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Sum 2014 - Anat Exam 1 > Exam 1 - Thigh > Flashcards

Exam 1 - Thigh Flashcards

1
Q

What are the muscles of the Anterior Thigh (flexors of the hip)?

A

Pectineus, Iliopsoas (Psoas major, Iliacus), Psoas minor, Sartorius

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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).

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3
Q

What are the muscles of the Medial Thigh (Adductors of the Thigh)?

A

Adductor longus, Adductor brevis, Adductor magnus, Gracilis, Obturator Externus

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4
Q

What is the origin of Pectineus?

A

pecten of the pubis

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5
Q

What is the insertion of Pectineus?

A

pectineal line of the femur

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6
Q

What is the function of Pectineus?

A

adducts, flexes, and medially rotates the thigh

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7
Q

What compartment is Pectineus in?

A

Anterior Thigh

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8
Q

What innervates Pectineus?

A

femoral nerve and possibly the anterior division of the obturator nerve

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9
Q

What supplies blood to Pectineus?

A

medial femoral circumflex a.

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10
Q

What is the origin of Iliopsoas?

A

iliac fossa; bodies and transverse processes of lumbar vertebrae

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11
Q

What is the insertion of Iliopsoas?

A

lesser trochanter of the femur

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12
Q

What is the function of Iliopsoas?

A

flexes the thigh; flexes and laterally bends the lumbar vertebral column

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13
Q

What innervates the Iliopsoas?

A

branches of the ventral primary rami of spinal nerves L2-L4; branches of the femoral nerve

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14
Q

What compartment is Iliopsoas in?

A

Anterior Thigh

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15
Q

What supplies blood to Iliopsoas?

A

iliolumbar a.

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16
Q

What combines to make Iliopsoas?

A

Iliacus and Psoas major

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17
Q

What is the origin of Psoas major?

A

bodies and transverse processes of lumbar vertebrae

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18
Q

What is the insertion of Psoas major?

A

lesser trochanter of femur (with iliacus) via iliopsoas tendon

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19
Q

What are the functions of Psoas major?

A

flexes the thigh; flexes & laterally bends the lumbar vertebral column

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20
Q

What innervates Psoas major?

A

branches of the ventral primary rami of spinal nerves L2-L4

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21
Q

What compartment is Psoas major in?

A

Anterior thigh

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22
Q

What supplies blood to Psoas major?

A

subcostal a., lumbar aa.

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23
Q

What is the origin of Iliacus?

A

iliac fossa and iliac crest; ala of sacrum

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24
Q

What is the insertion of Iliacus?

A

lesser trochanter of the femur

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25
Q

What are the functions of Iliacus?

A

flexes the thigh; if the thigh is fixed it flexes the pelvis on the thigh

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26
Q

What innervates Iliacus?

A

femoral nerve

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27
Q

What supplies blood to Iliacus?

A

iliolumbar a.

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28
Q

What compartment is Iliacus in?

A

Anterior thigh

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29
Q

What does Iliacus combine with to make Iliopsoas?

A

Psoas major

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30
Q

What is the origin of Psoas minor?

A

bodies of the T12 & L1 vertebrae

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31
Q

What is the insertion of Psoas minor?

A

iliopubic eminence at the line of junction of the ilium and the superior pubic ramus

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32
Q

What are the functions of Psoas minor?

A

flexes & laterally bends the lumbar vertebral column

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33
Q

What innervates Psoas minor?

A

branches of the ventral primary rams of spinal nerves L1-L2

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34
Q

What supplies blood to Psoas minor?

A

lumbar aa.

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35
Q

What is the origin of Sartorius?

A

anterior superior iliac spine

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36
Q

What is the insertion of Sartorius?

A

medial surface of the tibia (pes anserinus)

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37
Q

What are the functions of Sartorius?

A

flexes, abducts and laterally rotates the thigh; flexes leg

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38
Q

What innervates Sartorius?

A

femoral nerve

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39
Q

What supplies blood to Sartorius?

A

lateral femoral circumflex a., saphenous a.

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40
Q

What does Sartorius mean?

A

“Tailor” It helps cross the leg.

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41
Q

What compartment is Sartorius in?

A

Anterior thigh

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42
Q

What compartment is Psoas minor in?

A

Anterior thigh

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43
Q

What is the origin for Quadriceps femoris?

A

lateral border of the ischial tuberosity

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44
Q

What is the insertion for Quadriceps femoris?

A

quadrate line of the femur below the intertrochanteric crest

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45
Q

What is the function of Quadriceps femoris?

A

laterally rotates the thigh

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46
Q

What innervates Quadriceps femoris?

A

nerve to the quadratus femoris m.

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47
Q

What supplies blood to Quadriceps femoris?

A

inferior gluteal a.

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48
Q

What muscles make up the Quadriceps femoris?

A

Rectus femoris, Vastus lateralis, Vastus intermedius, Vastus medialis

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49
Q

What compartment is the Quadriceps femoris in?

A

Anterior Thigh

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50
Q

What is the origin of Rectus femoris?

A

straight head: anterior inferior iliac spine; reflected head: above the superior rim of the acetabulum

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51
Q

What is the insertion of Rectus femoris?

A

patella and tibial tuberosity (via the patellar ligament)

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52
Q

What is the function of Rectus femoris?

A

extends the leg, flexes the thigh

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53
Q

What innervates Rectus femoris?

A

femoral nerve

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54
Q

What supplies blood to Rectus femoris?

A

lateral circumflex femoral a.

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55
Q

What muscle is Rectus femoris part of?

A

Quadriceps femoris

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56
Q

What compartment is Rectus femoris in?

A

Anterior thigh

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57
Q

What is the origin of Vastus lateralis?

A

lateral intermuscular septum, lateral lip of the linea aspera and the gluteal tuberosity

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58
Q

What is the insertion of Vastus lateralis?

A

patella and medial patellar retinaculum

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59
Q

What is the function of Vastus lateralis?

A

extends leg

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60
Q

What innervates Vastus lateralis?

A

femoral nerve

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61
Q

What supplies blood to Vastus lateralis?

A

lateral femoral circumflex a., perforating branches of the deep femoral a.

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62
Q

What muscle group is Vastus lateralis part of?

A

Quadriceps femoris

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63
Q

What is the origin of Vastus Intermedius?

A

anterior and lateral surface of the femur

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64
Q

What is the insertion of Vastus Intermedius?

A

patella

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65
Q

What is the function of Vastus Intermedius?

A

extends the leg

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66
Q

What innervates Vastus Intermedius?

A

femoral nerve

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67
Q

What supplies blood to Vastus Intermedius?

A

lateral femoral circumflex a.

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68
Q

What compartment is Vastus Intermedius in?

A

Anterior Thigh

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69
Q

What compartment is Vastus lateralis in?

A

Anterior Thigh

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70
Q

What muscle group is Vastus Intermedius part of?

A

Quadriceps femoris

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71
Q

What is the origin of Vastus medialis?

A

medial intermuscular septum, medial lip of the linea aspera

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72
Q

What is the insertion of Vastus medialis?

A

patella and medial patellar retinaculum

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73
Q

What is the function of Vastus medialis?

A

extends leg

74
Q

What innervates Vastus medialis?

A

femoral nerve

75
Q

What supplies blood to Vastus medialis?

A

lateral femoral circumflex a.

76
Q

What compartment is Vastus medialis in?

A

Anterior thigh

77
Q

What muscle group is Vastu medialis part of?

A

Quadriceps femoris

78
Q

What is the origin for Adductor longus?

A

medial portion of the superior pubic ramus

79
Q

What is the insertion for Adductor longus?

A

linea aspera of the femur

80
Q

What is the function of Adductor longus?

A

adducts, flexes, and medially rotates the femur

81
Q

What innervates the Adductor longus?

A

anterior division of the obturator nerve

82
Q

What supplies blood to Adductor longus?

A

obturator a., deep femoral a.

83
Q

Which muscle is the most anterior of the Adductor thigh muscles?

A

Adductor longus

84
Q

What compartment is Adductor longus in?

A

Medial thigh

85
Q

What is the origin for Adductor brevis?

A

inferior pubic ramus

86
Q

What is the insertion for Adductor brevis?

A

pectineal line and linea aspera (deep to the pectineus and adductor longus mm.) of femur

87
Q

What is the function of Adductor brevis?

A

adducts, flexes, and medially rotates the femur

88
Q

What innervates Adductor brevis?

A

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
Q

What supplies blood to Adductor brevis?

A

obturator a., deep femoral a

90
Q

What compartment is Adductor brevis in?

A

Medial thigh

91
Q

What is the origin of Adductor magnus?

A

ischiopubic ramus and ischial tuberosity

92
Q

What is the insertion of Adductor magnus?

A

linea aspera of the femur; the ischiocondylar part inserts on the adductor tubercle of the femur

93
Q

What is the function of Adductor magnus?

A

adducts, flexes, and medially rotates the femur; extends the femur (ischiocondylar part)

94
Q

What innervates Adductor magnus?

A

posterior division of the obturator nerve; tibial nerve (ischiocondylar part)

95
Q

What supplies blood to Adductor magnus?

A

obturator a., deep femoral a., medial femoral circumflex a.

96
Q

What compartment is Adductor magnus in?

A

Medial thigh

97
Q

What is the origin for Gracilis?

A

pubic symphysis and the inferior pubic ramus

98
Q

What is the insertion for Gracilis?

A

medial surface of the tibia (via pes anserinus)

99
Q

What is the function of Gracilis?

A

adducts the thigh, flexes and medially rotates the thigh, flexes the leg

100
Q

What innervates Gracilis?

A

anterior division of the obturator nerve

101
Q

What supplies blood to Gracilis?

A

obturator a.

102
Q

What compartment is Gracilis in?

A

Medial thigh

103
Q

What is the origin of Obturator externus?

A

the external surface of the obturator membrane and the superior and inferior pubic rami

104
Q

What is the insertion of Obturator externus?

A

trochanteric fossa of the femur

105
Q

What is the function of Obturator externus?

A

laterally rotates the thigh

106
Q

What innervates Obturator externus?

A

Obturator nerve

107
Q

What supplies blood to Obturator externus?

A

obturator a.

108
Q

What are the gluteal muscles?

A

Gluteus maximus, Gluteus medius, Gluteus minimus, Tensor fasciae latae, Piriformis, Obturator internus, Superior gemelli, Inferior gemelli, Quadratus femorus

109
Q

What is the origin of Gluteus maximus?

A

posterior gluteal line, posterior surface of sacrum and coccyx, sacrotuberous ligament

110
Q

What is the insertion of Gluteus maximus?

A

upper fibers: iliotibial tract; lowermost fibers: gluteal tuberosity of the femur

111
Q

What is the function of Gluteus maximus?

A

extends the thigh; laterally rotates the femur

112
Q

What innervates the Gluteus maximus?

A

inferior gluteal nerve

113
Q

What supplies blood to the Gluteus maximus?

A

superior and inferior gluteal aa.

114
Q

What compartment is the Gluteus maximus in?

A

Gluteal region

115
Q

What is the origin of Gluteus medius?

A

external surface of the ilium between the posterior and anterior gluteal lines

116
Q

What is the insertion of Gluteus medius?

A

greater trochanter of the femur

117
Q

What are the functions of Gluteus medius?

A

abducts the femur; medially rotates the thigh

118
Q

What innervates the Gluteus medius?

A

superior gluteal nerve

119
Q

What supplies blood to the Gluteus medius?

A

superior gluteal a.

120
Q

What compartment is the Gluteus medius in?

A

Gluteal region

121
Q

What is the origin of Gluteus minimus?

A

external surface of the ilium between the anterior and inferior gluteal lines

122
Q

What is the insertion of Gluteus minimus?

A

greater trochanter of the femur

123
Q

What are the function of Gluteus minimus?

A

abducts the femur; medially rotates the thigh

124
Q

What innervates the Gluteus minimus?

A

superior gluteal nerve

125
Q

What supplies blood to the Gluteus minimus?

A

superior gluteal a.

126
Q

What compartment is the Gluteus minimus in?

A

Gluteal region

127
Q

What is the origin of Tensor Fasciae Latae?

A

anterior part of the iliac crest, anterior superior iliac spine

128
Q

What is the insertion of Tensor Fasciae Latae?

A

iliotibial tract

129
Q

What are the functions of Tensor Fasciae Latae?

A

flexes, abducts, and medially rotates the thigh

130
Q

What innervates the Tensor Fasciae Latae?

A

superior gluteal nerve

131
Q

What supplies blood to the Tensor Fasciae Latae?

A

superior gluteal a.

132
Q

What is the origin of Piriformis?

A

anterior surface of sacrum

133
Q

What is the insertion of Piriformis?

A

upper border of greater trochanter of femur

134
Q

What are the functions of Piriformis?

A

laterally rotates and abducts thigh

135
Q

What innervates the Piriformis?

A

ventral rami of S1-S2

136
Q

What supplies blood to the Piriformis?

A

inferior gluteal, lateral sacral, superior gluteal

137
Q

What compartment is Piriformis in?

A

Gluteal region

138
Q

What is the origin of Obturator internus?

A

the internal surface of the obturator membrane and margin of the obturator foramen

139
Q

What is the insertions of Obturator internus?

A

greater trochanter on its medial surface above the trochanteric fossa

140
Q

What are the functions of Obturator internus?

A

laterally rotates and abducts the thigh

141
Q

What innervates Obturator internus?

A

nerve to the obturator internus m.

142
Q

What supplies blood to Obturator internus?

A

obturator a

143
Q

What compartment is Obturator internus in?

A

Gluteal region

144
Q

What is the origin of Superior Gemellus?

A

ischial spine

145
Q

What is the insertion of Superior Gemellus?

A

obturator internus tendon

146
Q

What are the functions of Superior Gemellus?

A

laterally rotates the femur

147
Q

What innervates the Superior Gemellus?

A

nerve to the obturator internus m.

148
Q

What supplies blood to the Superior Gemellus?

A

inferior gluteal a.

149
Q

What is the origin of Inferior Gemellus?

A

ischial tuberosity

150
Q

What is the insertion of Inferior Gemellus?

A

obturator internus tendon

151
Q

What is the function of Inferior Gemellus?

A

laterally rotates the femur

152
Q

What innervates the Inferior Gemellus?

A

nerve to the quadratus femoris m.

153
Q

What supplies blood to the Inferior Gemellus?

A

inferior gluteal a.

154
Q

What compartment is the Inferior Gemellus in?

A

Gluteal region

155
Q

What compartment is the Superior Gemellus in?

A

Gluteal region

156
Q

What is the origin of Quadratus femoris?

A

lateral border of the ischial tuberosity

157
Q

What is the insertion of Quadratus femoris?

A

quadrate line of the femur below the intertrochanteric crest

158
Q

What is the function of Quadratus femoris?

A

laterally rotates the thigh

159
Q

What innervates Quadratus femoris?

A

nerve to the quadratus femoris m.

160
Q

What supplies blood to Quadratus femoris?

A

inferior gluteal a.

161
Q

What compartment is the Quadratus femoris in?

A

Gluteal region

162
Q

What is the origin of Semitendinosus?

A

lower, medial surface of ischial tuberosity (common tendon with biceps femoris m.)

163
Q

What is the insertion of Semitendinosus?

A

medial surface of tibia (via pes anserinus)

164
Q

What are functions of Semitendinosus?

A

extends the thigh, flexes the leg

165
Q

What innervates the Semitendinosus?

A

tibial nerve

166
Q

What supplies blood to Semitendinosus?

A

perforating branches of the deep femoral a.

167
Q

What compartment is the Semitendinosus in?

A

Posterior Thigh

168
Q

What is the origin of Semimembranosus?

A

upper, outer surface of the ischial tuberosity

169
Q

What is the insertion of Semimembranosus?

A

medial condyle of the tibia

170
Q

What is the function of Semimembranosus?

A

extends the thigh, flexes the leg

171
Q

What innervates the Semimembranosus?

A

tibial nerve

172
Q

What supplies blood to the Semimembranosus?

A

perforating branches of the deep femoral a.

173
Q

What compartment is the Semimembranosus in?

A

Posterior thigh

174
Q

What makes up the Hamstrings?

A

Semitendinosus, Semimembranosus, Biceps femoris

175
Q

What is the origin of Biceps femoris?

A

long head: ischial tuberosity; short head: lateral lip of the linea aspera

176
Q

What is the insertion of Biceps femoris?

A

head of fibula and lateral condyle of the tibia

177
Q

What are the functions of Biceps femoris?

A

extends the thigh, flexes the leg

178
Q

What innervates the Biceps femoris?

A

long head: tibial nerve; short head: common fibular (peroneal) nerve

179
Q

What supplies blood to Biceps femoris?

A

perforating branches of the deep femoral a.

180
Q

What compartment is Biceps femoris in?

A

Posterior thigh

Sum 2014 - Anat Exam 1 (14 decks)

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