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Anatomy > Popliteal Fossa and Leg > Flashcards

Popliteal Fossa and Leg Flashcards

1
Q

Large sesamoid bone formed in the tendon of the quadriceps femoris muscles after birth

A

Patella

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2
Q

The patella is formed in this tendon

A

Quadriceps femoris

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3
Q

Articular discs that sit between the femur and tibia

A

Lateral and medial meniscus

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4
Q

Unhappy triad involves injuries to:

A

Medial collateral ligament
Meniscus
Cruciate ligament

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5
Q

Knock knee

A

Genu valgum

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6
Q

Bow-legged

A

Genu varum

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7
Q

Retinaculum of the ankle joint on the dorsal superior and inferior portions

A

Extensor retinaculum

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8
Q

Retinaculum of the ankle joint on the superior and inferior lateral surface

A

Fibular retinaculum

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9
Q

Retinaculum of the ankle joint on the medial surface

A

Flexor retinaculum

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10
Q

Action of pointing toes up

A

Dorsiflexion

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11
Q

Action of pointing toes down

A

Plantar flexion

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12
Q

Superomedial border of the popliteal fossa

A

Semimembranosus (with semitendinosus superficial)

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13
Q

Superolateral border of the popliteal fossa

A

Biceps femoris

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14
Q

Inferomedial border of the popliteal fossa

A

Medial head of gastrocnemius

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15
Q

Inferolateral border of the popliteal fossa

A

Lateral head of gastrocnemius and plantaris

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16
Q

Roof of the popliteal fossa

A

skin and popliteal fasica

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17
Q

Contents of the popliteal fossa

A

Popliteal artery and vein
Tibial nerve and common fibular nerve
Posterior cutaneous nerve of thigh
Popliteal lymph nodes and vessels
Termination of small saphenous vein

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18
Q

Comes from the sartorius, gracilis, and semitendinosus muscle tendons inserting onto the proximal anteromedial surface of the tibia and lies superficial to the tibial insertion of the medial collateral ligament of the knee

A

Pes anserinus

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19
Q

Tendons that make up the Pes anserinus

A

Sartorius, gracilis, semitendinosus

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20
Q

Muscles in the anterior compartment of the leg have this general action and innervation:

A

Dorsiflexion
Deep fibular nerve

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21
Q

Muscles in the lateral compartment of the leg have this general action and innervation:

A

Eversion
Superficial fibular nerve

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22
Q

Muscles in the posterior compartment of the leg have this general action and innervation:

A

Plantar flexion, Inversion, Toe flexion
Tibial nerve

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23
Q

Contents of the tarsal tunnel, anterior to posterior:

A

Tibialis posterior muscle
Flexor digitorum superficialis muscle
Posterior tibial artery
Posterior tibial vein
Tibial nerve
Flexor hallucis longus muscle

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24
Q

The dorsalis pedis artery arises from this artery

A

Anterior tibial artery

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25
Q

The fibular artery arises from this artery

A

Posterior tibial artery

26
Q

Dorsalis pedis pulse can be palpated at this location:

A

Between the extensor hallucis longus tendon and extensor digitorum longus tendon on the dorsal surface of the foot

27
Q

Branches of the sciatic nerve

A

Tibial nerve and common fibular nerve

28
Q

Nerve derived from the anterior division of the anterior rami of L4-S3 spinal nerves
Most superficial component of the popliteal fossa
Supplies posterior compartment of the leg

A

Tibial nerve

29
Q

Nerve derived from the posterior divisions of the anterior rami of the L4-S2 spinal nerves
Leaves the popliteal fossa by passing superficial to the lateral head of the gastrocnemius muscle, then passes over the posterior aspect of the head of the fibula
Winds around the neck of the fibula and divides into its terminal branches

A

Common fibular nerve

30
Q

Terminal branches of the common fibular nerve

A

Superficial and deep fibular nerves

31
Q

Nerve that innervates the lateral leg compartment

A

Superficial fibular nerve

32
Q

Nerve that innervates the anterior leg compartment

A

Deep fibular nerve

33
Q

Sensory branch of the femoral nerve

A

Saphenous nerve

34
Q

Sensory branch of the tibial and common fibular nerves that come together and innervate the lateral ankle and foot

A

Sural nerve

35
Q

The small saphenous vein drains into this vein

A

Popliteal vein

36
Q

Action of Extensor digitorum longus

A

Dorsiflexion of ankle; Extension of digits 2-5

37
Q

Innervation of Extensor digitorum longus muscle

A

Deep fibular nerve

38
Q

Action of Tibialis anterior muscle

A

Dorsiflexion of ankle; Inversion of ankle

39
Q

Innervation of Tibialis anterior muscle

A

Deep fibular nerve

40
Q

Action of Fibularis tertius muscle

A

Dorsiflexion of ankle; Eversion of ankle

41
Q

Innervation of Fibularis tertius muscle

A

Deep fibular nerve

42
Q

Action of Extensor hallucis longus muscle

A

Dorsiflexion of ankle; Extension of great toe

43
Q

Innervation of Extensor hallucis longus muscle

A

Deep fibular nerve

44
Q

Action of Fibularis longus muscle

A

Weak plantarflexion of ankle; Eversion of ankle; Supports transverse arch

45
Q

Innervation Fibularis longus muscle

A

Superficial fibular nerve

46
Q

Action of Fibularis brevis muscle

A

Weak plantarflexion of ankle; Eversion of ankle

47
Q

Innervation of Fibularis brevis muscle

A

Superficial fibular nerve

48
Q

Action of Gastrocnemius muscle

A

Plantarflexion of ankle; Flexion of knee

49
Q

Innervation of Gastrocnemius muscle

A

Tibial nerve

50
Q

Action of Soleus muscle

A

Plantarflexion of ankle

51
Q

Innervation of Soleus muscle

A

Tibial nerve

52
Q

Action of Plantaris muscle

A

Weak plantarflexion of ankle; Weak knee flexion; Proprioception

53
Q

Innervation of Plantaris muscle

A

Tibial nerve

54
Q

Action of Popliteus muscle

A

Weak knee flexion; Unlocks knee during flexion

55
Q

Innervation of Popliteus muscle

A

Tibial nerve

56
Q

Action of Tibialis posterior muscle

A

Plantarflexion and inversion of ankle

57
Q

Innervation of Tibialis posterior muscle

A

Tibial nerve

58
Q

Action of Flexor hallucis longus muscle

A

Plantarflexion of ankle; Flexion of great toe (hallux)

59
Q

Innervation of Flexor hallucis longus muscle

A

Tibial nerve

60
Q

Action of Flexor digitorum longus muscle

A

Plantarflexion of ankle; Flexion of digits 2-5

61
Q

Innervation of Flexor digitorum longus muscle

A

Tibial nerve

Anatomy (23 decks)

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