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Anatomy - Lower Extremities > Knee Flex/Ext/Rotation > Flashcards

Knee Flex/Ext/Rotation Flashcards

1
Q

Rectus femoris origin

A

Anterior inferior iliac spine (AIIS)

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2
Q

Rectus femoris insertion

A

Patella and through the patella tendon to tibial tuberosity

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3
Q

Rectus femoris action

A

Knee extension, hip flexion

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4
Q

Rectus femoris innervation

A

Femoral nerve

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5
Q

Rectus femoris blood supply

A

Superficial femoral artery

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6
Q

Vastus lateralis origin

A

Greater trochanter & lateral lip of linea aspera of femur

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7
Q

Vastus lateralis insertion

A

Patella and through patella tendon to tibial tuberosity

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8
Q

Vastus lateralis action

A

Knee extension

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9
Q

Vastus lateralis innervation

A

Femoral nerve

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10
Q

Vastus lateralis blood supply

A

Superficial femoral artery

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11
Q

Vastus medialis origin

A

Medial lip of linea aspera of femur

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12
Q

Vastus medialis insertion

A

Patella and through patella tendon to tibial tuberosity

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13
Q

Vastus medialis action

A

Extend knee

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14
Q

Vastus medialis innervation

A

Femoral nerve

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15
Q

Vastus medialis blood supply

A

Superficial femoral artery and deep femoral artery

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16
Q

Vastus intermedius origin

A

Anterior and lateral surfaces of the femur

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17
Q

Vastus intermedius insertion

A

Patella and through patella tendon to tibial tuberosity

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18
Q

Vastus intermedius action

A

Extend knee

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19
Q

Vastus intermedius innervation

A

Femoral nerve

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20
Q

Vastus intermedius blood supply

A

Deep femoral artery

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21
Q

Gracilis origin

A

Body and inferior ramus of pubis

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22
Q

Gracilis insertion

A

Pes anserine (medial surface of proximal tibia), distal to medial condyle

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23
Q

Gracilis action

A

Hip adduction, knee flexion, medial rotation of hip when knee flexed

24
Q

Gracilis innervation

A

Obturator nerve

25
Q

Gracilis blood supply

A

Medial circumflex femoral artery

26
Q

Biceps femoris (long head) origin

A

Ischial tuberosity

27
Q

Biceps femoris (long head) insertion

A

Head of fibula

28
Q

Biceps femoris (long head) action

A

Extend hip, flex knee, lateral rotation of knee

29
Q

Biceps femoris (long head) innervation

A

Tibial nerve

30
Q

Biceps femoris (long head) blood supply

A

Deep femoral artery

31
Q

Biceps femoris (short head) origin

A

Linea aspera of femur

32
Q

Biceps femoris (short head) insertion

A

Head of fibula

33
Q

Biceps femoris (short head) action

A

Knee flexion, lateral rotation of knee

34
Q

Biceps femoris (short head) innervation

A

Common (peroneal) fibular nerve — after sciatic split

35
Q

Biceps femoris (short head) blood supply

A

Popliteal artery

36
Q

Semimembranosus origin

A

Ischial tuberosity

37
Q

Semimembranosus insertion

A

Medial condyle of tibia

38
Q

Semimembranosus action

A

Extend hip, flex knee, medially rotate knee

39
Q

Semimembranosus innervation

A

Tibial nerve

40
Q

Semimembranosus blood supply

A

Deep femoral artery and popliteal artery

41
Q

Semitendinosus origin

A

Ischial tuberosity

42
Q

Semitendinosus insertion

A

Pes anserine (medial surface of proximal tibia), distal to medial condyle

43
Q

Semitendinosus action

A

Hip extension, knee flexion, medially rotate knee

44
Q

Semitendinosus innervation

A

Tibial nerve

45
Q

Semitendinosus blood supply

A

Deep femoral artery and popliteal artery

46
Q

Popliteus origin

A

Lateral femoral condyle

47
Q

Popliteus insertion

A

Proximal 1/3 posterior tibia (proximal to soleal line)

48
Q

Popliteus action

A

“Lock/unlock” knee — medial rotation of tibia on femur aka lateral rotation of femur on tibia

49
Q

Popliteus innervation

A

Tibial nerve

50
Q

Popliteus blood supply

A

Popliteal artery

51
Q

Articularis genu origin

A

Anterior distal shaft of femur

52
Q

Articularis genu insertion

A

Knee joint capsule

53
Q

Articularis genu action

A

Tenses & pulls joint capsule proximally during knee extension

54
Q

Articularis genu innervation

A

Femoral nerve

55
Q

Articularis genu blood supply

A

Deep femoral artery

Anatomy - Lower Extremities (11 decks)

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