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LOWER LIMB > Posterior Lower Limb > Flashcards

Posterior Lower Limb Flashcards

1
Q

What is the action of the biceps femoris?

A

Extends thigh and flexes leg

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1
Q

What is the blood supply to the tibialis posterior?

A

Posterior tibial artery

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2
Q

What is the action of the semimembranosus?

A

Extend thigh and flex leg

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3
Q

What is the action of the gastrocnemius?

A

Plantarflexes foot

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3
Q

What is the innervation of the flexor hallucis longus?

A

Tibial nerve (S2,3)

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4
Q

What is the pes anserinus?

A

Anatomic name for three conjoined tendons on the medial aspect of the knee. Sartorius, gracilis, and semitendinosus

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5
Q

What is the distal attachment of the tibialis posterior?

A

Plantar surface of several tarsals

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6
Q

What is the blood supply to the plantaris?

A

Posterior tibial artery

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6
Q

What is the distal attachment of the popliteus?

A

Posterior surface of the proximal tibia

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7
Q

What is the action of the soleus?

A

Plantarflexes foor

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7
Q

What is the distal attachment of the flexor digitorum longus?

A

Bases of distal phalanges of lateral four digits

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9
Q

What is the blood supply to the semitendonosus?

A

Muscular branches of the profunda femoris perforating arteries

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9
Q

What is the blood supply to the popliteus?

A

Posterior tibial artery

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10
Q

What is the innervation of the gastrocnemius?

A

Tibial nerve (S1,2)

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10
Q

What is the proximal attachment of the plantaris?

A

Lateral supracondylar line of femur

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11
Q

What is the proximal attachment of the flexor hallucis longus?

A

Posterior surface of the fibula

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12
Q

What is the distal attachment of the plantaris?

A

Calcaneal tendon

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13
Q

What is the distal attachment of the semimembranosus?

A

Posterior part of the medial condyle of the tibia

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14
Q

What is the blood supply of the soleus?

A

Posterior tibial artery

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15
Q

What is the innervation of the semitendonosus?

A

Tibial division of the sciatic nerve (L5,S1,2)

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15
Q

What is the action of the plantaris?

A

Plantarflexes ankle

16
Q

What is the innervation of the biceps femoris?

A

Long head: tibial division of the sciatic nerve Short head: common fibular diversion of the sciatic nerve

16
Q

What is the action of the flexor digitorum longus?

A

Flexes lateral four digits and plantarflexes foot

17
Q

What is the innervation of the flexor digitorum longus?

A

Tibial nerve (S2,3)

18
Q

What is the proximal attachment of the popliteus?

A

Lateral condyle of femur

19
Q

What is the action of the popliteus?

A

Weakly flexes knee and unlocks it by rotating femur on fixed tibia and medially rotates tibia of unplanted limb

20
Q

What is the innervation of the popliteus?

A

Tibial nerve (L4,5,S1)

21
Q

What is the distal attachment of the flexor hallucis longus?

A

Base of distal phalanx of great toe (hallux)

21
Q

What is the action of the tibialis posterior?

A

Plantarflexes and inverts foot

22
Q

What is the blood supply to the flexor hallucis longus?

A

Posterior tibial artery

23
Q

What is the action of the flexor hallucis longus?

A

Flexes great toe and plantarflexes foot

25
Q

What is the proximal attachment of the gastrocnemius?

A

Lateral head: lateral condyle of femur Medial head: medial condyle of femur

26
Q

What is the blood supply to the flexor digitorum longus?

A

Posterior tibial artery

28
Q

What is the blood supply of the gastrocnemius?

A

Posterior tibial artery

30
Q

What is the innervation of the semimembranosus?

A

Tibial division of the sciatic nerve (L5,S1,2)

32
Q

What is the distal attachment of the biceps femoris?

A

Head of the fibula

33
Q

What is the distal attachment of the semitendonosus?

A

Medial surface of the superior part of tibia

35
Q

What is the proximal attachment of the semitendonosus?

A

Ischial tuberosity

36
Q

What is the innervation of the tibialis posterior?

A

Tibial nerve (L4,5)

38
Q

What is the distal attachment of the gastrocnemius?

A

Calcaneal tuberosity via the calcaneal tendon

40
Q

What is the blood supply to the semimembranosus?

A

Muscular branches of the profunda femoris perforating arteries

42
Q

What is the proximal attachment of the soleus?

A

Soleal line and head of fibula

43
Q

What is the proximal attachment of the tibialis posterior?

A

Posterior surface of tibia and fibula

44
Q

What is the proximal attachment of the flexor digitorum longus?

A

Posterior surface of tibia

45
Q

What is the distal attachment of the soleus?

A

Calcaneal tendon

46
Q

What is the proximal attachment of the semimembranosus?

A

Ischial tuberosity

47
Q

What is the innervation of the plantaris?

A

Tibial nerve (S1,2)

48
Q

What is the action of the semitendonosus muscle?

A

Extends thigh and flexes leg

49
Q

What is the proximal attachment of the biceps femoris?

A

Long head: ischial tuberosity Short head: linea aspera

50
Q

What is the innervation of the soleus?

A

Tibial nerve (S1,2)

51
Q

What is the blood supply of the biceps femoris?

A

Muscular branches of profunda femoris perforating arteries

LOWER LIMB (8 decks)

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