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HC1216 - Anatomy, Biomechanics and Human Movement > The Knee Medial Rotators > Flashcards

The Knee Medial Rotators Flashcards

1
Q

Name the The Knee Medial Rotators

A

Semitendinosus, Semimembranosus, Gracilis, Sartorius, Popliteus

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2
Q

Semimembranosus origin

A

Ischial tuberosity of the innominate

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3
Q

Semimembranosus insertion.

A

Posteromedial surface of medial condyle of the tibia.

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4
Q

Semimembranosus nerve supply.

A

Sciatic nerve L5, S1, 2.

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5
Q

Semimembranosus actions.

A

Hip extension & knee flexion & medial rotation

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6
Q

Semimembranosus functions.

A

turn foot inwards

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7
Q

Semitendinosus origin .

A

Ischial tuberosity of the innominate

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8
Q

Semitendinosus insertion

A

Medial surface of medial condyle of tibia.

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9
Q

Semitendinosus nerve supply

A

Sciatic nerve L5, S1, 2.

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10
Q

Semitendinosus action

A

Hip extension knee flexion & medial rotation.

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11
Q

Semitendinosus function

A

turning foot inwards

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12
Q

Sartorius origin

A

Anterior superior iliac spine.

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13
Q

Sartorius insertion

A

Medial side of the body of the tibia.

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14
Q

Sartorius nerve supply.

A

Femoral nerve L2, 3.

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15
Q

Sartorius action.

A

hip and knee flexion. thigh lateral rotation and abduction. Medial rotation of the tibia on femur.

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16
Q

Sartorius function.

A

turning foot inwards

17
Q

Gracilis origin.

A

Front of body of the pubis, inferior pubic and ischial rami of the innominate

18
Q

Gracilis insertion

A

Medial surface of the body of the tibia.

19
Q

Gracilis nerve supply.

A

Obturator nerve L2, 3.

20
Q

Gracilis action

A

Thigh adduction and knee flexion.

21
Q

Gracilis function

A

turn foot inwards

22
Q

Popliteus origin

A

Anterior aspect of outer surface of lateral condyle of femur.

23
Q

Popliteus insertion

A

Posterior surface of tibia above the soleal line.

24
Q

Popliteus nerve supply.

A

Tibial nerve L5.

25
Q

Popliteus action.

A

Lateral rotation of femur on tibia. unlocks the knee from close-packed positions.

26
Q
A

HC1216 - Anatomy, Biomechanics and Human Movement (72 decks)

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