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Anatomy Lab > Knee Muscles > Flashcards

Knee Muscles Flashcards

1
Q

Origin of rectus femoris

A

Anterior inferior iliac spine (AIIS)

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2
Q

Insertion of rectus femoris

A

Patella -> Patella tendon –> tibial tuberosity

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3
Q

Action rectus femoris

A

Flex the hip, extend the knee

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4
Q

Blood supply rectus femoris

A

Superficial femoral artery

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5
Q

Innervation rectus femoris

A

Femoral nerve

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6
Q

Origin of vastus medialis

A

Medial lip of linea aspera

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7
Q

Insertion of vastus medialis

A

Patella -> patella tendon -> tibial tuberosity

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8
Q

Action vastus medialis

A

Extend the knee

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9
Q

Blood supply vastus medialis

A

Superficial and deep femoral artery

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10
Q

Innervation of vastus medialis

A

Femoral nerve

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11
Q

Origin vastus intermedius

A

Anterior lateral femur

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12
Q

Insertion vastus intermedius

A

Patella -> patella tendon -> tibial tuberosity

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13
Q

Action vastus intermedius

A

Extend the knee

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14
Q

Blood supply vastus intermedius

A

Deep femoral artery

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15
Q

Innervation vastus intermedius

A

Femoral nerve

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16
Q

Origin vastus lateralis

A

Lateral lip linea aspera and greater trochanter

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17
Q

Insertion vastus lateralis

A

Patella -> patellar tendon -> tibial tuberosity

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18
Q

Action vastus lateralis

A

Extend the knee

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19
Q

Blood supply vastus lateralis

A

Superficial femoral artery

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20
Q

Innervation vastus lateralis

A

Femoral nerve

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21
Q

Articularis genu origin

A

Anterior distal femoral shaft

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22
Q

Articularis genu insertion

A

Knee joint capsule

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23
Q

Articularis genu action

A

Pull knee joint capsule proximally during knee extension

24
Q

Articularis genu Innervation

A

Femoral nerve

25
Q

Articularis genu blood supply

A

Deep femoral artery

26
Q

Gracilis origin

A

Body and inferior ramus of pubis

27
Q

Gracilis insertion

A

Pes anserine (medial surface of proximal tibia

28
Q

Gracilis action

A

Flex the knee, Hip adduction, medial rotation of hip when knee flexed

29
Q

Gracilis blood supply

A

Medial circumflex femoral artery

30
Q

Gracilis innervation

A

Obturator nerve

31
Q

Biceps femoris (long) origin

A

Ischial tuberosity

32
Q

Biceps femoris (long) insertion

A

Head of fibula

33
Q

Biceps femoris (long) blood supply

A

Deep femoral artery

34
Q

Biceps femoris (long) innervation

A

Tibial nerve

35
Q

Biceps femoris (short) origin

A

Linea aspera

36
Q

Biceps femoris (short) insertion

A

Head of fibula

37
Q

Biceps femoris (long) action

A

Extend the hip, flex the knee, laterally rotate the knee

38
Q

Biceps femoris (short) action

A

Flex the knee, laterally rotate the knee

39
Q

Biceps femoris (short) innervation

A

Common fibular nerve

40
Q

Biceps femoris (short) blood supply

A

Popliteal artery

41
Q

Semimembranosus origin

A

Ischial tuberosity

42
Q

Semimembranosus insertion

A

Medial condyle of tibia

43
Q

Semimembranosus action

A

Extend the hip, flex the knee, medially rotate knee

44
Q

Semimembranosus blood supply

A

Deep femoral artery, popliteal artery

45
Q

Semimembranosus innervation

A

Tibial nerve

46
Q

Semitendinosus origin

A

Ischial tuberosity

47
Q

Semitendinosus insertion

A

Pes anserine (medial surface of proximal tibia)

48
Q

Semitendinosus action

A

Extend hip, flex the knee, medially rotate knee

49
Q

Semitendinosus blood supply

A

Deep femoral artery, popliteal artery

50
Q

Semitendinosus innervation

A

Tibial nerve

51
Q

Popliteus origin

A

Lateral femoral condyle

52
Q

Popliteus insertion

A

Proximal 1/3 posterior tibia

53
Q

Popliteus action

A

Medial rotation of tibia on femur, lateral rotation of femur on tibia

54
Q

Popliteus blood

A

Popliteal artery

55
Q

Popliteus innervation

A

Tibial nerve

Anatomy Lab (13 decks)

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