MOINA Part 4 (Action) Flashcards
1
Q
Superior Rectus
A
Raises cornea upwards and medially
2
Q
Inferior Rectus
A
Depresses cornea downward and medially
3
Q
Medial Rectus
A
Rotates eyeball so that cornea looks medially
4
Q
Lateral Rectus
A
Rotates eyeball so that cornea looks laterally
5
Q
Superior Oblique
A
Rotates eyeball so thy cornea looks downward and laterally
6
Q
Inferior Oblique
A
Rotates eyeball so that cornea looks upward and laterally
7
Q
Orbicularis Oculi
A
Palpebral Part: Closes eyelids and dilates lacrimal sac
Orbital Part: Throws skin around orbit into folds to protect eyeball
8
Q
Levator Palpebral Superioris
A
Raises upper lid
9
Q
Occipitofrontalis
A
Occipital Belly and Frontal Belly: Moves scalp on skull and raises eyebrows
10
Q
Orbicularis Oris
A
Compresses lips together
11
Q
Levator Anguli Oris
A
Separate lips
12
Q
Buccinator
A
Compresses cheeks and lips against teeth
13
Q
Procerus
A
Wrinkles skin of nose
14
Q
Corrugator Supercilii
A
Vertical wrinkles of forehead, AKA FROWNING
15
Q
What are the dilator muscles of the lips
A
MUSCLES OF EXPRESSION
1. Levator Labii Superiori Alaeque Nasi
2. Levator Anguli Oris
3. Levator Labii Superioris
4. Orbicularis Oris
5. Zygomaticus Major
6. Zygomaticus Minor
7. Risorius
8. Modiolus
9. Depressor Anguli Oris
10. Depressor Labii Inferioris
11. Mentalis
16
Q
Dilator muscles of the lips
A
Separate lips
17
Q
Temporalis
A
Anterior and superior fibers elevate mandible; posterior fibers retract mandible
18
Q
Masseter
A
Elevates mandible to occlude teeth
19
Q
Lateral Pterygoid
A
Pulls neck of mandible forward
20
Q
Medial Pterygoid
A
Elevates mandible
21
Q
Intrinsic Muscles of the Tongue
A
Longitudinal: alters shape of tongue
Transverse: makes the tongue narrow and elongated
Vertical: flattens and broadens the tongue
22
Q
Extrinsic Muscles of the Tongue
A
Genioglossus: protrudes apex of tongue
Hyoglossus: depresses tongue
Styloglossus: draws tongue upwards and backward
Palatoglossus: pulls roots of tongue upward and backward, narrows oropharyngeal isthmus
23
Q
Platysma
A
Depresses mandible and angle of mouth
24
Q
SCM
A
Two muscles acting together extend head and flex neck; one muscle rotates head to opposite side
25
Digastric
Posterior & Anterior Belly: depresses mandible or elevates hyoid bone
26
Stylohyoid
Elevates hyoid bone
27
Mylohyoid
Elevates floor of mouth and hyoid bone or depresses mandible
28
Geniohyoid
Elevates hyoid bone or depresses mandible
29
Thyrohyoid
Depresses hyoid bone or elevates larynx
30
Sternothyroid
Depresses larynx
31
Sternohyoid
Depresses hyoid bone
32
Omohyoid
Inferior & Superior belly: depresses hyoid bone
33
Scalenes
Scalenus Anterior & Medius: elevates FIRST rib; laterally flexes and rotates cervical part of vertebral column
Scalenus Posterior: elevates SECOND rib; laterally flexes and rotates cervical part of vertebral column
34
Pectoralis Major
Adducts arm and rotates it medially; clavicular fibers also flex arm
35
Pectoralis Minor
Depresses point of shoulder; if the scapula is fixed, it elevates the ribs of origin
36
Subclavius
Depresses the clavicle and steadies this bon during movements of the shoulder girdle
37
Serratus Anterior
Draws the scapula forward around the thoracic wall; rotates the scapula
38
Trapezius
Upper fibers elevate the scapula; middle fibers pull the scapula medially; lower fibers pull medial border of the scapula downward
39
Latissimus Dorsi
Extends, adducts and medially rotates the arm
40
Levator Scapulae
Raises medial border of the scapula
41
Rhomboid Minor
Raises medial border of scapula upward and medially
42
Rhomboid Major
Raises medial border of scapula upward and medially
43
Deltoid
Abducts arm; anterior fibers flex and medially rotate arm; posterior fibers extend and laterally rotate arm
44
Supraspinatus
Abducts arm and stabilizes shoulder joint
45
Infraspinatus
Laterally rotates arm and stabilizes shoulder joint
46
Teres Minor
Laterally rotates arm stabilizes shoulder joint
47
Teres Major
Medially rotates arm and adducts arm and stabilizes shoulder joint
48
Subscapularis
Medially rotates arm and stabilizes shoulder joint
49
Biceps Brachii (long head and short head)
Supinator of forearm and flexor of elbow joint; weak flexor of shoulder joint
50
Coracobrachialis
Flexes arm and also weak adductor
51
Brachialis
Flexor of elbow joint
52
Triceps brachii (long, lateral, medial head)
Extensor of elbow joint
53
Pronator teres (humeral and ulnar head)
Pronation and flexion of forearm
54
Flexor carpi radialis
Flexes and abducts hand at wrist joint
55
Palmaris longus
Flexes hand
56
Flexor digitorum superficialis (humeroulnar and radial head)
Flexes middle phalanx of fingers and assists in flexing proximal phalanx and hand
57
Flexor carpi ulnaris (humeral and ulnar head)
Flexes and adducts hand at wrist joint
58
Flexor pollicis longus
Flexes distal phalanx of thumb
59
Flexor digitorum profundus
Flexes distal phalanx of fingers; then assists in flexion if middle and proximal phalanges and wrist
60
Supinator
Supination if forearm
61
Pronator quadratus
Pronates forearm
62
Brachioradialis
Flexes forearm at elbow joint; rotates forearm to the midprone position
63
Extensor carpi radialis longus
Extends and abducts hand at wrist joint
64
Extensor carpi radialis brevis
Extends and abducts hand at wrist joint
65
Extensor carpi ulnaris
Extends and adducts hand at wrist joint
66
Extensor digitorum
Extends fingers and hand
67
Extensor digiti minimi
Extends metacarpophalangeal joint of little finger
68
Anconeus
Extends elbow joint
69
Abductor pollicis longus
Extends and abducts thumb
70
Extensor pollicis brevis
Extends metacarpophalangeal joint of thumb
71
Extensor pollicis longus
Extends distal phalanx of thumb
72
Extensor indicis
Extends metacarpophalangeal joint of index finger
73
Palmaris brevis
Corrugates skin to improve grip of palm
74
Palmaris brevis
Corrugates skin to improve grip of palm
75
Opponens pollicis
Pulls thumb across medially and forward across palm
76
Lumbricals
Flexes metacarpophalangeal joints and extend interphalangeal joints of fingers except thumb
77
Palmar interossei
Adduct fingers toward center of third finger
78
Dorsal interossei
Abduct fingers from center of third finger; both palmar and dorsal flex metacarpophalangeal joints and extend interphalangeal joints
79
Abductor pollicis brevis
Abduction of thumb
80
Flexor pollicis brevis
Flexes metacarpophalangeal joint of thumb
81
Adductor pollicis
Adduction of thumb
82
Abductor digiti minimi
Abducts little finger
83
Flexor digiti minimi
Flexes little finger
84
Opponens digiti minimi
Pulls 5th metacarpal forward as in cupping the palm
85
Rectus abdominis
Compresses abdominal contents and flexes vertebral column; accessory muscle of expiration
86
Transversus abdominis
Compresses abdominal contents
87
Obliquus internus abdominis
Supports abdominal contents; compresses abdominal contents; assist in flexing and rotation of trunk assist in forced expiration, micturition, defecation, parturition, and vomiting
88
Obliquus externus abdominis
Supports abdominal contents; compresses abdominal contents; assist in flexing and rotation of trunk assist in forced expiration, micturition, defecation, parturition, and vomiting
89
Quadratus lumborum
Fixes 12th rib during inspiration; depresses 12th rib during forced expiration; laterally flexes vertebral column same side
90
Gluteus maximus
Extends and laterally rotates hip joint; through iliotibial tract, it extends knee joint
91
Gluteus medius
Abducts thigh at hip joint; tilts pelvis when walking to permit opposite leg to clear ground
92
Gluteus minimus
Abducts thigh at hip joint; tilts pelvis when walking to permit opposite leg to clear ground
93
Tensor fasciae latae
Assists gluteus maximus in extending the knee joint
94
Piriformis
Lateral rotator of thigh at hip joint
95
Gemellus superior
Lateral rotator of thigh at hip joint
96
Gemellus inferior
Lateral rotator of thigh at hip joint
97
Obturator internus
Lateral rotator of thigh at hip joint
98
Quadratus femoris
Lateral rotator of thigh at hip joint
99
Sartorius
Flexes, abducts, laterally rotates thigh at hip joint; flexes and medially rotates leg at knee joint
100
Iliacus
Flexes thigh on trunk; if thigh is fixed, it flexes the trunk on the thigh as in sitting up from lying down
101
Psoas
Flexes thigh on trunk; if thigh is fixed, it flexes the trunk on the thigh as in sitting up from lying down
102
Pectineus
Flexes and adducts thigh at hip joint
103
Rectus femoris
Extension of leg at knee joint; flexes thigh at hip joint
104
Vastus lateralis
Extension of leg at knee joint
105
Vastus medialis
Extension of leg at knee joint; stabilizes patella
106
Vastus intermedius
Extension of leg at knee joint; articularis genus retracts synovial membrane
107
Gracilis
Adducts thigh at hip joint; flexes leg at knee joint
108
Adductor longus
Adducts thigh at hip joint and assists in lateral rotation
109
Adductor brevis
Adducts thigh at hip joint and assists in lateral rotation
110
Adductor minimus
Adduction and lateral rotation of thigh
111
Adductor magnus
Adducts thigh at hip joint and assists in lateral rotation; hamstring portion extends thigh at hip joint
112
Obturator externus
Laterally rotates thigh at hip joint
113
Biceps femoris
Flexes and laterally rotates leg at knee joint; long head also extends thigh at hip joint
114
Semitendinosus
Flexes and medially rotates leg at knee joint; extends thigh at hip joint
115
Semimembranosus
Flexes and medially rotates leg at knee joint; extends thigh at hip joint
116
Tibialis anterior
Extends foot at ankle joint; inverts foot at subtalar and transverse tarsal joints; holds up medial longitudinal arch of foot
117
Extensor digitorum longus
Extends toes; extends foot at ankle joint
118
Peroneus tertius
Extends foot at ankle joint; everts foot at subtalar and transverse tarsal joints
119
Extensor hallucis longus
Extends big toe; extends foot at ankle joint; inverts foot at subtalar and transverse tarsal joints
120
Extensor digitorum brevis
Extends big toe; extends foot at ankle joint; inverts foot at subtalar and transverse tarsal joints
121
Peroneus longus
Plantar flexes foot at ankle joint; everts foot at subtalar and transverse tarsal joints; supports lateral longitudinal and transverse arches of foot
122
Peroneus brevis
Plantar flexes foot at ankle joint; everts foot at subtalar and transverse tarsal joint; supports lateral longitudinal arch of foot
123
Gastrocnemius
Plantar flexes foot at ankle joint; flexes knee joint
124
Plantaris
Plantar flexes foot at ankle joint; flexes knee joint
125
Soleus
Together with gastrocnemius and plantaris is powerful plantar flexor of ankle joint; provides main propulsive force in walking and running
126
Popliteus
Flexes leg at knee joint; unlocks knee joint by lateral rotation of femur on tibia and slackens ligaments of joint
127
Flexor digitorum longus
Flexes distal phalanges of lateral four toes; plantar flexes foot at ankle joint; supports medial and lateral longitudinal arches of foot
128
Flexor hallucis longus
Flexes distal phalanx of big toe; plantar flexes foot at ankle joint; supports medial longitudinal arch of foot
129
Tibialis posterior
Plantar flexes foot at ankle joint; inverts foot at subtalar and transverse tarsal joints; supports medial longitudinal arch of foot
130
Abductor hallucis
Flexes and abducts big toe; braces medial longitudinal arch
131
Abductor digiti minimi
Flexes and abducts fifth toe; braces lateral longitudinal arch
132
Flexor digitorum brevis
Flexes lateral four toes; braces medial and lateral longitudinal arches
133
Quadratus plantae
Assists flexor digitorum longus in flexing lateral four toes
134
Lumbricals (4)
Extends toes at interphalangeal joints
135
Flexor hallucis brevis
Flexes metatarsophalangeal joint of big toe; supports medial longitudinal arch
136
Flexor digiti minimi brevis
Flexes metatarsophalangeal joint of little toe
137
Adductor hallucis
Flexes metatarsophalangeal joint of big toe; holds together metatarsal bones
138
Interossei (4 dorsal)
Abduction of toes; flexes metatarsophalangeal joints and extends interphalangeal joints
139
Interossei (3 plantar)
Adduction of toes; flexes metatarsophalangeal joints and extends interphalangeal joints
140
Extensor digitorum brevis
Extends toes
