Test 2 Muscles Flashcards
(143 cards)
1
Q
External abdominis oblique nerve (2)
A
Lower 5 ICs and subcostal
2
Q
External abdominis oblique origin
A
External surface of lower 8 ribs
3
Q
External abdominis oblique insertion (2)
A
Anterior 1/2 of iliac crest and linea alba
4
Q
External abdominis oblique action (3)
A
Compresses and supports abdominal viscera; rotates and flexes vertebral column
5
Q
Internal abdominis oblique nerve (20
A
Lower 4 ICs, subcostal, and 1st lumbar nerves
6
Q
Internal abdominis oblique insertion (3)
A
Cartilages of lower ribs, linea alba, and conjoined tendon
7
Q
Internal abdominis oblique action (3)
A
Compresses and supports abdominal viscera, rotates and flexes vertebral column
8
Q
Transversus abdominis nerve (3)
A
Lower 5 ICs, subcostal and 1st lumbar nerves
9
Q
Transversus abdominis insertion (2)
A
Linea alba and conjoined tendon onto pubis
10
Q
Transversus abdominis action
A
Compresses and supports abdominal viscera
11
Q
Rectus abdominis nerve (2)
A
Lower 5 ICs and subcostal
12
Q
Rectus abdominis origin (2)
A
Crest and symphysis of pubis
13
Q
Rectus abdominis insertion (2)
A
Xiphoid process and 5-7th costal cartilages
14
Q
Rectus abdominis actions (2)
A
Tenses abdominal wall and flexes vertebral column
15
Q
Quadratus lumborum nerve (2)
A
Subcostal and upper lumbar nns
16
Q
Quadratus lumborum insertion (2)
A
Lower border of 12th rib and transverse processes of upper 4 lumbar vertebrae
17
Q
Quadratus lumborum action (2)
A
Draws last rib toward pelvis and flexes vertebral column laterally
18
Q
Iliacus nerve
A
Femoral n.
19
Q
Iliacus Origin (2)
A
Iliac fossa and lateral portion of sacrum
20
Q
Iliacus Insertion
A
Lesser trochanter of femur
21
Q
Iliacus Action
A
Flexes thigh
22
Q
Psoas major nerve
A
Ventral rami of L2-4
23
Q
Psoas major origin
A
Vertebral discs and transverse processes (T12-L5)
24
Q
Psoas major insertion
A
Lesser trochanter of femur
25
Psoas major action (2)
Flexes thigh and vertebral column
26
Psoas minor nerve
1st lumbar nerve
27
Psoas minor origin
Bodies and discs of T12/L1
28
Psoas minor insertion (2)
Pectineal line and iliopectineal eminence of pelvis
29
Psoas minor action
Flexes vertebral column
30
Diaphragm nerve
Phrenic
31
Diaphragm insertion
Central tendon
32
Ischiocavernosus nerve
Perineal branch of pudendal n.
33
Ischiocavernosus origin
Pelvic surface of inferior ramus of ischium surrounding crus
34
Ischiocavernosus insertion
Crus near pubic symphysis
35
Ischiocavernosus action
Maintains erection by compression of crus
36
Bulbospongiosus nerve
Perineal branch of pudendal nerve
37
Bulbospongiosus insertion (male, 2)
Corpus cavernosum and root of penis
38
Bulbospongiosus insertion (female, 2)
Dorsum of clitoris and superficial layer of urogenital diaphragm between crura of clitoris
39
Bulbiospongiosus action (male, 2)
Compresses bulb, possibly acts in erection
40
Bulbiospongiosus action (female, 2)
Compresses bulb and vaginal orifice
41
Superficial transverse perineal nerve
Perineal branch of pudendal nerve
42
Superficial transverse perineal origin
Ramus of ischium near tuberosity
43
Superficial transverse perineal insertion
Central body of perineum
44
Superficial transverse perineal action
Supports central body of perineum
45
Sphincter urethrae nerve
Perineal branch of pudendal nerve
46
Sphincter urethrae origin
Inferior ramus of ischium
47
Sphincter urethrae action
Closes and compresses urethra
48
Deep transverse perineal nerve
Perineal branch of pudendal nerve
49
Deep transverse perineal origin
Internal aspect of inferior ramus of ischium
50
Deep transverse perineal insertion (2)
Median raphe and central tendon of perineum
51
Deep transverse perineal action
Fixes central body of perineum
52
External anal sphincter nerve
Inferior rectal nerve
53
External anal sphincter origin (3)
Skin, fascia, and tip of coccyx
54
External anal sphincter insertion
Central tendon of perineum
55
External anal sphincter action
Closes anus
56
Obturator internus nerve
Nerve to obturator internus
57
Obturator internus origin
Pelvic surface of obturator membrane/surrounding bone
58
Obturator internus insertion
Greater trochanter of femur
59
Obturator internus action (2)
Abducts and rotates thigh laterally
60
Piriformis nerve
Sacral branches S1-2
61
Piriformis origin (2)
Anterior surface of sacrum and sacrotuberous ligament
62
Piriformis insertion
Superior border of greater trochanter
63
Piriformis action (2)
Rotates thigh laterally and abducts flexed thigh
64
Levator ani nerve
Branches from S4
65
Levator ani insertion (5)
Walls of urethra, vagina, anal canal, anococcygeal ligament and coccys
66
Levator ani action
Supports pelvic contents for abdominal pressure
67
Coccygeus nerve
Branches from S4/S5
68
Coccygeus origin
Ischial spine
69
Coccygeus insertion (2)
Lower sacrum and coccyx
70
Coccygeus action
Supports pelvic contents for abdominal pressure
71
Gluteus maximus nerve
Inferior gluteal n.
72
Gluteus maximus insertion (2)
Gluteal tuberosity, iliotibial tract
73
Gluteus maximus action (2)
Chief extensor of thigh, lateral rotator of hip
74
Gluteus medius nerve
Superior gluteal n.
75
Gluteus medius and minimus origin
Ilium bw ant. and post. gluteal lines
76
Gluteus medius insertion
Lateral surface of greater trochanter
77
Gluteus medius action
Abducts hip
78
Gluteus minimus nerve
Superior gluteal
79
Gluteus minimus insertion
Greater trochanter
80
Gluteus minimus action (2)
Abducts thigh and rotates thigh medially
81
Superior gemellus nerve
Nerve to obturator internus
82
Superior gemellus origin
Ischial spine
83
Superior gemellus insertion
Medial surface of greater trochanter
84
Superior gemellus action (2)
Abducts and rotates thigh laterally
85
Inferior gemellus nerve
Nerve to quadratus femoris
86
Inferior gemellus origin
Ischial tuberosity
87
Inferior gemellus Insertion
Medial surface of greater trochanter
88
Inferior gemellus action (2)
Abducts and rotates thigh laterally
89
Quadratus femoris nerve
Nerve to quadratus femoris
90
Quadratus femoris origin
Lateral border of ischial tuberosity
91
Quadratus femoris insertion
Quadrate tubercle on intertrochanteric crest
92
Quadratus femoris action (2)
Rotates thigh laterally, steadies head in acetabulum
93
Pectineus nerve
Femoral n.
94
Pectineus origin
Pectineal line on superior ramus of pubis
95
Pectineus insertion
Pectineal line on femur
96
Pectineus action (2)
Adducts and flexes thigh
97
Tensor fasciae lata nerve
Superior gluteal
98
Tensor fasciae lata origin (2)
Iliac crest and anterior superior iliac spine
99
Tensor fasciae lata insertion
Iliotibial tract
100
Tensor fasciae lata action (3)
Flexes, abducts, and rotates thigh medially
101
Sartorius nerve
Femoral
102
Sartorius origin
Just below anterior superior iliac spine
103
Sartorius insertion
Superior medial surface of tibia
104
Sartorius action (3)
Flexes, abducts, and laterally rotates thigh
105
Quadriceps nerve
Femoral
106
Rectus femoris origin (2)
Anterior inferior iliac spine and ilium superior to acetabulum
107
Quadriceps insertion
Base of patella/patellar ligament to tibial tuberosity
108
Quadriceps action (2)
Extends leg; rectus femoris also flexes thigh
109
Vastus lateralis origin (2)
Greater trochanter and lateral lip of linea aspera
110
Vastus medialis origin (2)
Intertrochanteric line, medial lip of linea aspera
111
Vastus intermedius origin
Anterior and lateral surfaces of femur body
112
Adductor brevis nerve
Obturator
113
Adductor brevis origin (2)
Body and inferior pubic ramis
114
Adductor brevis insertion (2)
Pectineal line, proximal part of linea aspera
115
Adductor brevis action
Adducts thigh
116
Adductor longus nerve
Obturator
117
Adductor longus origin
Body of pubis inferior to pubic crest
118
Adductor longus insertion
Middle 1/3 of linea aspera
119
Adductor longus action
Adducts thigh
120
Adductor magnus nerve (2)
Obturator and sciatic
121
Adductor magnus origin (2)
Ischiopubic ramis; ischial tuberosity
122
Adductor magnus insertion (3)
Linea aspera, medial supracondylar line, adductor tubercle
123
Adductor magnus action (3)
Adducts, flexes, and extends thigh
124
Gracilis nerve
Obturator
125
Gracilis origin (2)
Body and inferior pubic ramus
126
Gracilis insertion
Superior part of medial surface of tibia
127
Gracilis action (2)
Adducts thigh, flexes leg
128
Obturator externus nerve
Obturator
129
Obturator externus origin (2)
Margin of obturator foramen and obturator membrane
130
Obturator externus insertion
Intertrochanteric fossa of femur
131
Obturator externus action (2)
Rotates thigh laterally, steadies femur in acetabulum
132
Semitendinosus nerve
Tibial portion of sciatic
133
Semitendinosus origin
Ischial tuberosity
134
Semitendinosus insertion
Medial surface of superior part of tibia
135
Semitendinosus action (3)
Extends thigh, flexes and rotates leg medially
136
Semimembranosus nerve
Tibial portion of sciatic
137
Semimembranosus origin
Ischial tuberosity
138
Semimembranosus insertion
Posterior part of medial condyle of tibia
139
Semimembranosus action (3)
Extends thigh, flexes and rotates leg medially
140
Biceps femoris nerve (2)
Long head - tibial
| Short head - common fibular
141
Biceps femoris origin (1 and 2)
Long head - ischial tuberosity
| Short head - linea aspera and lateral supracondylar line
142
Biceps femoris insertion
Lateral side of head of fibula
143
Biceps femoris action (3)
Extends thigh, flexes and rotates leg laterally
