Exam 1 - Thigh Flashcards
(180 cards)
1
Q
What are the muscles of the Anterior Thigh (flexors of the hip)?
A
Pectineus, Iliopsoas (Psoas major, Iliacus), Psoas minor, Sartorius
2
Q
What are the muscles of the Anterior Thigh (Extensors of the knee)?
A
Quadriceps femoris (Rectus femoris, Vastus lateralis, Vastus medialis, Vastus intermedius).
3
Q
What are the muscles of the Medial Thigh (Adductors of the Thigh)?
A
Adductor longus, Adductor brevis, Adductor magnus, Gracilis, Obturator Externus
4
Q
What is the origin of Pectineus?
A
pecten of the pubis
5
Q
What is the insertion of Pectineus?
A
pectineal line of the femur
6
Q
What is the function of Pectineus?
A
adducts, flexes, and medially rotates the thigh
7
Q
What compartment is Pectineus in?
A
Anterior Thigh
8
Q
What innervates Pectineus?
A
femoral nerve and possibly the anterior division of the obturator nerve
9
Q
What supplies blood to Pectineus?
A
medial femoral circumflex a.
10
Q
What is the origin of Iliopsoas?
A
iliac fossa; bodies and transverse processes of lumbar vertebrae
11
Q
What is the insertion of Iliopsoas?
A
lesser trochanter of the femur
12
Q
What is the function of Iliopsoas?
A
flexes the thigh; flexes and laterally bends the lumbar vertebral column
13
Q
What innervates the Iliopsoas?
A
branches of the ventral primary rami of spinal nerves L2-L4; branches of the femoral nerve
14
Q
What compartment is Iliopsoas in?
A
Anterior Thigh
15
Q
What supplies blood to Iliopsoas?
A
iliolumbar a.
16
Q
What combines to make Iliopsoas?
A
Iliacus and Psoas major
17
Q
What is the origin of Psoas major?
A
bodies and transverse processes of lumbar vertebrae
18
Q
What is the insertion of Psoas major?
A
lesser trochanter of femur (with iliacus) via iliopsoas tendon
19
Q
What are the functions of Psoas major?
A
flexes the thigh; flexes & laterally bends the lumbar vertebral column
20
Q
What innervates Psoas major?
A
branches of the ventral primary rami of spinal nerves L2-L4
21
Q
What compartment is Psoas major in?
A
Anterior thigh
22
Q
What supplies blood to Psoas major?
A
subcostal a., lumbar aa.
23
Q
What is the origin of Iliacus?
A
iliac fossa and iliac crest; ala of sacrum
24
Q
What is the insertion of Iliacus?
A
lesser trochanter of the femur
25
What are the functions of Iliacus?
flexes the thigh; if the thigh is fixed it flexes the pelvis on the thigh
26
What innervates Iliacus?
femoral nerve
27
What supplies blood to Iliacus?
iliolumbar a.
28
What compartment is Iliacus in?
Anterior thigh
29
What does Iliacus combine with to make Iliopsoas?
Psoas major
30
What is the origin of Psoas minor?
bodies of the T12 & L1 vertebrae
31
What is the insertion of Psoas minor?
iliopubic eminence at the line of junction of the ilium and the superior pubic ramus
32
What are the functions of Psoas minor?
flexes & laterally bends the lumbar vertebral column
33
What innervates Psoas minor?
branches of the ventral primary rams of spinal nerves L1-L2
34
What supplies blood to Psoas minor?
lumbar aa.
35
What is the origin of Sartorius?
anterior superior iliac spine
36
What is the insertion of Sartorius?
medial surface of the tibia (pes anserinus)
37
What are the functions of Sartorius?
flexes, abducts and laterally rotates the thigh; flexes leg
38
What innervates Sartorius?
femoral nerve
39
What supplies blood to Sartorius?
lateral femoral circumflex a., saphenous a.
40
What does Sartorius mean?
"Tailor" It helps cross the leg.
41
What compartment is Sartorius in?
Anterior thigh
42
What compartment is Psoas minor in?
Anterior thigh
43
What is the origin for Quadriceps femoris?
lateral border of the ischial tuberosity
44
What is the insertion for Quadriceps femoris?
quadrate line of the femur below the intertrochanteric crest
45
What is the function of Quadriceps femoris?
laterally rotates the thigh
46
What innervates Quadriceps femoris?
nerve to the quadratus femoris m.
47
What supplies blood to Quadriceps femoris?
inferior gluteal a.
48
What muscles make up the Quadriceps femoris?
Rectus femoris, Vastus lateralis, Vastus intermedius, Vastus medialis
49
What compartment is the Quadriceps femoris in?
Anterior Thigh
50
What is the origin of Rectus femoris?
straight head: anterior inferior iliac spine; reflected head: above the superior rim of the acetabulum
51
What is the insertion of Rectus femoris?
patella and tibial tuberosity (via the patellar ligament)
52
What is the function of Rectus femoris?
extends the leg, flexes the thigh
53
What innervates Rectus femoris?
femoral nerve
54
What supplies blood to Rectus femoris?
lateral circumflex femoral a.
55
What muscle is Rectus femoris part of?
Quadriceps femoris
56
What compartment is Rectus femoris in?
Anterior thigh
57
What is the origin of Vastus lateralis?
lateral intermuscular septum, lateral lip of the linea aspera and the gluteal tuberosity
58
What is the insertion of Vastus lateralis?
patella and medial patellar retinaculum
59
What is the function of Vastus lateralis?
extends leg
60
What innervates Vastus lateralis?
femoral nerve
61
What supplies blood to Vastus lateralis?
lateral femoral circumflex a., perforating branches of the deep femoral a.
62
What muscle group is Vastus lateralis part of?
Quadriceps femoris
63
What is the origin of Vastus Intermedius?
anterior and lateral surface of the femur
64
What is the insertion of Vastus Intermedius?
patella
65
What is the function of Vastus Intermedius?
extends the leg
66
What innervates Vastus Intermedius?
femoral nerve
67
What supplies blood to Vastus Intermedius?
lateral femoral circumflex a.
68
What compartment is Vastus Intermedius in?
Anterior Thigh
69
What compartment is Vastus lateralis in?
Anterior Thigh
70
What muscle group is Vastus Intermedius part of?
Quadriceps femoris
71
What is the origin of Vastus medialis?
medial intermuscular septum, medial lip of the linea aspera
72
What is the insertion of Vastus medialis?
patella and medial patellar retinaculum
73
What is the function of Vastus medialis?
extends leg
74
What innervates Vastus medialis?
femoral nerve
75
What supplies blood to Vastus medialis?
lateral femoral circumflex a.
76
What compartment is Vastus medialis in?
Anterior thigh
77
What muscle group is Vastu medialis part of?
Quadriceps femoris
78
What is the origin for Adductor longus?
medial portion of the superior pubic ramus
79
What is the insertion for Adductor longus?
linea aspera of the femur
80
What is the function of Adductor longus?
adducts, flexes, and medially rotates the femur
81
What innervates the Adductor longus?
anterior division of the obturator nerve
82
What supplies blood to Adductor longus?
obturator a., deep femoral a.
83
Which muscle is the most anterior of the Adductor thigh muscles?
Adductor longus
84
What compartment is Adductor longus in?
Medial thigh
85
What is the origin for Adductor brevis?
inferior pubic ramus
86
What is the insertion for Adductor brevis?
pectineal line and linea aspera (deep to the pectineus and adductor longus mm.) of femur
87
What is the function of Adductor brevis?
adducts, flexes, and medially rotates the femur
88
What innervates Adductor brevis?
anterior division of the obturator nerve
anterior and posterior divisions of the obturator nerve lie on the anterior and posterior surfaces of adductor brevis
89
What supplies blood to Adductor brevis?
obturator a., deep femoral a
90
What compartment is Adductor brevis in?
Medial thigh
91
What is the origin of Adductor magnus?
ischiopubic ramus and ischial tuberosity
92
What is the insertion of Adductor magnus?
linea aspera of the femur; the ischiocondylar part inserts on the adductor tubercle of the femur
93
What is the function of Adductor magnus?
adducts, flexes, and medially rotates the femur; extends the femur (ischiocondylar part)
94
What innervates Adductor magnus?
posterior division of the obturator nerve; tibial nerve (ischiocondylar part)
95
What supplies blood to Adductor magnus?
obturator a., deep femoral a., medial femoral circumflex a.
96
What compartment is Adductor magnus in?
Medial thigh
97
What is the origin for Gracilis?
pubic symphysis and the inferior pubic ramus
98
What is the insertion for Gracilis?
medial surface of the tibia (via pes anserinus)
99
What is the function of Gracilis?
adducts the thigh, flexes and medially rotates the thigh, flexes the leg
100
What innervates Gracilis?
anterior division of the obturator nerve
101
What supplies blood to Gracilis?
obturator a.
102
What compartment is Gracilis in?
Medial thigh
103
What is the origin of Obturator externus?
the external surface of the obturator membrane and the superior and inferior pubic rami
104
What is the insertion of Obturator externus?
trochanteric fossa of the femur
105
What is the function of Obturator externus?
laterally rotates the thigh
106
What innervates Obturator externus?
Obturator nerve
107
What supplies blood to Obturator externus?
obturator a.
108
What are the gluteal muscles?
Gluteus maximus, Gluteus medius, Gluteus minimus, Tensor fasciae latae, Piriformis, Obturator internus, Superior gemelli, Inferior gemelli, Quadratus femorus
109
What is the origin of Gluteus maximus?
posterior gluteal line, posterior surface of sacrum and coccyx, sacrotuberous ligament
110
What is the insertion of Gluteus maximus?
upper fibers: iliotibial tract; lowermost fibers: gluteal tuberosity of the femur
111
What is the function of Gluteus maximus?
extends the thigh; laterally rotates the femur
112
What innervates the Gluteus maximus?
inferior gluteal nerve
113
What supplies blood to the Gluteus maximus?
superior and inferior gluteal aa.
114
What compartment is the Gluteus maximus in?
Gluteal region
115
What is the origin of Gluteus medius?
external surface of the ilium between the posterior and anterior gluteal lines
116
What is the insertion of Gluteus medius?
greater trochanter of the femur
117
What are the functions of Gluteus medius?
abducts the femur; medially rotates the thigh
118
What innervates the Gluteus medius?
superior gluteal nerve
119
What supplies blood to the Gluteus medius?
superior gluteal a.
120
What compartment is the Gluteus medius in?
Gluteal region
121
What is the origin of Gluteus minimus?
external surface of the ilium between the anterior and inferior gluteal lines
122
What is the insertion of Gluteus minimus?
greater trochanter of the femur
123
What are the function of Gluteus minimus?
abducts the femur; medially rotates the thigh
124
What innervates the Gluteus minimus?
superior gluteal nerve
125
What supplies blood to the Gluteus minimus?
superior gluteal a.
126
What compartment is the Gluteus minimus in?
Gluteal region
127
What is the origin of Tensor Fasciae Latae?
anterior part of the iliac crest, anterior superior iliac spine
128
What is the insertion of Tensor Fasciae Latae?
iliotibial tract
129
What are the functions of Tensor Fasciae Latae?
flexes, abducts, and medially rotates the thigh
130
What innervates the Tensor Fasciae Latae?
superior gluteal nerve
131
What supplies blood to the Tensor Fasciae Latae?
superior gluteal a.
132
What is the origin of Piriformis?
anterior surface of sacrum
133
What is the insertion of Piriformis?
upper border of greater trochanter of femur
134
What are the functions of Piriformis?
laterally rotates and abducts thigh
135
What innervates the Piriformis?
ventral rami of S1-S2
136
What supplies blood to the Piriformis?
inferior gluteal, lateral sacral, superior gluteal
137
What compartment is Piriformis in?
Gluteal region
138
What is the origin of Obturator internus?
the internal surface of the obturator membrane and margin of the obturator foramen
139
What is the insertions of Obturator internus?
greater trochanter on its medial surface above the trochanteric fossa
140
What are the functions of Obturator internus?
laterally rotates and abducts the thigh
141
What innervates Obturator internus?
nerve to the obturator internus m.
142
What supplies blood to Obturator internus?
obturator a
143
What compartment is Obturator internus in?
Gluteal region
144
What is the origin of Superior Gemellus?
ischial spine
145
What is the insertion of Superior Gemellus?
obturator internus tendon
146
What are the functions of Superior Gemellus?
laterally rotates the femur
147
What innervates the Superior Gemellus?
nerve to the obturator internus m.
148
What supplies blood to the Superior Gemellus?
inferior gluteal a.
149
What is the origin of Inferior Gemellus?
ischial tuberosity
150
What is the insertion of Inferior Gemellus?
obturator internus tendon
151
What is the function of Inferior Gemellus?
laterally rotates the femur
152
What innervates the Inferior Gemellus?
nerve to the quadratus femoris m.
153
What supplies blood to the Inferior Gemellus?
inferior gluteal a.
154
What compartment is the Inferior Gemellus in?
Gluteal region
155
What compartment is the Superior Gemellus in?
Gluteal region
156
What is the origin of Quadratus femoris?
lateral border of the ischial tuberosity
157
What is the insertion of Quadratus femoris?
quadrate line of the femur below the intertrochanteric crest
158
What is the function of Quadratus femoris?
laterally rotates the thigh
159
What innervates Quadratus femoris?
nerve to the quadratus femoris m.
160
What supplies blood to Quadratus femoris?
inferior gluteal a.
161
What compartment is the Quadratus femoris in?
Gluteal region
162
What is the origin of Semitendinosus?
lower, medial surface of ischial tuberosity (common tendon with biceps femoris m.)
163
What is the insertion of Semitendinosus?
medial surface of tibia (via pes anserinus)
164
What are functions of Semitendinosus?
extends the thigh, flexes the leg
165
What innervates the Semitendinosus?
tibial nerve
166
What supplies blood to Semitendinosus?
perforating branches of the deep femoral a.
167
What compartment is the Semitendinosus in?
Posterior Thigh
168
What is the origin of Semimembranosus?
upper, outer surface of the ischial tuberosity
169
What is the insertion of Semimembranosus?
medial condyle of the tibia
170
What is the function of Semimembranosus?
extends the thigh, flexes the leg
171
What innervates the Semimembranosus?
tibial nerve
172
What supplies blood to the Semimembranosus?
perforating branches of the deep femoral a.
173
What compartment is the Semimembranosus in?
Posterior thigh
174
What makes up the Hamstrings?
Semitendinosus, Semimembranosus, Biceps femoris
175
What is the origin of Biceps femoris?
long head: ischial tuberosity; short head: lateral lip of the linea aspera
176
What is the insertion of Biceps femoris?
head of fibula and lateral condyle of the tibia
177
What are the functions of Biceps femoris?
extends the thigh, flexes the leg
178
What innervates the Biceps femoris?
long head: tibial nerve; short head: common fibular (peroneal) nerve
179
What supplies blood to Biceps femoris?
perforating branches of the deep femoral a.
180
What compartment is Biceps femoris in?
Posterior thigh
