posterior muscles (q7) Flashcards
1
Q
action of erector spinae
A
prime mover of back extension
2
Q
origin of trapezius
A
occipital bone, ligamentum nuchae, and spinous processes of c7-t12
3
Q
insertion of trapezius
A
spine and acromion of scapula, lateral 1/3 of the clavicle
4
Q
action of trapezius
A
stabilizes, elevates, retracts, depresses, and upward rotates the scapula
5
Q
origin of levator scapulae
A
transverse processes of c1-c4
6
Q
insertion of the levator scapulae
A
superior vertebral border of the scapula
7
Q
origin of rhomboideus major
A
spinous processes of t2-t5
8
Q
insertion of rhomboideus major
A
vertebral border of scapula from spine to inferior angle
9
Q
action of rhomboideus major and minor
A
adducts and downward rotates scapula
10
Q
origin of rhomboideus minor
A
spinous processes of c7-t1
11
Q
insertion of rhomboideus minor
A
vertebral border of scapula, superior to spine of scapula
12
Q
origin of teres major
A
inferior angle of scapula
13
Q
insertion of teres major
A
intertubercular groove of humerus
14
Q
action of teres major
A
extends, adducts, and medially rotates arm
15
Q
origin of latissimus dorsi
A
spinous processes of t7-t12, l1-l5, ribs 8-12, and iliac crest of os coxa
16
Q
insertion of latissimus dorsi
A
intertubercular groove of the humerus
17
Q
origin of supraspinatus
A
supraspinous fossa of the scapula
18
Q
insertion of the supraspinatus
A
greater tubercle of humerus
19
Q
action of supraspinatus
A
abducts arm; stabilizes shoulder joint
20
Q
origin of infraspinous
A
infraspinous fossa of the scapula
21
Q
insertion of infraspinous
A
greater tubercle of humerus
22
Q
action of infraspinous
A
laterally rotates arm; stabilizes shoulder joint
23
Q
origin of subscapularis
A
subscapular fossa of the scapula
24
Q
insertion of subscapularis
A
lesser tubercle of humerus
25
action of subscapularis
prime mover of arm medial rotation; stabilizes shoulder joint
26
origin of teres minor
lateral scapular border
27
insertion of teres minor
greater tubercule of humerus
28
action of teres minor
laterally rotates arm; stabalizes shoulder joint
29
origin of long head of triceps brachii
infraglenoid tubercle of scapula
30
origin of lateral head of triceps brachii
proximal end of lateral humeral margin
31
origin of medial head of triceps brachii
distal to radial groove on posterior humeral shaft
32
insertion of triceps brachii
olecranon process of ulna
33
action of triceps brachii
prime mover of forearm extension; extends arm
34
origin of aconeus
lateral epicondyle of the humerus
35
insertion of anconeus
lateral process of olecranon process of ulna
36
action of anconeus
extends forearm; abducts ulna during forearm pronation
37
a
trapezius
38
b
splenius capitis and cervicis
39
c
levator scapulae
40
a
supraspinatus
41
b
infraspinatus
42
c
teres minor
43
d
teres major
44
e
long head of the triceps brachii
45
f
lateral head of the triceps brachii
46
g
aconeus
47
a
subscapularis
48
b
teres major
49
c
tendon of latissimus dorsi
50
d
medial head of triceps brachii
51
e
flexor carpi ulnaris
52
f
palmaris longus
53
g
flexor carpi radialis
54
h
flexor digitorum superficialis
55
a
flexor digitorum profundus
56
b
flexor pollicis longus
57
c
flexor retinaculum
58
a
supraspinatus
59
b
infraspinatus
60
c
trapezius
61
d
teres minor
62
e
teres major
63
f
latissimus dorsi
64
g
long head of the triceps brachii
65
h
lateral head of the triceps brachii
66
a
subscapularis
67
b
teres major
68
c
latissimus dorsi
69
a
rhomboideus minor
70
b
rhomboideus major
71
a
trapezius
72
b
infraspinatus
73
c
teres minor
74
d
long head of the triceps brachii
75
e
teres major
76
f
latissimus dorsi
77
a
supraspinatus
78
b
infraspinatus
79
c
teres minor
80
d
teres major
81
e
latissimus dorsi
82
a
latissimus dorsi
83
b
errector spinae
84
forced abduction when adducting as as when a planted foot slips when kicking, pulling a thigh adductor
adductor strain
85
explain carpal tunnel syndrome
inflammation of carpal tunnel can compress the median nerve. often from using vibrating handheld tools
86
tearing of a muscle caused bleeding into tissues and severe pain. occurring to the quadratus femoris common in football players
charley horse
87
types of hernias
abdominal, femoral, hiatal, inguinal, and umbilical
88
most common type of hernia
congenital inguinal hernia (inguinal means intestines)
89
describe intramuscular injections
usually given in the deltoid but could also be in the gluteus medius in children
90
muscle spasm
sudden twitching that may be helped by massaging
91
muscle strain
tearing of a muscle from sudden movement. bleeding is possible. sometimes called a muscle pull
92
tear of rotator cuff tendons
rotator cuff injury
93
tendons of rotator cuff are pinched, sometimes called swimmer's shoulder
impingement syndrome
94
swelling of tibialis anterior. swelling cuts off its own circulation and presses on nerves
shin splints
95
overuse of tendon of origin of forearm extensors at lateral epicondyle. muscles contract forcefully to extend wrist
tennis elbow
96
origin of gluteus maximus
dorsal ilium of the os coxa, sacrum, coccyx, and lumbodorsal fascia
97
insertion of gluteus maximus
gluteal tuberosity of femur and iliotibial tract
98
action of gluteus maximus
major thigh flexor; laterally rotates thigh
99
origin of gluteus medius
posterolateral iliac crest of ilium between posterior and anterior gluteal lines of the os coxa
100
insertion of gluteus medius
greater trochanter of femur
101
action of gluteus medius
abducts and medially rotates thigh; steadies pelvis
102
origin of gluteus minimus
lateral surface of ilium between inferior and anterior gluteal lines of the ox coxa
103
insertion of gluteus minimus
greater trochanter of femur
104
action of gluteus minimus
abducts and medially rotates thigh; steadies pelvis
105
origin of piriformis
anterolateral surface of the sacrum
106
insertion of priformis
greater trochanter of femur
107
action of priformis
laterally rotates thigh; abducts thigh when thigh is flexed
108
origin of superior gemellus
ischial spine of the os coxa
109
insertion of superior gemellus
medial surface of greater trochanter of femur
110
action of superior gemellus
laterally rotates thigh; abducts thigh when thigh flexed
111
origin of obturator internus
obturator membrane and obturator foramen of the os coxa
112
insertion of obturator internus
medial surface of greater trochanter of femur
113
action of obturator internus
laterally rotates thigh; abducts thigh when thigh flexed
114
origin of inferior gemellus
ischial tuberosity of os coxa
115
insertion of inferior gemellus
medial surface of greater trochanter of femur
116
action of inferior gemellus
laterally rotates thigh; abducts thigh when thigh flexed
117
origin of quadratus femoris
ischial tuberosity of os coxa
118
insertion of quadratus femoris
intertrochanteric crest of the femur
119
action of quadratus femoris
laterally rotates thigh
120
origin of long head of biceps femoris
ischial tuberosity of the os coxa
121
origin of short head of biceps femoris
linea aspera of femur
122
insertion of biceps femoris
head of fibula and lateral condyle of tibia
123
action of biceps femoris
extends thigh; flexes and laterally rotates lower leg
124
origin of semitendinosus
ischial tuberosity of the os coxa
125
insertion of semitendinosus
medial proximal tibial shaft
126
action of semitendinosus
extends thigh; flexes and medially rotates lower leg
127
origin of semimembranosus
ischial tuberosity of os coxa
128
insertion of semimembranosus
medial condyle of the tibia
129
action of semimembranosus
extends thigh; flexes and medially rotates lower leg
130
a
gluteus maximus
131
a
gluteus medius
132
b
priformis
133
c
superior gemellus
134
d
obturator internus
135
e
inferior gemellus
136
f
quatdratus femoris
137
a
long head of biceps femoris
138
b
semitendinosus
139
c
semimembranosus
140
d
lateral head of gastrocnemius
141
e
medial head of gastrocnemius
142
a
short head of biceps femoris
143
a
soleus
144
b
plantaris
145
a
popliteus
146
b
tibialis posterior
147
c
flexor hallucis longus
148
d
flexor digitorum longus
