Muscles that flex the knee Flashcards

1
Q

Gracilis
(origin)

A

Inferior ramus of pubis, ramus of ischium

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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

Adduct hip, Medially rotate hip if knee flexed, knee flexion

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4
Q

Gracilis
(innervation)

A

Obturator nerve

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5
Q

Biceps Femoris long head
(origin)

A

ischial tuberosity

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6
Q

Biceps femoris long head
(insertion)

A

head of the fibula

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7
Q

Biceps femoris long head
(action)

A

Extend hip, flex knee, laterally rotate knee

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8
Q

Biceps femoris long head
(innervation)

A

tibial nerve

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9
Q

Biceps femoris short head
(origin)

A

linea aspera of femur

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10
Q

Biceps femoris short head
(insertion)

A

head of fibula

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11
Q

Biceps femoris short head
(action)

A

flex knee, laterally rotate knee

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12
Q

Biceps femoris short head
(innervation)

A

common fibular nerve

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13
Q

Semimembranosus
(origin)

A

ischial tuberosity

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14
Q

Semimembranosus
(insertion)

A

medial condyle of tibia posterior side

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15
Q

Semimembranosus
(action)

A

extend hip, flex knee, medially rotate knee

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16
Q

Semimembranosus
(innervation)

A

tibial nerve

17
Q

Semitendinosus
(origin)

A

ischial tuberosity

18
Q

Semitendinosus
(insertion)

A

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

19
Q

Semitendinosus
(action)

A

extend hip, flex knee, medially rotate knee

20
Q

Semitendinosus
(innervation)

A

tibial nerve

21
Q

Popliteus
(origin)

A

lateral femoral condyle

22
Q

Popliteus
(insertion)

A

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

23
Q

Popliteus
(action)

A

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

24
Q

Popliteus
(innervation)

A

tibial nerve

25
Q

Sartorius
(origin)

A

Anterior Superior Iliac Spine

26
Q

Sartorius
(insertion)

A

Medial Surface of proximal tibia (pes ansrine) distal to tibial tuberosity

27
Q

Sartorius
(action)

A

Flex, abduct, laterally rotate hip, flex knee

28
Q

Sartorius
(innervation)

A

Femoral nerve