Muscles that flex the knee Flashcards

1
Q

gracilis origin

A

body and inferior ramus of pubis

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2
Q

gracilis insertion

A

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

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3
Q

gracilis action

A

adduction of hip, medial rotation of hip if knee flexed, knee flexion

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4
Q

gracilis innervation

A

obturator nerve

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5
Q

gracilis blood supply

A

medial circumflex femoral artery

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6
Q

bicep femoris long head origin

A

ischial tuberosity

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7
Q

bicep femoris long head insertion

A

head of fibula

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8
Q

bicep femoris long head action

A

extension of hip, flexion of knee and lateral rotation of knee

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9
Q

bicep femoris long head innervation

A

tibial nerve

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10
Q

bicep femoris long head blood supply

A

deep femoral artery

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11
Q

bicep femoris short head origin

A

linea aspera of femur

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12
Q

bicep femoris short head insertion

A

head of fibula

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13
Q

bicep femoris short head action

A

flex knee, lateral rotation of knee

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14
Q

bicep femoris short head innervation

A

common fibular nerve

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15
Q

semimembranosus origin

A

ischial tuberosity

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16
Q

semimembranosus insertion

A

medial condyle of tibia

17
Q

semimembranosus action

A

extension of hip, flexion of knee, medial rotation of knee

18
Q

semimembranosus innervation

A

tibial nerve

19
Q

semimembranosus blood supply

A

deep femoral artery and popliteal artery

20
Q

semitendinosus origin

A

ischial tuberosity

21
Q

semitendinosus insertion

A

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

22
Q

semitendinosus action

A

extend hip, flex knee, medial rotate knee

23
Q

semitendinosus innervation

A

tibial nerve

24
Q

semitendinosus blood supply

A

deep femoral artery and popliteal artery

25
Q

popliteus origin

A

lateral femoral condyle

26
Q

popliteus insertion

A

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

27
Q

popliteus action

A

medial rotation of tibia on femur, lateral rotation of femur on tibia

28
Q

popliteus innervation

A

tibial nerve

29
Q

popliteus blood supply

A

popliteal artery