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LG Anatomy 2024 > Exam 3 Poinas > Flashcards

Exam 3 Poinas Flashcards

1
Q

Pectineus MA

A

Hip ADDUCTION

Slightly FLEXES hip

Assists with hip LATERAL ROTATION

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2
Q

Pectineus PA

A

Superior pubic ramus

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3
Q

Pectineus DA

A

Pectineal line of femur

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4
Q

Pectineus N

A

Femoral nerve (L2, L3); may receive a branch from obturator nerve

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5
Q

Sartorius MA

A

At the hip:
- FLEXION
- ABduction
- LATERAL ROTATION

At the knee:
- FLEXION
- MEDIAL ROTATION when flexed

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6
Q

Sartorius PA

A

Anterior superior iliac spine (ASIS)

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7
Q

Sartorius DA

A

Pes anserine of tibia

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8
Q

Sartorius N

A

Femoral nerve (L2, L3)

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9
Q

Gluteus Maximus MA

A

Hip EXTENSION
(especially from flexed position)

Assists in hip LATERAL ROTATION

Fixes hip joint and assists in
rising from sitting position

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10
Q

Gluteus Maximus PA

A

Posterior gluteal line of ilium; dorsal sacrum and coccyx; sacrotuberous ligament

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11
Q

Gluteus Maximus DA

A

Most fibers end in *iliotibial tract, which attaches to Gerdy’s tubercle of tibia; some fibers insert on gluteal tuberosity

*”IT band” will also be accepted

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12
Q

Gluteus Maximus N

A

Inferior gluteal nerve (L5, S1, S2)

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13
Q

Gluteus Medius MA

A

Hip ABduction (all)
Hip MEDIAL ROTATION (TFL and anterior fibers of Glut Med/Min)
Hip EXTERNAL ROTATION by posterior fibers Glut Med
Keeps contralateral pelvis level during single limb stance
(Ipsilateral limb is weight bearing)

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14
Q

Gluteus Medius PA

A

Ilium, between anterior and posterior
gluteal lines

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15
Q

Gluteus Medius DA

A

Greater trochanter

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16
Q

Gluteus Medius N

A

Superior gluteal nerve (L4, L5, S1)

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17
Q

Gluteus Minimus MA

A

Hip ABduction (all)
Hip MEDIAL ROTATION (TFL and anterior fibers of Glut Med/Min)

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18
Q

Gluteus Minimus PA

A

Ilium, between anterior and inferior gluteal lines
(Does not go up to the iliac crest)

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19
Q

Gluteus Minimus DA

A

Greater trochanter

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20
Q

Gluteus Minimus N

A

Superior gluteal nerve (L4, L5, S1)

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21
Q

Tensor Fasciae Latae MA

A

Main internal rotator!

Hip ABduction (all)
Hip MEDIAL ROTATION (TFL and anterior fibers of Glut Med/Min)

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22
Q

Tensor Fasciae Latae PA

A

Anterior superior iliac spine (ASIS)
anterior iliac crest

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23
Q

Tensor Fasciae Latae DA

A

*liotibial tract, which attaches to
Gerdy’s tubercle of tibia

*“IT band” will also be accepted

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24
Q

Tensor Fasciae Latae N

A

Superior gluteal nerve (L4, L5, S1)

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25
Piriformis MA
LATERALLY ROTATE extended hip ABduct flexed hip STABILIZE hip joint
26
Piriformis PA
Anterior sacrum Sacrotuberous ligament
27
Piriformis DA
Greater trochanter
28
Piriformis N
Anterior rami of S1 and S2
29
Obturator Internus MA
LATERALLY ROTATE extended hip ABduct flexed hip STABILIZE hip joint
30
Obturator Internus PA
Pelvic surface of obturator membrane and surrounding bones
31
Obturator Internus DA
Greater trochanter
32
Obturator Internus N
Nerve to obturator internus (L5, S1)
33
Superior and Inferior Gemelli MA
LATERALLY ROTATE extended hip ABduct flexed hip STABILIZE hip joint
34
Superior and Inferior Gemelli PA
Superior: ischial spine Inferior: ischial tuberosity
35
Superior and Inferior Gemelli DA
Greater trochanter
36
Superior and Inferior Gemelli N
Superior gemellus: same as obturator internus Inferior gemellus: same as quadratus femoris
37
Quadratus Femoris MA
Hip LATERAL ROTATION Hip STABILIZATION
38
Quadratus Femoris PA
Ischial tuberosity
39
Quadratus Femoris DA
Quadratus tubercle on intertrochanteric crest of femur and area inferior to it
40
Quadratus Femoris N
Nerve to quadratus femoris (L5, S1)
41
Adductor Longus MA
Hip ADDUCTION
42
Adductor Longus PA
Body of pubis
43
Adductor Longus DA
Linea aspera of femur
44
Adductor Longus N
Obturator nerve (L2, L3, L4)
45
Adductor Brevis MA
Hip ADDUCTION Hip FLEXION, to some extent
46
Adductor Brevis PA
Body and inferior ramus of pubis
47
Adductor Brevis DA
Pectineal line Linea aspera of femur
48
Adductor Brevis N
Obturator nerve (L2, L3, L4)
49
Adductor Magnus MA
Hip ADDUCTION Adductor part: Hip FLEXION Hamstring part: Hip EXTENSION
50
Adductor Magnus PA
Adductor: inferior pubic ramus and ramus of ischium Hamstring: ischial tuberosity
51
Adductor Magnus DA
Adductor part: gluteal tuberosity, linea aspera, and medial supracondylar line Hamstring part: adductor tubercle of femur
52
Adductor Magnus N
Adductor: obturator nerve (L2, L3, L4) Hamstring part: tibial part of sciatic nerve (L4)
53
Gracilis MA
Hip ADDUCTION Knee FLEXION Knee MEDIAL ROTATION when flexed
54
Gracilis PA
Body and inferior ramus of pubis
55
Gracilis DA
Pes anserine of tibia
56
Gracilis N
Obturator nerve (L2, L3)
57
Obturator Externus MA
Hip LATERAL ROTATION Hip STABILIZATION
58
Obturator Externus PA
Margins of obturator foramen and obturator membrane
59
Obturator Externus DA
Greater trochanter of femur
60
Obturator Externus N
Obturator nerve (L3, L4)
61
Rectus Femoris MA
Knee EXTENSION STEADIES hip joint Helps iliopsoas FLEX hip joint
62
Rectus Femoris PA
Anterior inferior iliac spine (AIIS) and ilium
63
Rectus Femoris DA
Quadriceps tendon to tibial tuberosity via patellar ligament
64
Rectus Femoris N
Femoral nerve (L2, L3, L4)
65
Vastus Lateralis MA
Knee EXTENSION
66
Vastus Lateralis PA
Greater trochanter Lateral lip of linea aspera
67
Vastus Lateralis DA
Quadriceps tendon to tibial tuberosity via patellar ligament VL and VM: Also attach to tibia and patella via aponeuroses (medial and lateral patellar retinacula)
68
Vastus Lateralis N
Femoral nerve (L2, L3, L4)
69
Vastus Medialis MA
Knee EXTENSION
70
Vastus Medialis PA
Intertrochanteric line Medial lip of linea aspera of femur
71
Vastus Medialis DA
Quadriceps tendon to tibial tuberosity via patellar ligament VL and VM: Also attach to tibia and patella via aponeuroses (medial and lateral patellar retinacula)
72
Vastus Medialis N
Femoral nerve (L2, L3, L4)
73
Vastus Intermedius MA
Knee EXTENSION
74
Vastus Intermedius PA
Anterior and lateral femoral shaft
75
Vastus Intermedius DA
Quadriceps tendon to tibial tuberosity via patellar ligament
76
Vastus Intermedius N
Femoral nerve (L2, L3, L4)
77
Popliteus MA
Weakly flexes knee joint and unlocks it by rotating femur 5° on fixed tibia; medially rotates tibia of unplanted limb
78
Popliteus PA
Lateral condyle of femur and lateral meniscus
79
Popliteus DA
Posterior tibia above soleal line
80
Popliteus N
Tibial nerve (L4, L5, S1)
81
Semitendinosus MA
Hip EXTENSION Knee FLEXION Knee MEDIAL ROTATION when flexed When hip and knee are flexed (as when sitting), can EXTEND trunk at hip (to rise)
82
Semitendinosus PA
Ischial tuberosity
83
Semitendinosus DA
Pes anserine of tibia
84
Semitendinosus N
Tibial division of sciatic nerve (L5, S1, S2)
85
Semimembranosus MA
Hip EXTENSION Knee FLEXION Knee MEDIAL ROTATION when flexed When hip and knee are flexed (as when sitting), can EXTEND trunk at hip (to rise)
86
Semimembranosus PA
Ischial tuberosity
87
Semimembranosus DA
Posterior medial tibial condyle Reflected attachment forms oblique popliteal ligament (to lateral femoral condyle)
88
Semimembranosus N
Tibial division of sciatic nerve (L5, S1, S2)
89
Biceps Femoris MA
Knee FLEXION Knee LATERAL ROTATION when flexed Long head only: Hip EXTENSION
90
Biceps Femoris PA
Long head: ischial tuberosity Short head: linea aspera and lateral supracondylar line
91
Biceps Femoris DA
Lateral side of fibular head (Tendon is split at this site by fibular collateral ligament (LCL) of knee)
92
Biceps Femoris N
Long head: tibial division of sciatic nerve (L5, S1, S2) Short head: common fibular division of sciatic nerve (L5, S1, S2)
93
Psoas Major MA
With the origin fixed: - Hip FLEXION - Hip LATERAL ROTATION With the insertion fixed: - Trunk FLEXION toward the thigh - Pelvic ANTERIOR TILT Psoas major only: STABILIZES hip joint when standing
94
Psoas Major PA
Sides of T12 - L5 vertebrae and discs between them TP L1 - L5
95
Psoas Major DA
Lesser trochanter
96
Psoas Major N
Anterior rami of L1, L2, L3
97
Iliacus MA
With the origin fixed: - Hip FLEXION - Hip LATERAL ROTATION With the insertion fixed: - Trunk FLEXION toward the thigh - Pelvic ANTERIOR TILT
98
Iliacus MA
With the origin fixed: - Hip FLEXION - Hip LATERAL ROTATION With the insertion fixed: - Trunk FLEXION toward the thigh - Pelvic ANTERIOR TILT
99
Iliacus DA
Lesser trochanter Psoas tendon
100
Iliacus N
Femoral nerve L2, L3, L4
101
Fibularis Brevis MA
Subtalar joint EVERSION Weak ankle PLANTAR FLEXION
102
Fibularis Brevis PA
Inferior lateral fibula
103
Fibularis Brevis DA
Lateral side of base of 5th metatarsal
104
Fibularis Brevis N
Superficial fibular nerve (L5, S1, S2)
105
Fibularis Longus MA
Subtalar joint EVERSION Weak ankle PLANTAR FLEXION
106
Fibularis Longus PA
Head of fibula Superior lateral fibula
107
Fibularis Longus DA
Medial cuneiform Base of 1st metatarsal
108
Fibularis Longus N
Superficial fibular nerve (L5, S1, S2)
109
Tibialis Anterior MA
Ankle DORSIFLEXION Subtalar joint INVERSION
110
Tibialis Anterior PA
Lateral condyle of tibia Superior 1/2 of tibia Interosseous membrane
111
Tibialis Anterior DA
Medial cuneiform Base of 1st metatarsal
112
Tibialis Anterior N
Deep fibular nerve (L4, L5)
113
Extensor Hallucis Longus MA
Great toe EXTENSION Ankle DORSIFLEXION
114
Extensor Hallucis Longus PA
Middle anterior fibula Interosseous membrane
115
Extensor Hallucis Longus DA
Base of distal phalanx of great toe
116
Extensor Hallucis Longus N
Deep Fibular nerve (L5, S1)
117
Extensor Digitorum Longus MA
Digits 2-5 EXTENSION Ankle DORSIFLEXION
118
Extensor Digitorum Longus PA
Lateral condyle of tibia Superior surface of fibula Interosseous membrane (Note: attaches to ALL 3 structures of the lower leg!)
119
Extensor Digitorum Longus DA
Middle and distal phalanges of digits 2-5
120
Extensor Digitorum Longus N
Deep fibular nerve (L5, S1)
121
Fibularis Tertius MA
Ankle DORSIFLEXION Aids in subtalar joint EVERSION
122
Fibularis Tertius PA
Inferior anterior surface of fibula Interosseous membrane
123
Fibularis Tertius DA
Dorsum of base of 5th metatarsal
124
Fibularis Tertius N
Deep fibular nerve (L5, S1)
125
Gastrocnemius MA
Ankle PLANTAR FLEXION when knee is extended RAISES heel during walking Knee FLEXION
126
Gastrocnemius PA
Medial head: Popliteal surface of femur Lateral head: Lateral femoral condyle
127
Gastrocnemius DA
Calcaneus via calcaneal tendon
128
Gastrocnemius N
Tibial nerve (S1, S2)
129
Soleus MA
Ankle PLANTAR FLEXION independent of knee position Ankle STABILIZATION
130
Soleus PA
Posterior fibula Soleal line and medial tibia Tendinous arch between the bony attachments
131
Soleus DA
Calcaneus via calcaneal / achilles tendon
132
Soleus N
Tibial nerve (S1, S2)
133
Plantaris MA
Weakly assists gastrocnemius with ankle PLANTAR FLEXION
134
Plantaris PA
Lateral supracondylar line of femur Oblique popliteal ligament
135
Plantaris DA
Calcaneus via calcaneal tendon
136
Plantaris N
Tibial nerve (S1, S2)
137
Flexor Hallucis Longus MA
Great toe FLEXION @ ALL joints Weak ankle PLANTAR FLEXION Supports medial longitudinal arch
138
Flexor Hallucis Longus PA
Lower posterior surface of fibula Interosseous membrane
139
Flexor Hallucis Longus DA
Base of distal phalanx of great toe
140
Flexor Hallucis Longus N
Tibial nerve (S2, S3)
141
Flexor Digitorum Longus MA
Digits 2-5 FLEXION Ankle PLANTAR FLEXION Supports longitudinal arches
142
Flexor Digitorum Longus PA
Posterior tibia, inferior to soleal line By a broad tendon to fibula
143
Flexor Digitorum Longus DA
Bases of distal phalanges of digits 2-5
144
Flexor Digitorum Longus N
Tibial nerve (S2, S3)
145
Tibialis Posterior MA
Ankle PLANTAR FLEXION Foot INVERSION Maintains medial longitudinal arch
146
Tibialis Posterior PA
Interosseous membrane Posterior tibia, inferior to soleal line Posterior surface of fibula (Note: attaches to ALL 3 structures of the lower leg!)
147
Tibialis Posterior DA
Tuberosity of navicular Cuneiforms Cuboid Sustentaculum tali of calcaneus Based of 2nd, 3rd, and 4th metatarsals
148
Tibialis Posterior N
Tibial nerve (L4, L5)
149
Where is the Extensor Digitorum Brevis?
Dorsal surface
150
Where is the Extensor Hallucis Brevis?
Dorsal surface
151
Where is Abductor Hallucis?
1st Layer of Plantar Surface
152
Flexor Digitorum Brevis MA
1st Layer of Plantar Surface Digits 2-5 FLEXION @ MTP & PIP joints
153
Flexor Digitorum Brevis PA
Medial tubercle of calcaneal tuberosity Plantar aponeurosis Intermuscular septa
154
Flexor Digitorum Brevis DA
Both sides of middle phalanges of digits 2-5
155
Flexor Digitorum Brevis N
Medial plantar nerve L5, S1
156
Where is Abductor Digiti Minimi?
1st layer of Plantar Surface
157
Quadratus Plantae MA
Assists flexor Digitorum Longus with digits 2-5 FLEXION @ MTP & IP joints
158
Quadratus Plantae PA
Medial calcaneus
159
Quadratus Plantae DA
Flexor digitorum longus tendon
160
Quadratus Plantae N
Lateral plantar nerve (S1-S3)
161
Lumbricals MA
2nd layer of plantar surface Of digits 2-5… MTP joint FLEXION PIP & DIP joint EXTENSION

LG Anatomy 2024 (1 decks)

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