hip, flexes leg at knee, rotates leg medially

256
Q

origin of semimembranosus

A

ischial tuberosity of the ischium

257
Q

insertion of semembranosus

A

medial condyle of the tibia

258
Q

action of semembranosus

A

extends thigh at hip, flexes leg at knee, rotates leg medially

259
Q

origin of gastrocenemius

A

lateral condyle of the femur, medial condyle of the femur

260
Q

insertion of gastrocenemius

A

calcaneus

261
Q

action of gastrocenemius

A

plantar flexes at ankle

262
Q

origin of soleus

A

proximal tibia, proximal fibula, interosseous membrane

263
Q

insertion of soleus

A

calcaneus

264
Q

action of soleus

A

plantar flexes foot at ankle

265
Q

origin of tibialis posterior

A

proximal tibia, proximal fibula, interosseous membrane

266
Q

insertion of tibialis posterior

A

navicular bone, 2nd-4th metarsal

267
Q

action of tibialis posterior

A

plantar flexes foot at ankle, inverts foot

268
Q

origin of flexor digitorum longus

A

posterior shaft of tibia

269
Q

insertion of flexor digitorum longus

A

distal phalanges of 2nd-5th digits

270
Q

action of flexor digitorum longus

A

plantar flexes foot at ankle, inverts foot, flexes 2nd-5th distal interphalangeal joints

271
Q

origin of flexor hallucis longus

A

middle shaft of the fibula, interosseous membrane

272
Q

insertion of flexor hallucis longus

A

distal phalanx of pollex

273
Q

action of flexor hallucis longus

A

plantar flexes foot at ankle, inverts foot, flexes hallux

Anatomy (3 decks)

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