BIOL G220L: Ch. 11 & 12 (A, O, I) Flashcards
A/O/I from axial skeleton muscles (Ch. 11) and appendicular skeleton muscles (Ch. 12)
1
Q
pectoralis minor action (2)
A
protracts and depresses scapula
2
Q
serratus anterior A/O/I (3)
A
A: agonist in scapula protection
superiorly rotates scapula
stabilizes scapula
O: Ribs 1-8
I: Medial border of scapula
3
Q
levator scapulae action (2)
A
elevates scapula
inferiorly rotates scapula
4
Q
rhomboid major action (3)
A
elevates scapula
adducts scapula
inferiorly rotates scapula
5
Q
rhomboid minor action (3)
A
elevates scapula
adducts scapula
inferiorly rotates scapula
6
Q
trapezius action (3)
A
superior fibers: elevate and superiorly rotate scapula
middle fibers: retract scapula
inferior fibers: depress scapula
7
Q
latissimus dorsi A/O/I (3)
A
A: agonist of arm extension
adducts arm
medially rotates arm
O: Spinous process T1-T12
I: Intertubercular groove (humerus)
8
Q
pectoralis major A/O/I (3)
A
A:agonist of arm flexion
adducts arm
medially rotates arm
O: Clavicle - Rib 6
I: Intertubercular groove (humerus)
9
Q
deltoid A/O/I (3)
A
A: anterior fibers: flex and medially rotate arm
middle fibers: agonist of arm abduction
posterior fibers: extend and laterally rotate arm
O: Acromion process and scapula spine
I: Deltoid tuberosity (humerus)
10
Q
teres major action (3)
A
extends, adducts, medially rotates arm
11
Q
triceps brachii (long head) A/O/I (2)
A
A: extends and adducts arm
O: scapula and posterior proximal humerus
I: Olecranon process (ulna)
12
Q
biceps brachii A/O/I
A
A: supination
O: scapula
I: radius
13
Q
rotator cuff muscles action
A
stabilize the glenohumeral joint
14
Q
subscapularis action
A
medially rotates arm
15
Q
supraspinatus action
A
abducts arm
16
Q
infraspinatus action (2)
A
adducts and laterally rotates arm
17
Q
triceps brachii action
A
extension
18
Q
brachialis A/O/I
A
A: flexion
O: distal humerus
I: coronoid process of ulna
19
Q
biceps brachii action (2)
A
flexion and supination
20
Q
brachioradialis action
A
flexion
21
Q
pronator teres action
A
pronation
22
Q
supinator action
A
supination
23
Q
extensor digiti minimi action
A
extension
24
Q
extensor carpi ulnaris action
A
extension
25
abductor pollicis longus action (2)
abducts thumb
extends wrist
26
abductor pollicis longus action (2)
abducts thumb
extends wrist
27
extensor pollicis brevis action
extension
28
extensor pollicis longus
extension
29
flexor pollicis brevis action
flexion
30
abductor pollicis brevis action
abduction
31
flexor digiti minimi brevis action
flexion
32
lumbricals action (2)
flexion
extension
33
dorsal interossei action (3)
abduction
flexion
extension
34
adductor pollicis action
adduction
35
flexor carpi radialis action (2)
flexion
abduction
36
palmaris longus action
flexion
37
flexor carpi ulnaris action (2)
flexion
adduction
38
flexor digitorum superficialis action
flexion
39
flexor pollicis longus action
flexion
40
flexor digitorum profundus action
flexion
41
extensor carpia radialis longus action (2)
extension
abduction
42
extensor carpi radialis brevis action (2)
extension
abduction
43
extensor digitorum action
extension
44
gluteus medius action
abduction
45
gluteus minimus action
abduction
46
tensor fasciae latae action
abduction
47
adductor brevis, longus, magnus action
adduction
48
gracilis action
adduction
49
pectineus action
adduction
50
gluteus maximus action
extension
51
adductor magnus (hamstring part) action
extension
52
biceps femoris (long head) action
extension
53
semimembranosus action
extension
54
semitendinosus action
extension
55
iliopsoas action
flexion
56
adductor brevis, longus, magnus (adductor part) action
flexion
57
sartorius action
flexion
58
rectus femoris A/O/I
A: flexion of hip joint/thigh
O: anterior inferior iliac spine
I: Quadriceps tendon
59
gracilis action
flexion
60
adductor magnus (hamstring part) action
lateral rotation
61
gluetus maximus action (2)
extension and lateral rotation of hip joint/thigh
62
sartorius action
lateral rotation
63
gluteus medius action (2)
extension and medial rotation of hip joint/thigh
64
gluteus minimus action (2)
extension and medial rotation of hip joint/thigh
65
tensor fasciae latae action
abduction of thigh
66
quadriceps femoris (includes rectus femoris, vastus intermedius, vastus lateralis, vastus medialis) action
extension
67
extensor digitorum longus action
dorsiflexion digits 2-5
68
extensor hallucis longus action
dorsiflexion digit 1
69
tibialis anterior action
dorsiflexion
70
fibularis longus action (2)
eversion
plantar flexion
71
fibularis brevis action (2)
eversion
plantar flexion
72
gastrocnemius action (2)
flexion
plantar flexion
73
soleus action
plantar flexion
74
plantaris action (2)
flexion
plantar flexion
75
flexor digitorum longus action (2)
platar flexion
flexion
76
flexor hallucis longus action (2)
plantar flexion
flexion
77
tibialis posterior action (2)
plantar flexion
inversion
78
muscles of facial expression O/I
O: superficial fascia or skull
I: superficial fascia of skin
79
frontal belly of occipitofrontalis action
raises eyebrows/wrinkles forehead
80
occipital belly of occipitofrontalis action
retracts scalp
81
orbicularis oculi action
eyelid closes
82
nasalis action
flares nostrils
83
orbicularis oris action
close and pucker mouth
84
depressor labii inferior action
lower lip movement?
85
levator labii superioris action
upper lip movement?
86
zygomaticus major and minor action
smile
87
mentalis action
pout
88
platysma action
tense neck skin, pulls lower lip inferior
89
buccinator action
compresses cheek, 'suck'
90
muscle of mastication: temporalis A/O/I
A: elevates and retracts the mandible (pulls posteriorly)
O: Parietal bone
I: coronoid process of mandible
91
muscles of masticatio: masseter A/O/I
A: elevates and retracts the mandible (pulls anteriorly)
O: zygomatic arch
I: angle of mandible
92
suprahyoid muscles action
(floor of mouth) elevate hyoid bone
93
infrahyoid muscles action
depress hyoid bone
94
omohyoid, sternohyoid, sternothyroid (infrahyoid) action
depress hyoid bone
95
thyrohyoid (infrahyoid) action
elevates thyroid cartilage
96
muscles that move head and neck
anterolateral muscles
posterior muscles
97
anterolateral muscles (head and neck) action
flex head and/or neck
98
posterior muscles (head and neck) action
extend head and/or neck
99
sternocleidomastoid (anterolateral) actions (2)
bilateral contraction: flexion of neck
unilateral contraction: lateral flexion & rotation of head to opposite side
100
erector spinae actions (3)
maintain posture
bilateral contraction: extends spinal column
unilateral contraction: flexes the column laterally
101
quadratus lumborum actions (2)
bilateral contraction: extension of spinal column
unilateral contraction: laterally flexes vertebral column
102
muscles of respiration responsibility
muscles in inhalation
103
muscles of inhalation (3)
scalene
external intercostals
diaphragm
104
scalene A/O/I
A: elevates rib 1 and 2
O: transverse processses of cervical vert
I: Rib 1 and 2
105
external intercostals action
elevates ribs
106
diaphragm action/responsibility
major muscle of respiration
107
muscles of exhalation
internal intercostals
transverse thoracis
diaphragm
108
internal intercostals action
depresses ribs
109
transverse thoracis action
depresses ribs
110
rectus abdominis action
flexes vertebral column and compresses abdominal cavity
111
external oblique, internal oblique, and transverse abdominis actions (2)
unilateral: lateral flexion of vertebral column and rotation of vertebral column to opposite side
bilateral: flexion of vertebral column and compression of abdominal wall
112
muscles that move the pectoral girdle and upper limb O/I
O: axial skeleton
I: scapula and clavicle
113
muscles that move pectoral girdle (3)
pectoralis minor
serratus anterior
trapezius
114
muscles that move glenohumeral joint/arm
latissimus dorsi
pectoralis major
deltoid
teres major
rotator cuff muscles: supraspinatus, infraspinatus, subscapularis, teres minor
teres major
115
muscles that move the elbow joint/forearm (extensors and flexors)
extensors: triceps brachii
flexors: biceps brachii
brachialis
brachioradialis
116
anterior forearm muscles the move the wrist joint, hand, and fingers A/O
A: flexion of wrist, hand, and fingers
O: medial epicondyle of humerus
117
posterior forearm muscles that move the wrist joint, hand, and fingers A/O
A: extension of wrist, hand, and fingers
O: lateral epicondyle of humerus
118
intrinsic muscles of hand O/I
O: hand
I: hand
119
thenar group muscles affect motion of
thumb
120
hypothenar group muscles affect motion of
finger 5
121
midpalmar group muscles affect motion of
all fingers and thumb
122
anterior muscles that move hip joint/thigh A/O/I
A: flexion of thigh
O: Os coxae
I: femur
123
medial muscles that move hip joint/thigh A/O/I
A: adducts thigh
O: Os coxae
I: femur
124
lateral muscles that move hip joint/thigh A/O/I
A: abducts thigh
O: ox coxae
I: femur
125
posterior muscles that move hip joint/thigh A/O/I
A: extension of thigh and knee flexors
O: os coxae
I: femur
126
anterior muscles that move hip joint/ thigh (4)
1. psoas major
2. iliacus
3. sartorius
4. rectus femoris
127
medial muscles that move hip joint/thigh (4)
1. adductor longus
2. gracilis
3. pectineus
4. adductor magnus
128
lateral muscle of thigh
tensor fasciae latae
129
anterior muscles the move the knee joint/leg A
extension of leg
130
anterior muscles that move the knee joint/leg (4)
quadriceps femoris:
1. rectus femoris
2. vastus lateralis
3. vastus medialis
4. vastus intermedius
131
anterior muscles that move the knee joint and leg create
quadriceps tendon
patellar ligament
132
posterior muscles that move the knee joint/leg A
extension of thigh
flexion of leg
133
posterior muscles that move the knee joint (3)
(hamstrings)
biceps femoris
semimembranosus
semitendinosus
134
crural muscles
muscles that move the ankle, foot, and toes
135
anterior crural muscles action
dorsiflex foot
136
lateral crural muscles action
evert foot
137
posterior crural muscles action
plantar flex foot
138
anterior crural muscles (3)
extensor digitorum longus
extensor hallucis longus
tibialis anterior
139
muscles of lateral leg (2)
fibularis longus
fibularis brevis
140
muscles of posterior leg (3) that form calcaneal tendon?
1. gastrocnemius
2. soleus
3. plantaris
141
muscles of posterior leg (3) deep and A
tibialis posterior
flexor digitorum longus
flexor hallucis longus
A: plantar flexion
