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

Knee Flex/Ext/Rotation Flashcards

(55 cards)

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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

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A

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

24
Q

Gracilis innervation

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A

Obturator nerve

25
Gracilis blood supply
Medial circumflex femoral artery
26
Biceps femoris (long head) origin
Ischial tuberosity
27
Biceps femoris (long head) insertion
Head of fibula
28
Biceps femoris (long head) action
Extend hip, flex knee, lateral rotation of knee
29
Biceps femoris (long head) innervation
Tibial nerve
30
Biceps femoris (long head) blood supply
Deep femoral artery
31
Biceps femoris (short head) origin
Linea aspera of femur
32
Biceps femoris (short head) insertion
Head of fibula
33
Biceps femoris (short head) action
Knee flexion, lateral rotation of knee
34
Biceps femoris (short head) innervation
Common (peroneal) fibular nerve — after sciatic split
35
Biceps femoris (short head) blood supply
Popliteal artery
36
Semimembranosus origin
Ischial tuberosity
37
Semimembranosus insertion
Medial condyle of tibia
38
Semimembranosus action
Extend hip, flex knee, medially rotate knee
39
Semimembranosus innervation
Tibial nerve
40
Semimembranosus blood supply
Deep femoral artery and popliteal artery
41
Semitendinosus origin
Ischial tuberosity
42
Semitendinosus insertion
Pes anserine (medial surface of proximal tibia), distal to medial condyle
43
Semitendinosus action
Hip extension, knee flexion, medially rotate knee
44
Semitendinosus innervation
Tibial nerve
45
Semitendinosus blood supply
Deep femoral artery and popliteal artery
46
Popliteus origin
Lateral femoral condyle
47
Popliteus insertion
Proximal 1/3 posterior tibia (proximal to soleal line)
48
Popliteus action
“Lock/unlock” knee — medial rotation of tibia on femur aka lateral rotation of femur on tibia
49
Popliteus innervation
Tibial nerve
50
Popliteus blood supply
Popliteal artery
51
Articularis genu origin
Anterior distal shaft of femur
52
Articularis genu insertion
Knee joint capsule
53
Articularis genu action
Tenses & pulls joint capsule proximally during knee extension
54
Articularis genu innervation
Femoral nerve
55
Articularis genu blood supply
Deep femoral artery

Anatomy - Lower Extremities (11 decks)

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