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3A - Random Stuff for 3rd Year Exam > Anatomy - Lower Limb Muscles > Flashcards

Anatomy - Lower Limb Muscles Flashcards

(130 cards)

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1
Q

Iliacus - attachments

A

Origin - iliac fossa

Insertion - lesser trochanter of femur

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2
Q

Iliacus - innervation

A

Femoral nerve

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3
Q

Iliacus - actions

A

Flexion of hip

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4
Q

Psoas major - attachements

A

Origin - lumbar vertebrae

Insertion - lesser trochanter of femur

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5
Q

Psoas major - innervation

A

Anterior rami of L1-L3

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6
Q

Psoas major - actions

A

Flexion of hip

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7
Q

Muscles of quadratus femoris

A

Vastus lateralis

Vastus intermedius

Vastus medialis

Rectus femoris

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8
Q

Vastus lateralis - attachments

A

Origin - greater trochanter of femur

Insertion - ?

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9
Q

Vastus lateralis - innervation

A

Femoral nerve

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10
Q

Vastus lateralis - actions

A

Extension of knee

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11
Q

Vastus intermedius - attachments

A

Origin - anterior and lateral surfaces of femoral shaft

Insertion - ?

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12
Q

Vastus intermedialis - innervation

A

Femoral nerve

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13
Q

Vastus intermedius - actions

A

Extension of knee

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14
Q

Vastus medialis - attachments

A

Origin - intertrochanteric line and medial lip of linea aspera

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15
Q

Vastus medialis - innervation

A

Femoral nerve

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16
Q

Vastus medialis - actions

A

Extension of knee

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17
Q

Rectus femoris - attachments

A

Origin - anterior inferior iliac spine and area of ilum superior to acetabulim

Insertion - patella via quadriceps femoris tendon

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18
Q

Rectus femoris - innervation

A

Femoral nerve

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19
Q

Rectus femoris - actions

A

Flexion of hip

Extension of knee

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20
Q

Sartorius - attachments

A

Origin - anterior superior iliac spine

Insertion - superior, medial surface of tibia

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21
Q

Sartorius - innervation

A

Femoral nerve

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22
Q

Sartorius - actions

A

Flexion and abduction of hip

Flexion of knee

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23
Q

Pectineus - attachments

A

Origin - pectineal line on anterior surface of pelvis

Insertion - pectineal line on posterior side of femur

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24
Q

Pectineus - innervation

A

Femoral nerve

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25
Pectineus - actions
Adduction and flexion of hip
26
Adductor magnus - attachments
* Origin * Adductor part - inferior rami of rubis * Hamstring part - ischial tuberosity * Insertion * Adductor part - linea aspera of femur * Hamstring part - adductor tubercle and medial supracondylar line of femur
27
Adductor magnus - innervation
Adductor part - obturator nerve Hamstring part - tibial component of sciatic nerve
28
Adductor magnus - actions
Both components adduct hip, adductor components also flexes hip and hamstring portion extends hip
29
Adductor longus - attachments
Origin - pubis Insertion - linea aspera of femur
30
Adductor longus - innervation
Obturator nerve
31
Adductor longus - actions
Adduction of thigh
32
Adductor brevis - attachments
Origin - body of pubis Insertion - linea aspera on posterior surface of femur
33
Adductor brevis - innervation
Obturator nerve
34
Adductor brevis - actions
Adduction of hip
35
Obturator externus - attachments
Origin - membrane of obturator foramen Insertion - posterior aspect of greater trochanter
36
Obturator externus - innervation
Obturator nerve
37
Obturatory externus - actions
Adduction and lateral rotation of hip
38
Gracilis - attachments
Origin - inferior rami of pubis Insertion - medial surface of tibia
39
Gracilis - innervation
Obturator nerve
40
Gracilis - actions
Adduction of hip Flexion of knee
41
Gluteus maximus - attachments
Origin - posterior surface ileum, sacrum and coccyx Insertion - Iliotibial tract and gluteal tuberosity of femur
42
Gluteus maximus - innervation
Inferior gluteal nerve
43
Gluteus maximus - actions
Extension of hip Lateral roation
44
Gluteus medius - attachments
Origin - gluteal surface of ileum Insertion - lateral surface of greater trochanter
45
Gluteus medius - innervation
Superior gluteal nerve
46
Gluteus medius - actions
Adduction and medial rotation of hip
47
Gluteus minimus - attachments
Origin - ileum Insertion - anterior side greater trochanter
48
Gluteus minimus - innervation
Superior gluteal nerve
49
Gluteus minimus - actions
Abduction and medial rotation of hip
50
Tensor fascia lata - attachments
Origin - anterior iliac crest Insertion - iliotibial tract which attaches to lateral condyle of tibia
51
Tensor fascia lata - innervation
Superior gluteal nerve
52
Tensor fascia lata - actions
Adduction and medial rotation of hip
53
Piriformis - attachments
Origin - anterior surface of sacrum Insertion - greater trochanter of femur
54
Piriformis - innervation
Nerve to piriformis
55
Piriformis - actions
Lateral rotation and abduction
56
Obturator internus - attachments
Origin - pubis and ischiul at obturator foramen Insertion - travels through lesser sciatic foramen to greater trochanter of femur
57
Obturator internus - innervation
Nerve to obturator internus
58
Obturator internus - actions
Lateral rotation and abduction of hip
59
Biceps femoris - attachments
* Origin * Long head - ischial tuberosity of pelvis * Short head - linea aspera on posterior surface femur * Insertion * Head of fibula
60
Biceps femoris - innervation
Long head - tibial part of sciatic nerve Short head - common fibular part of sciatic nerve
61
Biceps femoris - actions
Flexion of knee Extension of hip Lateral rotation of hip and knee
62
Semitendinosus - attachments
Origin - ischial tubersity of pelvis Insertion - medial surface tibia
63
Semitendinosus - innervation
Tibial part of sciatic nerve
64
Semitendinosus - actions
Flexion of knee Extension of hip Medial rotation of hip and knee
65
Semimembranosus - attachments
Origin - ischial tuberosity Insertion - medial tibial condyle
66
Semimembranosus - innervation
Tibial part of sciatic nerve
67
Semimembranosus - actions
Flexion of knee Extension of hip Medial rotation of hip and knee
68
Tibialis anterior - attachments
Origin - lateral surface tibia Insertion - medial cuneiform and base of metatarsal I
69
Tibialis anterior - innervation
Deep fibular nerve
70
Tibialis anterior - actions
Dorsoflexion and inversion of ankle
71
Extensor digitorum longus - attachments
Origin - lateral condyle of tibia and medial surface fibula Insertion - dorsal surface of foot, splits into 4 for each toe (apart from big)
72
Extensor digitorum longus - actions
Extension of lateral 4 toes Dorsiflexion of foot
73
Extensor digitorum longus - innervation
Deep fibular nerve
74
Extensor hallucis longus - attachments
Origin - medial surface fibular shaft Insertion - distal phalanx of great toe
75
Extensor hallucis longus - innervation
Deep fibular nerve
76
Extensor hallucis longus - action
Extension of great toe Dorsiflexion of ankle
77
Fibularis tertius - attachments
Origin - medial surface of fibula Insertion - metatarsal V
78
Fibularis tertius - innervation
Deep fibular nerve
79
Fibularis tertius - actions
Eversion and dorsiflexion of foot
80
Gastrocnemius - attachments
* Origin * Lateral head - lateral femoral condyle * Medial head - medial femoral condyle * Insertion * Combines with soleus to form cacaneal tendon inserting onto calcaneus
81
Gastrocnemius - innervation
Tibial nerve
82
Gastrocnemius - actions
Plantarflexion of ankle Flexion of knee
83
Plantaris - attachments
Origin - lateral supracondylar line of femur Insertion - calcaneal tendon
84
Plantaris - innervation
Tibial nerve
85
Plantaris - actions
Plantarflexion of ankle Flexion of knee
86
Soleus - attachments
Origin - soleal line of tibia and proximal fibular area Insertion - calcaneal tendon
87
Soleus - innervation
Tibial nerve
88
Soleus - actions
Plantarflexion of ankle
89
Poplitus - attachments
Origin - lateral condyle of femur Insertion - tibia
90
Popliteus - innervation
Tibial nerve
91
Popliteus - actions
Lateral rotation of femur on tibia, unlocking the knee so flexion can occur
92
Tibialis posterior - attachments
Origin - interosseous membrane between tibia and fibula Insertion - plantar surface of medial tarsal bones
93
Tibialis posterior - innervation
Tibial nerve
94
Tibialis posterior - actions
Inversion and plantarflexion of ankle Maintains medial arch of foot
95
Flexor digitorum longus - attachments
Origin - medial surface tibia Insertion - plantar surface of lateral 4 digits
96
Flexor digitorum longus - innervation
Tibial nerve
97
Flexor digitorum longus - actions
Flexion of lateral toes
98
Flexor hallucis longus - attachments
Origin - posterior surface tibia Insertion - plantar surface of phalanx of great toe
99
Flexor hallucis longus - innervation
Tibial nerve
100
Flexor hallucis longus - actions
Flexion of great toe
101
Fibularis longus - attachments
Origin - superior and lateral surface of fibula and lateral tibial condyle Insertion - medial cuneiform and base of metatarsal I
102
Fibularis longus - innervation
Superficial fibular (peroneal) nerve
103
Fibularis brevis - attachments
Origin - inferolateral surface fibular shaft Insertion - tubercle on metatarsal V
104
Fibularis longus - actions
Eversion and plantarflexion of ankle Supports lateral and transverse arches of foot
105
Fibularis brevis - innervation
Superficial fibular (peroneal) nerve
106
Fibularis brevis - actions
Eversion of foot
107
Abductor hallucis - actions
Abduction and flexion of great toe
108
Abductor hallucis - innervation
Medial plantar nerve
109
Flexor digitorum brevis - actions
Flexion of lateral 4 digits at PIPJ
110
Flexor digitorum brevis - innervation
Medial plantar nerve
111
Abductor digiti minimi - actions
Abduction and flexion of 5th digit
112
Abductor digiti minimi - innervation
Lateral plantar nerve
113
1st layer of foot muscles
Abductor hallucis Flexor digitorum brevis Abductor digiti minimi
114
2nd layer foot muscles
Quadratus plantae Lumbricals
115
Quadratus plantae - actions
Flexion of lateral digits
116
Quadratus plantae - innervation
Lateral plantar nerve
117
Lumbricals - actions
Flexion at metatarsophalangeal joints Extesion at interphalangeal joints
118
Lumbricals - innervation
Medial lumbrical - medial plantar nerve Rest - lateral plantar nerve
119
3rd layer of foot muscles
Flexor hallucis brevis Adductor hallucis Flexor digiti minimi brevis
120
Flexor hallucis brevis - actions
Flexion of proximal phalanx of great toe at metatarsophalangeal joint
121
Flexor hallucis brevis - innervation
Medial plantar nerve
122
Adductor hallucis - actions
Adducts of great toe Assists in forming transverse arch of foot
123
Adductor hallucis - innervation
Deep branch of lateral plantar nerve
124
Flexor digiti minimi brevis - actions
Flexiono of proximal phalanx of 5th digit
125
Flexor digiti minimi brevis - innervation
Superficial branch of lateral plantar nerve
126
4th later foor muscles
Plantar interossei Dorsal interossei
127
Plantar interossei - actions
Adduction of digits 3 to 5 Flexion of metatarsophalangeal joints
128
Plantar interossei - innervation
Lateral plantar nerve
129
Dorsal interossei - actions
Abducts of digits 2 to 4 and flexion at metatarsophalngeal joints
130
Dorsal interossei - innervation
Lateral plantar nerve

3A - Random Stuff for 3rd Year Exam (96 decks)

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