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(J) Anatomy II Test 1 > Thigh Muscles > Flashcards

Thigh Muscles Flashcards

(64 cards)

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1
Q

What is the origin of the iliopsoas?

L7 S14

A

Iluacus portion:
-alae of sacrum

Psoas major portion:
-lateral bodies and transverse processes of lumbar vertebrae

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2
Q

What is the insertion of the iliopsoas?

L7 S14

A

Lesser trochanter of femur

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3
Q

What are the actions of the iliopsoas?

L7 S15

A
  • flexion and internal rotation of hip

- extension an lateral bending of lumbar vertebrae (psoas major portion)

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4
Q

What is the innervation of the iliopsoas?

L7 S15

A

Iliacus portion:
-femoral nerve

Psoas major portion:
-directly from L1-3

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5
Q

What is the origin of the sartorius?

L7 L16

A

ASIS

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6
Q

What is the insertion of the sartorius?

L7 S16

A

Upper, medial tibia

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7
Q

What is the action of the sartorius?

L7 S16

A
  • flexion, abduction and external rotation of the hip

- flexion and internal rotation of the knee

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8
Q

What is the innervation of the sartorius?

L7 S16

A

Femoral nerve

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9
Q

What is the origin of the pectineus?

L7 S19

A

Pectineal line of pubis (superior ramus)

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10
Q

What is the insertion of the pectineus?

L7 S19

A

Upper half of pectineal line of femur

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11
Q

What is the action of the pectineus?

L7 S19

A

-flexion, adduction, and internal rotation of the hip

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12
Q

What is the innervation of the pectineus muslce?

L7 S19

A

Femoral nerve

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13
Q

What is the origin of the rectus femoris?

L7 S22

A
  • AIIS

- posterosuperior rim of acetabulum

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14
Q

What is the insertion of the rectus femoris?

L7 S22

A

Tibial tuberosity (via patellar tendon)

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15
Q

What is the action of the rectus femoris?

L7 S22

A
  • extension of the knee

- flexion of the hip

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16
Q

What is the innervation of the rectus femoris?

L7 S22

A

Femoral nerve

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17
Q

What is the origin of the vastus lateralis?

L7 S24

A

Intertrochanteric line, greater trochanter, gluteal tuberosity, upper lip of linea aspera, and lateral intermuscular septum

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18
Q

What is the insertion of the vastus lateralis?

L7 S24

A

Tibial tuberosity (via patellar tendon)

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19
Q

What is the action of the vastus lateralis?

L7 S24

A

Extension of the knee

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20
Q

What is the innervation of the vastus lateralis?

L7 S24

A

Femoral nerve

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21
Q

What is the origin of the vastus medialis?

A

Intertrochanteric line, greater trochanter medial lip of linea aspera, medial supracondylar line, and medial intermuscular septum

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22
Q

What is the insertion of the vastus medialis?

L7 S25

A

Tibial tuberosity (via patellar tendon)

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23
Q

What is the action of the vastus medialis?

L7 S25

A

Extension of knee

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24
Q

What is the innervation of the vastus medialis?

L7 S25

A

Femoral nerve

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25
What is the insertion of the vastus intermedius? L7 S26
Upper 2/3 of femoral shaft, distal half intermuscular septum, and lateral lip of linea aspera
26
What is the insertion of the vastus intermedius? L7 S26
Tibial tuberosity (via patellar tendon)
27
What is the action of the vastus intermedius? L7 S26
Extension of knee
28
What is the innervation of the vastus intermedius? L7 S26
Femoral nerve
29
What is the origin of the gracilis? L7 S41
- body of pubis | - inferior pubic ramus
30
What is the insertion of the gracilis? L7 S41
Upper, medial shaft of tibia
31
What are the actions of the gracilis? L7 S41
- adduction and flexion of the knee | - assists in internal rotation of tibia
32
What is the innervation of the gracilis? L7 S41
Obturator nerve
33
What is the origin of the adductor longus? L7 S43
Pubic crest and symphysis
34
What is the insertion of the adductor longus? L7 S43
Medial lip of linea aspera
35
What are the actions of the adductor longus? L7 S43
Adduction, flexion and external rotation of thigh
36
What is the innervation of the adductor longus? L7 S43
Obturator nerve
37
What is the origin of the adductor brevis? L7 S45
Body and inferior ramus of pubis
38
What is the insertion of the adductor brevis? L7 S43
- pectineal line of femur | - upper part of linea aspera
39
What are the actions of the adductor brevis? L7 S45
Adduction, flexion, and internal rotation of hip
40
What is the innervation of the adductor brevis? L7 S45
Obturator nerve
41
What is the origin of the adductor magnus? L7 S46
- ischial tuberosity | - ischiopubic ramus
42
What is the insertion of the adductor magnus? L7 S46
Gluteal tuberostiy, medial lip of linea aspera, medial supracondylar line, adductor tubercle
43
What is the action of the adductor magnus? L7 S47
- adduction of hip - flexion and internal rotation of hip (upper fibers) - extension and external rotation of hip (lower fibers)
44
What is the innervation of the adductor magnus? L7 S47
- obturator nerve | - tibial branch of sciatic nerve
45
What is the origin of the obturator externus? L7 S48
External pubis and ischium along margin of obturator foramen
46
What is the insertion of the obturator externus? L7 S48
Trocanteric fossa
47
What are the actions of the obturator externus? L7 S48
External rotation of hip
48
What is the innervation of the obturator externus? L7 S48
obturator nerve
49
What is the origin of the biceps femoris longus? L7 S58
- ischial tuberosity | - lower part of sacrotuberous ligament
50
What is the insertion of he biceps femoris longus? L7 S58
- lateral head of fibula | - lateral condyle of tibia
51
What are the actions of the biceps femoris longus? L7 S59
- flexion and external rotation of the knee | - extension of the hip
52
What is the innervation of the biceps femoris longus? L7 S59
Tibial portion of sciatic nerve
53
What is the origin of the biceps femoris brevis? L7 S60
- lateral lip of linea aspera - upper supracondylar line - lateral intermuscular septum
54
What is the insertion of the biceps femoris brevis? L7 S60
- lateral heal of fibula | - lateral condyle of tibia
55
What are the actions of the biceps femoris brevis? L7 S60
Flexion and external rotation of the knee
56
What is the innervation of the biceps femoris brevis? L7 S60
Common perineal portion of sciatic nerve
57
What is the origin of the semimembraosus? L7 S61
Ischial tuberosity and ischial ramus
58
What is the insertion of the semimembranosus? L7 S61
Posteromedial medial tibial condyle
59
What is they action of the semimembranosus? L7 S61
- flexion and internal rotation of knee | - extension of hip
60
What is the innervation of the semimembranosus? L7 S61
Tibial portion of sciatic nerve
61
What is the origin of the semitendinosus? L7 S62
Ischial tuberosity
62
What is the insertion of the semitendinosus? L7 S62
Upper medial tibia
63
What are the actions of the semitendinosus? L7 S62
- flexion and internal rotation of the knee | - extension of the hip
64
What is the innervation of the semiteninosus? L7 S62
Tibial portion of sciatic nerve

(J) Anatomy II Test 1 (13 decks)

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