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Anatomy > Lab 5: Origins, Insertions, Actions > Flashcards

Lab 5: Origins, Insertions, Actions Flashcards

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1
Q

what is the origin of the adductor longus?

A

-pubis
-crest + symphysis

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2
Q

what is the insertion of the adductor longus?

A

-femur

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3
Q

what is the action of the adductor longus?

A

-adducts + flexes thigh @ hip joint
-rotates thigh

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4
Q

what is the origin of the adductor magnus?

A

-pubis
-ischium
-ischial tuberosity

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5
Q

what is the insertion of the adductor magnus?

A

-femur

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6
Q

what is the action of the adductor magnus?

A

-adducts thigh @ hip joint
-rotates thigh
-anterior: flexes thigh @ hip joint
-posterior: extends thigh @ hip joint

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7
Q

what is the origin of the gracillis?

A

-pubis

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8
Q

what is the insertion of the gracillis?

A

-tibia

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9
Q

what is the action of the gracillis?

A

-adducts thigh @ hip joint
-medially rotates thigh
-flexes leg @ knee joint

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10
Q

what is the origin of the iliacus?

A

-sacrum
-ilium

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11
Q

what is the insertion of the iliacus?

A

-femur

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12
Q

what is the action of the ilacus and psoas major?

A

-flexes thigh @ hip joint
-rotates thigh laterally
-flexes trunk on the hip (sitting up from lying down)

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13
Q

what is the origin of the psoas major?

A

-lumbar vertebrae

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14
Q

what is the insertion of the psoas major?

A

-femur

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15
Q

what do the iliacus and the psoas major form?

A

iliopsoas

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16
Q

what is the origin of the pectineus?

A

-pubis

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17
Q

what is the insertion of the pectineus?

A

-femur

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18
Q

what is the action of the pectineus?

A

-flexes + adducts thigh @ hip joint

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19
Q

what is the origin of the rectus femoris?

A

-ilium
-iliac spine

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20
Q

what is the insertion of the rectus femoris, vastus lateralis, and vastus medialis?

A

-patella
-tibia
-tibial tuberosity

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21
Q

what is the origin of the vastus lateralis?

A

-femur

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22
Q

what is the origin of the vastus medialis?

A

-femur

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23
Q

what is the action of the rectus femoris?

A

-extends the leg @ knee joint
-flexes thigh @ hip joint

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24
Q

what is the action of the vastus medialis and vastus lateralis?

A

-extends the leg @ knee joint

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25
what do the rectus femoris, vastus medialis, and vastus lateralis create?
-quadriceps femoris
26
what is the origin of the sartorius?
-ilium -iliac spine
27
what is the insertion of the sartorius?
-tibia
28
what is the action of the sartorius?
-weakly flexes leg @ knee joint -weakly flexes, abducts, and laterally rotates thigh @ hip joint
29
what is the origin of the tensor fasciae latae?
-ilium -iliac crest -iliac spine
30
what is the insertion of the tensor fasciae latae?
-tibia
31
what is the action of the tensor fasciae latae?
-flexes + abducts the hip
32
what is the origin of the gluteus maximus?
-ilium -iliac crest -sacrum + coccyx
33
what is the insertion of the gluteus maximus?
-femur
34
what is the action of the gluteus maximus?
-extends and laterally rotates thigh @ hip
35
what is the origin of the gluteus medius?
-ilium
36
what is the insertion of the gluteus medius?
-femur
37
what is the action of the gluteus medius?
-abducts and medially rotates thigh @ hip
38
what is the origin of the biceps femoris?
-long head: ischium (ischial tuberosity) -short head: femur
39
what is the insertion of the biceps femoris?
-fibula -tibia
40
what is the action of the biceps femoris and the semimembranosus?
-extends thigh @ hip joint
41
what is the origin of the semimembranosus?
-ischium -ischial tuberosity
42
what is the insertion of the semimembranosus?
-tibia (tibia medial > tibial tuberosity)
43
what is the origin of the semitendinosus?
-ischium -ischial tuberosity
44
what is the insertion of the semitendinosus?
-tibia
45
what is the action of the semitendinosus?
-extends thigh @ hip joint -flexes leg @ knee joint
46
what do the biceps femoris, semimembranosus, and semitendinosus form?
-hamstrings
47
what is the origin of the extensor digitorum longus?
-tibia -fibula
48
what is the insertion of the extensor digitorum longus?
-phalanges of toes 2-5
49
what is the action of the extensor digitorum longus?
-dorsiflexes foot -extends phalanges
50
what is the origin of the fibularis (peroneus) longus?
-fibula
51
what is the insertion of the fibularis (peroneus) longus?
-metatarsal 1 -1st cuneiform
52
what is the action of the fibularis (peroneus) longus?
-plantarflexes foot -everts foot
53
what is the origin of the gastrocnemius?
-femur -knee (capsule)
54
what is the insertion of the gastrocnemius?
-calcaneus
55
what is the action of the gastrocnemius?
-plantarflexes foot -flexes leg @ knee joint
56
what is the origin of the soleus?
-fibula -tibia
57
what is the insertion of the soleus?
-calcaneus
58
what is the action of the soleus?
-plantarflexes foot
59
what is the origin of the tibialis anterior?
-tibia
60
what is the insertion of the tibialis anterior?
-metatarsal 1 -1st cuneiform
61
what is the action of the tibialis anterior
-dorsiflexes foot -inverts foot
62
what is the origin of the rectus abdominis?
-pubis -crest + symphysis
63
what is the insertion of the rectus abdominis?
-ribs 5-7 -xiphoid process of sternum
64
what is the action of the rectus abdominis?
-urination, defecation, childbirth, forced exhalation -flexes vertebrae column
65
what is the origin of the external abdominal oblique?
-ribs 5-12
66
what is the insertion of the external abdominal oblique?
-ilium -iliac crest
67
what is the action of the external abdominal oblique?
-compresses abdomen -flexes + rotates vertebral column

Anatomy (29 decks)

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