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Anatomy > Muscles Crossing The Hip And Knee Joint > Flashcards

Muscles Crossing The Hip And Knee Joint Flashcards

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0
Q

Insertion of iliacus

A

Lesser trochanter of femur via iliopsoas tendon

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1
Q

Origin of iliacus

A

Iliac fossa, ala of sacrum

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2
Q

Action of iliacus

A

Prime mover in thigh Flexion and in flexing trunk

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3
Q

Innervation of iliacus

A

Femoral nerve

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4
Q

Origin of psoas major

A

By fleshy strips from transverse processes, bodies, and discs of lumbar vertebrae and t12

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5
Q

Insertion of psoas major

A

Lesser trochanter of femur via iliopsoas tendon

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6
Q

Action of psoas major

A

Mover in thigh Flexion and flexing trunk; lateral Flexion of vertebral column

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7
Q

Innervation of psoas major

A

Ventral rami

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8
Q

Origin of tensor fasciae latae

A

Anterior aspect of iliac crest and anterior superior iliac spine

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9
Q

Insertion of tensor fasciae latae

A

Iliotibial tract

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10
Q

Action of tensor fasciae latae

A

Steadies trunk on thigh by making iliotibial track taut

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11
Q

Innervation of tensor fasciae latae

A

Superior gluteal nerve

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12
Q

Origin of sartorius

A

Anterior superior iliac spine

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13
Q

Insertion of sartorius

A

Winds around medial aspect of knee and inserts on medial aspect of proximal tibia

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14
Q

Action of sartorius

A

Flexes, abducts, and laterally rotates thigh; flexes leg

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15
Q

Innervation of sartorius

A

Femoral nerve

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16
Q

Origin of rectus femoris

A

Anterior inferior iliac spine and superior margin of acetabulum

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17
Q

Insertion of rectus femoris

A

Patella and tibial tuberosity via patellar ligament

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18
Q

Action of rectus femoris

A

Extends knee and flexes thigh at the hip

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19
Q

Innervation of rectus femoris

A

Femoral nerve

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20
Q

Origin of vastus lateralis

A

Greater trochanter, intertrochanteric line, linea aspera

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21
Q

Insertion of vastus lateralis

A

Patella and tibial tuberosity via patellar ligament

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22
Q

Action of vastus lateralis

A

Extends and stabilizes knee

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23
Q

Innervation of vastus lateralis

A

Femoral nerve

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24
Origin of vastus medialis
Linea aspera, medial supracondylar line, intertrochanteric line
25
Insertion of vastus medialis
Patellar and tibial tuberosity via patellar ligament
26
Action of vastus medialis
Extends knee
27
Innervation of vastus medialis
Femoral nerve
28
Origin of vastus intermedius
Anterior and lateral surfaces of proximal femur shaft
29
Insertion of vastus intermedius
Patellar and tibial tuberosity via patellar ligament
30
Action of vastus intermedius
Extends knee
31
Innervation of vastus intermedius
Femoral nerve
32
Origin of pectineus
Pectineal line of pubis (and superior ramus)
33
Insertion of pectineus
Line from lesser trochanter to linea aspera on posterior aspect of femur
34
Action of pectineus
Adducts, flexes, and medially rotates thigh
35
Innervation of pectineus
Femoral and sometime obturator nerve
36
Origin of gracilis
Inferior ramus and body of pubis and adjacent ischial ramus
37
Insertion of gracilis
Medial surface of tibia just inferior to its medial condyle
38
Action of gracilis
Adducts thigh; flexes and medially rotates leg
39
Innervation of gracilis
Obturator nerve
40
Origin of adductor longus
Pubis near pubic symphysis
41
Insertion of adductor longus
Linea aspera
42
Action of adductor longus
Adducts, flexes, and medially rotates thigh
43
Innervation of adductor longus
Obturator nerve
44
Origin of adductor brevis
Body and inferior ramus of pubis
45
Insertion of adductor brevis
Linea aspera above adductor longus
46
Action of adductor brevis
Adducts and medially rotates thigh
47
Innervation of adductor brevis
Obturator nerve
48
Origin of adductor Magnus
Ischial and pubic rami and ischial tuberosity
49
Insertion of adductor Magnus
Linea aspera, medial supracondylar line, and adductor tubercle of femur
50
Action of adductor Magnus
Adducts and medially rotates and flexes thigh; thigh extension
51
Innervation of adductor Magnus
Obturator and sciatic nerve
52
Origin of gluteus Maximus
Dorsal ilium, sacrum, coccyx
53
Insertion of gluteus Maximus
Gluteal tuberosity of femur; iliotibial tract
54
Action of gluteus Maximus
Major extensor of thigh
55
Innervation of gluteus Maximus
Inferior gluteal nerve
56
Origin of gluteus medius
Between anterior and posterior gluteal lines on lateral surface of ilium
57
Insertion of gluteus medius
By short tendon into lateral aspect of greater trochanter of femur
58
Action of gluteus medius
Abducts and medially rotates thigh
59
Innervation of gluteus medius
Superior gluteal nerve
60
Origin of gluteus minimus
Between anterior and inferior gluteal lines on external surface of ilium
61
Insertion of gluteus minimus
Anterior border of greater trochanter of femur
62
Action of gluteus minimus
Abducts and medially rotates thigh
63
Innervation of gluteus minimus
Superior gluteal nerve
64
Origin of biceps femoris
Ischial tuberosity (long head); linea aspera, lateral supracondylar line, and distal femur (short head)
65
Insertion of biceps femoris
Common tendon passes downward and laterally to insert into head of fibula and lateral condyle of tibia
66
Action of biceps femoris
Extends thigh and flexes knee
67
Innervation of biceps femoris
Sciatic nerve: tibial nerve to long head, common fibular nerve to short head
68
Origin of semitendinosus
Ischial tuberosity
69
Insertion of semitendinosus
Medial aspect of upper tibial shaft
70
Action of semitendinosus
Extends thigh and flexes knee
71
Innervation of semitendinosus
Sciatic nerve-tibial portion
72
Origin of semimembranosus
Ischial tuberosity
73
Insertion of semimembranosus
Medial condyle of tibia; through oblique ligament of knee to lateral condyle of femur
74
Action of semimembranosus
Extends thigh and flexes knee
75
Innervation of semimembranosus
Sciatic nerve: tibial portion
76
Origin of piriformis
Anterolateral surface of sacrum
77
Insertion of piriformis
Superior border of greater trochanter of femur
78
Action of piriformis
Rotates extended thigh laterally
79
Innervation of piriformis
L4-S1
80
Origin of obturator externus
Outer surface of obturator membrane, external surface of pubis and ischium, and margins of obturator foramen
81
Insertion of obturator externus
By a tendon into trochanter if fossa of posterior femur
82
Action of obturator externus
Rotates extended thigh laterally
83
Innervation of obturator externus
Obturator nerve
84
Origin of obturator internus
Inner surface of obturator membrane, greater sciatic notch, and margins of obturator foramen
85
Insertion of obturator internus
Greater trochanter in front of piriformis
86
Action of obturator internus
Rotates extended thigh laterally
87
Innervation of obturator internus
L5 and S1
88
Origin of gemellus
Ischial spine (superior); ischial tuberosity (inferior)
89
Insertion of gemellus
Greater trochanter of femur
90
Action of gemellus
Rotates extended thigh laterally
91
Innervation of gemellus
L5 and S1
92
Origin of quadratus femoris
Ischial tuberosity
93
Insertion of quadratus femoris
Intertrochanteric crest of femur
94
Action of quadratus femoris
Rotates thigh laterally and stabilizes hip joint
95
Innervation of quadratus femoris
L5 and S1

Anatomy (13 decks)

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