Muscles Quiz Flashcards
(148 cards)
1
Q
Epicranius (origin)
A
Occipital bone
2
Q
Epicranius (insertion)
A
Skin around eye
3
Q
Epicranius (action)
A
Elevates eyebrow as when surprised
4
Q
Epicranius (nerve supply)
A
Facial nerve
5
Q
Orbicularis oculi (origin)
A
Maxillary and frontal bones
6
Q
Orbicularis oculi (insertion)
A
Skin around eye
7
Q
Orbicularis oculi (action)
A
Closes eye as in blinking
8
Q
Orbicularis oculi (nerve supply)
A
Facial nerve
9
Q
Orbicularis oris (origin)
A
Muscles near the mouth
10
Q
Orbicularis oris (insertion)
A
Skin of central lip
11
Q
Orbicularis oris (action)
A
Closes lips, protrudes lips as for kissing
12
Q
Orbicularis oris (nerve supply)
A
Facial nerve
13
Q
Buccinator (origin)
A
Alveolar processes of maxilla and mandible
14
Q
Buccinator (insertion)
A
Orbicularis oris
15
Q
Buccinator (action)
A
Compresses cheeks
16
Q
Buccinator (nerve supply)
A
Facial nerve
17
Q
Zygomaticus major and minor (origin)
A
Zygomatic bone
18
Q
Zygomaticus major and minor (insertion)
A
Skin and muscle at corner of mouth
19
Q
Zygomaticus major and minor (action)
A
Elevates corner of mouth as when smiling
20
Q
Zygomaticus major and minor (nerve supply)
A
Facial nerve
21
Q
Platysma (origin)
A
Fascia in upper chest
22
Q
Platysma (insertion)
A
Skin and muscles below mouth
Mandible
23
Q
Platysma (action)
A
Depresses lower lip and angle of mouth as when pouting
24
Q
Platysma (nerve supply)
A
Facial nerve
25
Masseter (origin)
Zygomatic arch
26
Masseter (insertion)
Lateral surface of ramus of mandible
27
Masseter (action)
Elevates and protracts mandible
28
Masseter (nerve supply)
Trigeminal nerve
29
Temporalis (origin)
Temporal bone
30
Temporalis (insertion)
Coronoid process and anterior ramus of mandible
31
Temporalis (action)
Elevates and retracts mandible
32
Temporalis (nerve supply)
Trigeminal nerve
33
Sternocleidomastoid (origin)
Anterior surface of sternum and upper surface of clavicle
34
Sternocleidomastoid (insertion)
Mastoid process of temporal bone
35
Sternocleidomastoid (action)
Each laterally flexes neck to the same side, rotates head to the opposite side. Together they flex neck forward
Also aid in forceful inhalation.
36
Splenius capitis (origin)
Ligamentum nuchae and spinous processes of seventh cervical and upper thoracic vertebrae.
37
Splenius capitis (insertion)
Occipital bone
38
Splenius capitis (action)
Rotates head, laterally flexes and extends neck
39
Teres major (origin)
Lateral border of scapula
40
Teres major (insertion)
Intertubercular sulcus of humerous
41
Teres major (action)
Extends shoulder, adducts, and rotates arm medially
42
Teres minor (origin)
Lateral border of scapula
43
Teres minor (insertion)
Greater tubercle of humerous
44
Teres minor (action)
Rotates arm laterally
45
Pectoralis major (origin)
Clavicle, sternum, and costal cartilages of upper ribs
46
Pectoralis major (insertion)
Intertubercular sulcus of humerus
47
Pectoralis major (action)
Flexes shoulder, adducts, and rotates arm medially
48
Supraspinatus (origin)
Supraspinous fossa of scapula
49
Supraspinatus (insertion)
Greater tubercle of humerus
50
Supraspinatus (action)
Rotates arm medially
51
Infraspinatus (origin)
Infraspinous fossa of scapula
52
Infraspinatus (insertion)
Greater tubercle of humerus
53
Infraspinatus (action)
Rotates arm laterally
54
Deltoid (origin)
Acromion process, spine of the scapula, and the clavicle
55
Deltoid (insertion)
Deltoid tuberosity of humerus
56
Deltoid (action)
Lateral portion abducts arm
Anterior portion flexes shoulder
Posterior portion extends shoulder
57
Latissimus dorsi (origin)
Spines of sacral, lumbar, and lower thoracic veretbrae, illiac crest, and lower ribs
58
Latissimus dorsi (insertion)
Intertubercular sulcus of humerus
59
Latissimus dorsi (action)
Extends shoulder, adducts, and rotates arm medially, or depresses and retracts shoulder
60
Rhomboid major (origin)
Spinous processes of upper thoracic vertebrae
61
Rhomboid major (insertion)
Medial border of scapula
62
Rhomboid major (action)
Retracts, elevates and rotates scapula
63
Rhomboid minor (origin)
Spinous processes of lower cervical vertebrae
64
Rhomboid minor (insertion)
Medial border of scapula
65
Rhomboid minor (action)
Retracts and elevates scapula
66
Trapezius (origin)
Occipital bone, ligamentum nuchae, and spinous processes of seventh cervical and all thoracic vertebrae
67
Trapezius (insertion)
Clavicle, spine, and acromion process of scapula
68
Trapezius (action)
Rotates and retracts scapula
Superior portion elevates scapula
Inferior portion depresses scapula
69
Brachialis (origin)
Anterior surface of humerus
70
Brachialis (insertion)
Coronoid process of ulna
71
Brachialis (action)
Flexes elbow
72
Biceps brachii (origin)
Coracoid process and tubercle above glenoid cavity of scapula
73
Biceps brachii (insertion)
Radial tuberosity of radius
74
Biceps brachii (action)
Flexes elbow and supinates forearm and hand
75
Brachioradialis (origin)
Distal lateral end of humerus
76
Brachioradialis (insertion)
Lateral surface of radius above styloid process
77
Brachioradialis (action)
Flexes elbow
78
Triceps brachii (origin)
Tubercle below glenoid cavity and lateral and posterior surfaces of humerus
79
Brachioradialis (insertion)
Olecranon process of ulna
80
Brachioradialis (action)
Extends elbow
81
Flexor carpi ulnaris (origin)
Medial epicondyle of humerus and olecranon process of ulna
82
Flexor carpi ulnaris (insertion)
Carpals and metacarpal bones
83
Flexor carpi ulnaris (action)
Flexes wrist and abducts hand
84
Flexor carpi radialis (origin)
Medial epicondyle of humerus
85
Flexor carpi radialis (insertion)
Base of second and third metacarpals
86
Flexor carpi radialis (action)
Flexes wrist and abducts hand
87
Flexor digitorum superficialis (origin)
Medial epicondyle of humerus, coronoid process of ulna, and radius
88
Flexor digitorum superficialis (insertion)
Tendons of fingers
89
Flexor digitorum superficialis (action)
Flexes wrist and joints of fingers
90
Extensor digitorum (origin)
Lateral epicondyle of humerus
91
Extensor digitorum (insertion)
Posterior surface of phalanges in finger 2-5
92
Extensor digitorum (action)
Extends joints of fingers
93
Gluteus medius (origin)
Lateral surface of ilium
94
Gluteus medius (insertion)
Greater trochanter of femur
95
Gluteus medius (action)
Abducts and rotates thigh medially
96
Gluteus maximus (origin)
Sacrum, coccyx, and posterior surface of ilium
97
Gluteus maximus (insertion)
Posterior surface of femur and fascia of thigh
98
Adductor brevis (origin)
Pubic bone
99
Adductor brevis (insertion)
Posterior surface of femur
100
Adductor brevis (action)
Adducts thigh and flexes hip
101
Adductor longus (origin)
Pubic bone near pubic synthesis
102
Adductor longus (insertion)
Posterior surface of femur
103
Adductor longus (action)
Adducts thigh and flexes hip
104
Adductor magnus (origin)
Ischial tuberosity
105
Adductor magnus (insertion)
Posterior surface of femur
106
Adductor magnus (action)
Adducts thigh, posterior portion extends and anterior portion flexes hip
107
Gracilis (action)
Lower edge of pubic symphysis
108
Gracilis (insertion)
Proximal, medial surface of tibia
109
Gracilis (action)
Adducts thigh and flexes knee
110
Biceps femoris (origin)
Ischial tuberosity and linea aspera of femur
111
Biceps femoris (insertion)
Head of fibula
112
Biceps femoris (action)
Flexes knee, rotates leg laterally, and extends hip
113
Semitendinosus (origin)
Ischial tuberosity
114
Semitendinosus (insertion)
Proximal, medial surface of tibia
115
Semitendinosus (action)
Flexes knee, rotates leg medially, and extends hip
116
Semimembranosus (origin)
Ischial tuberosity
117
Semimembranosus (insertion)
Medial condyle of tibia
118
Semimembranosus (action)
Flexes knee, rotates leg medially, and extends hip
119
Vastus medialis (origin)
Medial surface of femur
120
Vastus medialis (insertion)
Patella by tendon, which continues as patellar ligament to tibial tuberosity
121
Vastus medialis (action)
Extends knee
122
Vastus lateralis (origin)
Greater trochanter and posterior surface of femur
123
Vastus lateralis (insertion)
Patella by tendon, which continues as patellar ligament to tibial tuberosity
124
Vastus lateralis (action)
Extends knee
125
Rectus femoris (origin)
Anterior superior iliac spine and margin of acetabulum
126
Rectus femoris (insertion)
Patella by tendon, which continues as patellar ligament to tibial tuberosity
127
Rectus femoris (action)
Extends knee
128
Sartorius (origin)
Anterior superior iliac spine
129
Sartorius (insertion)
Medial surface of tibia
130
Sartorius (action)
Flexes knee and hip, abducts and rotates thigh laterally, and rotates leg medially
131
Extensor digitorum longus (origin)
Lateral condyle of tibia and anterior surface of fibula
132
Extensor digitorum longus (insertion)
Dorsal surfaces of middle and distal phalanges of four lateral toes
133
Extensor digitorum longus (action)
Dorsiflexion of foot, extends yoes
134
Tibialis anterior (origin)
Lateral condyle and lateral surface of tibia
135
Tibialis anterior (insertion)
Tarsal bone (medial cuneiform) and first metatarsal
136
Tibialis anterior (action)
Dorsiflexion and inversion of foot
137
Tibialis posterior (origin)
Lateral condyle and posterior surface of tibia and posterior surface of fibula
138
Tibialis posterior (insertion)
Tarsal and first metatarsal
139
Tibialis posterior (action)
Plantar flexion and inversion of foot
140
Flexor digitorum longus (origin)
Posterior surface of tibia
141
Flexor digitorum longus (insertion)
Distal phalanges of four lateral toes
142
Flexor digitorum longus (action)
Plantar flexion and inversion of foot, flexes four lateral toes
143
Soleus (origin)
Head and shaft of fibula and posterior surface of tibia
144
Soleus (insertion)
Posterior surface of calcaneus
145
Soleus (action)
Plantar flexion of foot
146
Gastrocnemius (origin)
Lateral and medial condyles of femur
147
Gastrocnemius (insertion)
Posterior surface of calcaneus
148
Gastrocnemius (action)
Plantar flexion of foot, flexes knee
