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ANATOMY UNIT 1 > Posterior Thigh, Popliteal Region, and Posterior Leg > Flashcards

Posterior Thigh, Popliteal Region, and Posterior Leg Flashcards

1
Q

What are the 2 muscular branches of the sciatic nerve?

A
  1. Tibial Nerve

2. Common Fibular (Peroneal) Nerve

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2
Q

Biceps Femoris Long Head action

A

Knee flexion, LR
Hip extension
Assists in hip LR

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3
Q

Biceps Femoris Long Head PI

A

Tibial N.

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4
Q

Biceps Femoris Long Head SI

A

L5, S1, 2, 3

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5
Q

Biceps Femoris Short Head action

A

Knee flexion, LR

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6
Q

Biceps Femoris Short Head PI

A

Common fibular N.

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7
Q

Biceps Femoris Short Head SI

A

L5, S1, 2

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8
Q

Semitendinosus Action

A

Knee flexion, MR
Extend hip
Assists in hip MR

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9
Q

Semitendinosus PI

A

Tibial N.

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10
Q

Semitendinosus SI

A

L4, 5, S1, 2

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11
Q

Semimembranosus Action

A

Knee flexion, MR
Extend hip
Assists in hip med rot

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12
Q

Semimembranosus PI

A

Tibial N.

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13
Q

Semimembranosus SI

A

L4, 5, S1, 2

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14
Q

Gastrocnemius Medial Head Action

A

Talocrural plantar flexion
Assists in knee flexion
Subtalar joint inversion (supination)

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15
Q

Gastrocnemius Medial and Lateral Head PI

A

Tibial N.

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16
Q

Gastrocnemius Medial and Lateral Head SI

A

S1, 2

17
Q

Gastrocnemius Lateral Head Action

A

talocrural plantar flexion

assists in knee flexion

18
Q

Plantaris action

A

Plantar flexion

Assists in knee flexion

19
Q

Plantaris PI

A

Tibial N.

20
Q

Plantaris SI

A

L4, 5, S1, 2

21
Q

Soleus action

A

Talocrural plantar flexion

Subtalar joint inversion (supination)

22
Q

Soleus PI

A

Tibial N.

23
Q

Soleus SI

A

L5, S1, 2

24
Q

FHL Action

A

Great toe IP flexion
Assists in MP flexion
Plantar ankle flexion
Foot inversion

25
Q

FHL PI

A

Tibial N.

26
Q

FHL SI

A

L5, S1, 2

27
Q

FDL Action

A

Proximal and distal IP and MP flexion of 2-5 digits

Assists in plantar flexion of ankle and inversion of foot

28
Q

FDL PI

A

Tibial N.

29
Q

FDL SI

A

L5, S1, 2

30
Q

Tibialis Posterior Action

A

Inversion

Assists in ankle plantar flexion

31
Q

Tibialis Posterior PI

A

Tibial N.

32
Q

Tibialis Posterior SI

A

L4, 5, S1

33
Q

Popliteus Action

A

NWB: MR of tibia on the femur, knee flexion
WB: LR femur on tibia and knee flex
Helps reinforce posterior ligament of knee joint

34
Q

Popliteus PI

A

Tibial N.

35
Q

Popliteus SI

A

L4, 5, S1

ANATOMY UNIT 1 (4 decks)

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