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Anatomy (JC2) > Leg, Dorsum of Foot, Flexor Retinaculum, Venous Drainage of Lower Limb > Flashcards

Leg, Dorsum of Foot, Flexor Retinaculum, Venous Drainage of Lower Limb Flashcards

1
Q

What are the parts of the Proximal Tibia?

A
  1. Articular Surface which receives the femoral condyles
  2. Intercondylar eminence
  3. Tibial Tuberosity
  4. Soleal Line
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2
Q

What are the parts of the Proximal Fibula?

A
  1. Head

2. Neck

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3
Q

What are the parts of the Distal Tibia?

A
  1. Interosseous Border

2. Medial malleolus

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4
Q

What are the parts of the Distal Fibula?

A
  1. Interosseous Border

2. Lateral Malleolus

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5
Q

What bones make up the ankle?

A
  1. Medial Malleolus of Distal Tibia
  2. Talus
  3. Lateral Malleolus of Distal Fibula
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6
Q

What are the Bones of the Foot?

A
  1. Tarsal Bones
  2. 5 Metatarsals
  3. 5 Phalanges
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7
Q

What are the Tarsal Bones?

A
  1. Talus (ankle bone)
  2. Calcaneus (Heel bone)
  3. Navicular
  4. Medial Cuneiform
  5. Intermediate Cuneiform
  6. Lateral Cuneiform
  7. Cuboid
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8
Q

What muscles are in the Anterior Compartment of the Leg?

A
  1. Tibialis Anterior
  2. Extensor Digitorum Longus
  3. Extensor Hallucis Longus
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9
Q

What are the origins of Tibialis Anterior?

A
  1. Tibia

2. Interosseous Membrane

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10
Q

Where does Tibialis Anterior insert?

A

Medial Cuneiform and 1st Metatarsal

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11
Q

What is the nerve supply to Tibialis Anterior?

A

Deep Peroneal Nerve

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12
Q

What are the actions of Tibialis Anterior?

A

Dorsiflexes and inverts foot

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13
Q

What are the origins of Extensor Digitorum Longus?

A

Fibula and Interosseous Membrane

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14
Q

Where does Extensor Digitorum Longus insert?

A

Extensor expansion of digits 2-5

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15
Q

What is the nerve supply of Extensor Digitorum Longus?

A

Deep Peroneal Nerve

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16
Q

What are the actions of Extensor Digitorum Longus?

A

Dorsiflexes foot and Extends lateral 4 toes

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17
Q

What are the origins of Extensor Hallucis Longus?

A

Fibula and Interosseous Membrane

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18
Q

Where does Extensor Hallucis Longus Insert?

A

Base of Distal Phalanx of big toe

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19
Q

What is the nerve supply to Extensor Hallucis Longus?

A

Deep Peroneal Nerve

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20
Q

What are the actions of Extensor Hallucis Longus?

A
  1. Dorsiflexes and inverts foot

2. Extends 1st toe

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21
Q

What are the Superficial Flexor Muscles in the Posterior Compartment of the Leg?

A
  1. Gastrocnemius
  2. Soleus
  3. Plantaris
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22
Q

What are the origins of Gastrocnemius?

A

Medial and Lateral Condyles of Femur

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23
Q

Where does Gastrocnemius insert?

A

Forms the Achilles Tendon, which attaches to Calcaneus

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24
Q

What is the nerve supply to Gastrocnemius?

A

Tibial Nerve

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25
Q

What are the actions of Gastrocnemius?

A
  1. Plantarflexion of foot and toes

2. Flexes tibia on femur

26
Q

What are the origins of Soleus?

A

Soleal line on Tibia

27
Q

Where does Soleus Insert?

A

Upper third back of Fibula

28
Q

What is the nerve supply to Soleus?

A

Tibial Nerve

29
Q

What are the actions of Soleus?

A

Plantarflexion of the foot

30
Q

What are the origins of Plantaris?

A

Lateral condyle of Femur

31
Q

Where does Plantaris insert?

A

Inserts into the Achilles Tendon

32
Q

What is the nerve supply to Plantaris?

A

Tibial Nerve

33
Q

What are the deep flexor muscles in the Posterior Compartment of the Leg?

A
  1. Tibialis Posterior
  2. Flexor Digitorum Longus
  3. Flexor Hallucis Longus
34
Q

What are the origins of Tibialis Posterior?

A

Posterior Tibia, Fibula and Interosseous Membrane

35
Q

Where does Tibialis Posterior insert?

A

Interior surface of Navicular

36
Q

What is the nerve supply to Tibialis Posterior?

A

Tibial Nerve

37
Q

What are the actions of Tibialis Posterior

A

Inversion and plantarflexion of foot

38
Q

What are the origins of Flexor Digitorum Longus?

A

Posterior Tibia

39
Q

Where does Flexor Digitorum Longus insert?

A

Distal Phalanges of digits 2-5

40
Q

What is the nerve supply of Flexor Digitorum Longus?

A

Tibial Nerve

41
Q

What are the actions of Flexor Digitorum Longus?

A

Flexes toes 2-5 and plantar flexion of foot

42
Q

What are the origins of Flexor Hallucis Longus?

A

Posterior Fibula

43
Q

Where does Flexor Hallucis Longus insert?

A

Distal Phalanx of big toe

44
Q

What is the nerve supply of Flexor Hallucis Longus?

A

Tibial Nerve

45
Q

What are the actions of Flexor Hallucis Longus?

A

PLantarflexion of foot and flexion of 1st toe

46
Q

What are the muscles in the Lateral Compartment of the Leg?

A
  1. Peroneus Longus

2. Peroneus Brevis

47
Q

What are the origins of Peroneus Longus?

A

Tibia and Interosseous Membrane

48
Q

Where does Peroneus Longus insert?

A

Medial Cuneiform and 1st Metatarsal

49
Q

What is the nerve supply to Peoneus Longus?

A

Superficial Peroneal Nerve

50
Q

What are the actions of Peroneus Longus?

A

Plantarflexion and eversion of foot

51
Q

What are the origins of Peroneus Brevis?

52
Q

Where does Peroneus braves insert?

A

Base of 5th Metatarsal

53
Q

What is the nerve supply to Peroneus Brevis?

A

Superficial Peroneal Nerve

54
Q

What are the actions of Peroneus Brevis?

A

Plantarflexion and Eversion of Foot

55
Q

What is the Tarsal Tunnel Made of?

A

Floor: Tarsal Bones
Roof: Flexor Retinaculum

56
Q

What are the contents of the Tarsal Tunnel?

A
  1. Tibialis Posterior
  2. Flexor Digitorum Longus
  3. Posterior Tibial Artery
  4. Posterior Tibial Vein
  5. Tibial Nerve
  6. Flexor Hallucis Longus
57
Q

What are the 2 parts of the Extensor Retinacula?

A
  1. Upper Transverse Band

2. Lower Y-Shaped band

58
Q

What does the Extensor Retinacula overly?

A
  1. Tibialis Anterior
  2. Extensor Digitorum Longus
  3. Extensor Hallucis Longus
  4. Anterior Tibial Artery and its Venae Comitantes
  5. Deep Peroneal Nerve
59
Q

What are the branches of the Popliteal Artery?

A
  1. Anterior Tibial Artery–> becomes the Dorsalis pedis Artery
  2. Posterior Tibial Artery–> Splits into the Medial and Lateral Plantar Arteries
  3. Fibular Artery
60
Q

Describe the course of the Great Saphenous Vein

A
  1. Formed medially from the dorsal venous arch of the foot
  2. Ascends in front of Medial Malleolus and behind the knee
  3. Continues up the thigh to penetrate the fascia late below and lateral to the pubic tubercle at the Saphenous Opening
  4. Drains into the Femoral Vein
61
Q

Describe the course of the Small Saphenous Vein

A
  1. Formed laterally from the dorsal venous arch of the foot
  2. Ascends on the back of the calf accompanied by the Sural Nerve
  3. Penetrates the deep fascia in the popliteal fossa and joins the popliteal vein
62
Q

What is the lymphatic drainage of the foot and leg?

A

Mostly drains along the Great Saphenous Vein to the Inguinal Lymph Nodes. Lateral Leg and foot drain alongside the small saphenous vein to the Popliteal Lymph Nodes

Anatomy (JC2) (20 decks)

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