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MSK Lower Limb > Lower Limb Muscles > Flashcards

Lower Limb Muscles Flashcards

(117 cards)

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1
Q

Psoas major muscle Attachments

A

Origin: Lateral vertebral bodies T12 through L5
Insertion:Lesser trochanter of femur

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2
Q

Psoas major muscle innervation

A

Anterior rami

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3
Q

Psoas Major muscle action

A

Flex thigh

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4
Q

Iliacus muscle attachments

A

Origin: superior iliac fossa
Insertion:Lesser trocanter of femur

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5
Q

Iliacus muscle innervation

A

Femoral nerve

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6
Q

Iliacus muscle action

A

Flexed thigh

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7
Q

Sartorius muscle attachments

A

Origin: ASIS
Insertion: Pes Anserinus

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8
Q

Sartorius muscle innervation

A

Femoral nerve

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9
Q

Sartorius muscle action

A

Flex, abduct, laterally rotate thigh; flex leg

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10
Q

Rectus femoris muscle Attachments

A

Origin: AIIS
Insertion:Tibial tuberosity

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11
Q

Rectus femoris muscle innervation

A

Femoral nerve

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12
Q

Rectus femoris muscle action

A

Flex thigh,Extend legs

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13
Q

Vastus lateralis muscle attachments

A

Origin: shaft of the femur
Insertion:Tibial tuberosity

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14
Q

Vastus lateralis muscle innervation

A

Femoral N

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15
Q

Vastus lateralis muscle action

A

Extended legs

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16
Q

Vastus intermedius muscle attachments

A

Origin: Shaft of the femur
Insertion: Tibial tuberosity

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17
Q

Vastus intermedius Innervation

A

Femoral N

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18
Q

Vastus intermedius Action

A

Extend legs

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19
Q

Vastus medialis muscle attachments

A

Origin: Shaft of the femur
Insertion: Tibial tuberosity

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20
Q

Vastus medialis muscle innervation

A

Femoral N

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21
Q

Vastus medialis muscle action

A

Extend legs

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22
Q

Articularis Genu Attachments

A

Origin: Anterior Surface of distal femur
Insertion: Articular capsule of the knee

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23
Q

Articularis Genu Action

A

Tightens capsule of the knee during leg extension

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24
Q

Articularis Genu Innervation

A

Femoral N

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25
Gluteus maximus muscle attachments
Origin: ilium, Dorsal sacrum, coccyx, Sacrotuberous ligament Insertion:Gluteal tuberosity, Lateral tibial condyle
26
Gluteus Maximus muscle action
Extended thigh an assist in lateral rotation
27
Gluteus Maximus muscle innervation
Inferior gluteal nerve
28
Gluteus Medius attachments
Origin: Ilium Insertions: lateral aspect of greater trochanter of femur
29
Gluteus Medius muscle action
Abduct and medially rotate thigh
30
Gluteus Medius muscle innervation
Superior Gluteal N
31
Gluteus Minimus attachments
Origin: Ilium Insertion: Anterior aspect greater trochanter of femur
32
Gluteus Minimus action
Abduct, medially rotate and flex thigh
33
Gluteus Minimus Innervation
Superior Gluteal N
34
Tensor Fascia Lata attachments
Origin: ASIS Insertion: IT Tract and lateral tibial condyle
35
Tensor Fascia Lata Action
Abduct, medially rotate and flex thigh
36
Tensor Fascia Lata innervation
Superior Gluteal N
37
Piriformis Attachments
Origin: anterior surface sacrum Insertion: Superior aspect greater trochanter femur
38
Piriformis action
Laterally rotate extended thigh, Abduct flexed thigh
39
Piriformis Innervation
Nerve to the piriformis
40
Superior Gemellus Attachment
Origin: ischial spine Insertion:Medial aspect greater Trochanter of femur
41
Superior Gemellus Action
Laterally rotate extended thigh, Abduct flexed thigh
42
Superior Gemellus Innervation
Nerve to the obturator internus
43
Inferior Gemellus Attachments
Origin: Ischial tuberosity Insertion: Medial aspect of great trochanter
44
Inferior Gemellus Action
Laterally rotate extended thigh, abduct flexed thigh
45
Inferior Gemellus Innervation
Nerve to quadratus femoris
46
Quadratus Femoris attachments
Origin: lateral aspect of ischial tuberosity Insertion: Quadrate tubercle on intertrochanteric crest
47
Quadratus Femoris Action
laterally rotate thigh
48
Quadratus Femoris Innervation
Nerve to Quadratus Femoris
49
Quadratus Externus attachments
Origin: margin of obturator foramen Insertion: Trochanteric fossa of femur
50
Quadratus Externus action
Laterally rotate thigh
51
Quadratus Externus innervation
Obturator N
52
Obturator Internus attachment
Origin: Pelvic surfaces of the ilium and ischium and obturator membrane Insertion: Greater trochanter of the femur
53
Obturator Internus action
laterally rotate thigh, abduct flexed thigh
54
Obturator Internus innervation
nerve to the obturator
55
Pectineus attachments
Origin: Superior pubic ramus Insertion: Pectineal line of the femur
56
Pectineus action
Adduct and flex thigh
57
Pectineus innervation
Femoral N
58
Adductor Longus attachments
origin: body of pubis insertion: middle 1/3 of the linea apsera
59
Adductor Longus action
Adduct thigh
60
Adductor Longus innervation
Anterior division of obturator N
61
Adductor Brevis attachments
Origin: Body and inferior pubic ramus Insertion: Pectineal line
62
Adductor Brevis actions
Adduct thigh
63
Adductor Brevis innervation
Anterior division of obturator N
64
Adductor Magnus attachments
Origin: ischiopubic ramus and ischial tuberosity Insertion: Gluteal tuberosity
65
Adductor Magnus actions
Adduct, flex, extend thigh
66
Adductor Magnus innervation
Upper fibers: posterior division obturator N | Lower fibers: tibial division sciatic N
67
Gracilis attachments
origin: inferior pubic rami and body of pubis Insertion: Medial aspect proximal end of tibia
68
Gracilis Action
Adduct the thigh and assist in medial thigh rotation, flex the leg
69
Gracilis Innervation
Anterior division of obturator N
70
Biceps Femoris attachments
``` Origin 1. Long head: ischial tuberosity 2. Short head: linea aspera and lateral supracondylar line Insertion Lateral aspect fibular head ```
71
Biceps Femoris action
Both heads: flex and laterally rotate leg when flexed | Long head: extend thigh
72
Biceps Femoris innervation
Long Head: tibial division of sciatic N | Short Head: common fibular division of sciatic N
73
Semitendinosus attachments
Origin: Ischial Tuberosity Insertion: Medial aspect proximal end of tibia
74
Semitendinosus Action
extend thigh, flex and medially rotate leg
75
Semitendinosus innervation
Tibial division of sciatic N
76
Semimembranosus attachments
Origin: Ischial Tuberosity Insertion: Posterior aspect medial tibial condyle
77
Semimembranosus action
extend thigh, flex and medially rotate leg when flexed
78
Semimembranosus Innervation
Tibial division of sciatic N
79
Tibialis Anterior attachments
Origin: Lateral tibial condyle, interosseous membrane Insertion: inferomedial aspect medial cuneiform and base of 1st metatarsal
80
Tibialis Anterior action
dorsiflex the foot, invert the foot
81
Tibialis Anterior innervation
Deep Fibular N
82
Extensor Hallicus Longus attachments
Origin: Anterior aspect fibula, interosseous membrane Insertion: Dorsum of base of 1st distal phalanx
83
Extensor Hallicus Longus action
Extend hallux, dorsiflex foot
84
Extensor Hallicus Longus innervation
Deep fibular N
85
Extensor Digitorum Longus attachments
Origin: lateral tibial condyle, medial aspect of fibula and interosseous membrane Insertion: 2nd-5th middle and distal phalanges
86
Extensor Digitorum Longus action
extend digits 2-5 and dorsiflex foot
87
Extensor Digitorum Longus innervation
deep fibular N
88
Fibularis Tertius attachments (variable in humans)
Origin: Anterioinferior aspect of fibula and interosseous membrane Insertion: Dorsal aspect base of 5th metatarsal
89
Fibularis Tertius Action
Dorsiflex foot, assist in eversion of foot
90
Fibularis Tertius Innervation
Deep fibular N
91
Fibularis Longus attachments
Origin: Head and superior aspect of fibula Insertion: Base of 1st metatarsal and medial cuneiform
92
Fibularis Longus action
Evert foot, plantarflexion
93
Fibularis Longus Innervation
Superficial fibular N
94
Fibularis Brevis attachments
Origin: inferolateral aspect of fibula Insertion: Tuberosity of base of 5th metatarsal
95
Fibularis Brevis action
Evert foot, plantarflexion
96
Fibularis Brevis innervation
Superficial fibular N
97
Gastrocnemius attachments
Origin Lateral head: lateral aspect lateral femoral condyle Medial head: popliteal surface above medial femoral condyle Insertion: posterior calcaneous via calcaneal tendon
98
Gastrocnemius action
Plantarflexion, elevate heel, flex leg
99
Gastrocnemius innervation
tibial N
100
Soleus attachments
Origin: posterior aspect head and body of fibula, soleal line insertion: Posterior calcaneus via calcaneal tendon
101
Soleus action
plantarflexion of foot
102
Soleus innervation
Tibial N
103
Plantaris attachments
Origin: inferior lateral supracondylar line and oblique popliteal l
104
Plantaris action
weakly assist in plantarflexion and flexing the knee
105
Plantaris innervation
Tibial N
106
Popliteus attachments
Origin: lateral aspect of lateral femoral condyle and lateral meniscus Insertion: posterior aspect tibia superiomedial to the soleal line
107
Popliteus action
weakly flex the knee
108
Popliteus innervation
Tibial N
109
Flexor Hallicus Longus attachments
Origin: Posteriorinferior fibula and interosseous membrane Insertion: Base of 1st distal phalanx
110
Flexor Hallicus Longus action
flex hallux
111
Flexor Hallicus longus innervation
Tibial N
112
Flexor Digitorum Longus attachments
Origin: Posteriomedial tibia inferior to soleal line Insertion: Base of 2nd-5th distal phalanges
113
Flexor Digitorum Longus action
Flex digits 2-5, plantarflex
114
Flexor Digitorum Longus innervation
Tibial N
115
Tibialis Posterior attachments
Origin: Posterior fibula and tibia inferior to soleal line and interosseus membrane Insertion: Tuberosity of the navicular, medial and intermediate cuneiforms, bases of 3rd-5th metatarsals
116
Tibialis Posterior Action
Plantarflexion and inversion
117
Tibialis Posterior innervation
Tibial N

MSK Lower Limb (1 decks)

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