OIN Posterior Thigh Flashcards

1
Q

Common Proximal Attachment

A

ischial tuberosity (except biceps femoris short head)

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2
Q

Common innervation

A

Tibial division of the sciatic nerve (except biceps femoris short head)

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3
Q

Common functions

A

leg flexion at knee

thigh extensions at hip (except biceps femoris short head)

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4
Q

Semitendinosus attachments

A

O: ischial tuberosity
I: Pes Anserinus on AM superior tibia

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5
Q

Semitendinosus Function

A

extend thigh
flex leg
medially rotate leg

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6
Q

Semitendinosus Innervation

A

Tibial Division of the Sciatic Nerve

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7
Q

Pes Anserinus tendons superifical to deep

A

sartorius
gracilis
semitendinosus

SGT FOT

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8
Q

Semimembranosus attachments

A

O: ischial tuberosity
I: posterior part of the medial tibial condyle (not pes anserinus)

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9
Q

Function of Semimembranosus

A

Extend thigh
flex leg
medial rotation of leg

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10
Q

innervation of semimembranosus

A

tibial division of sciatic N

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11
Q

semimembranosus two tendons

A

one to the medial tibial condyle (attachment pt)

oblique popliteal ligament to reinforce knee and form part of popliteal fossa floor

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12
Q

biceps femoris long head attachments

A

O: ischial tuberosity
I: lateral aspect of fibular head (not pes ansirinus)

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13
Q

biceps femoris long head function

A

extend thigh
flex leg
laterally rotate flexed leg

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14
Q

biceps femoris long head innervation

A

tibial division of scaitic n

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15
Q

biceps femoris short head attachment

A

O: linea aspera and lateral supracondylar line
I: lateral aspect of fibular head (not pes ansirinus)

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16
Q

biceps femoris short head function

A

flex leg,
laterally rotate flexed leg
NO EXTENSION

17
Q

biceps femoris short head innervation

A

common fibular division of sciatic N (different from others)

18
Q

Adductor Magnus hamstrings portion attachment

A

O: ischial tuberosity
I: adductor tubercle on medial epicondyle

19
Q

Adductor Magnus hamstrings portion function

A

extend thigh

NO KNEE MOVEMENT

20
Q

Addcutor Magnus hamstrings portion inneration

A

tibial division of sciatic N.