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ANAT 315 Term 2 > Lecture 6 - Posterior Thigh & Popliteal Fossa > Flashcards

Lecture 6 - Posterior Thigh & Popliteal Fossa Flashcards

1
Q

Features of proximal tibia (3)

A
  • medial condyle
  • lateral condyle
  • tibial tuberosity
    (the tibia is medial and has a much larger proximal head than the fibula)
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2
Q

Feature of the proximal fibula (1)

A

head

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3
Q

Posterior thigh muscles (IV)

A
  • biceps femoris (long head) and biceps femoris (short head)
  • semitendinoseus
  • semimebranosus
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4
Q

Biceps femoris - long head: origin

A

ishcial tubersority

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5
Q

Biceps femoris - long head: insertions (2)

A
  • lateral condyle of tibia
  • head of fibula
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6
Q

Biceps femoris - long head: actions (3)

A
  • knee flexion
  • lateral rotation of tibia
  • hip extension
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7
Q

Biceps femoris - long head: innervations (2)

A

sciatic nerve -> tibial nerve

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8
Q

Biceps femoris - short head: origin

A

linea aspera

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9
Q

Biceps femoris - short head: insertions (2)

A
  • lateral condyle of tibia
  • head of fibula
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10
Q

Biceps femoris - short head: actions (2)

A
  • knee flexion
  • medial rotation of tibia
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11
Q

Biceps femoris - short head: innervations (2)

A

sciatic nerve -> common fibular nerve

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12
Q

Semitendinosus: origin

A

ischial tuberosity

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13
Q

Semitendinosus: insertion

A

proximal medial tibia

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14
Q

Semitendinosus: actions (3)

A
  • knee flexion
  • medial rotation of tibia
  • hip extension
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15
Q

Semitendinosus: innervations (2)

A

sciatic nerve -> tibial nerve

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16
Q

Semimembranosus: origin

A

ischial tuberosity

17
Q

Semimembranosus: insertion

A

medial condyle of tibia

18
Q

Semimembranosus: actions (3)

A
  • knee flexion
  • medial rotation of tibia
  • hip extension
19
Q

Semimembranosus: innervations (2)

A

sciatic nerve -> tibial nerve

20
Q

What is the Pes Anserinus?

A
  • “Goose’s foot” cause it looks like a goose’s foot
  • combined tendons of 3 muscles inserting onto the proximal medial tibia
21
Q

What three muscles are part of the Pes Anserinus?

A
  • sartorius
  • gracilis
  • semitendinosus
22
Q

What is the popliteal fossa?

A

the space located directly posterior to the knee joint

23
Q

What are the 5 borders of the popliteal fossa?

A
  • superomedial
  • superolateral
  • inferomedial
  • inferolateral
  • floor
24
Q

What muscle makes the superomedial border of the popliteal fossa?

A

semimembranosus

25
Q

What muscle makes the superolateral border of the popliteal fossa?

A

biceps femoris (long head)

26
Q

What muscle makes the inferomedial border of the popliteal fossa?

A

gastrocnemius (medial head)

27
Q

What muscle makes the inferolateral border of the popliteal fossa? (3)

A
  • gastrocnemius (lateral head)
  • plantaris
  • popliteus
28
Q

What structures makes the floor border of the popliteal fossa? (2)

A

posterior surfaces of femur & tibia

29
Q

What is in the popliteal fossa? (6)

A
  • popliteal vein
  • poplitea artery
  • sciatic nerve
  • tibial nerve
  • common fibular nerve
  • deep popliteal lymph nodes
30
Q

Blood supply of the thigh and knee (first 4)

A

external iliac artery -> femoral artery -> deep femoral artery or popliteal artery

31
Q

Where does the blood go after the deep femoral artery? (2)

A

medial circumflex femoral artery or lateral circumflex femoral artery

32
Q

Where does the blood go after the politeal artery? (4)

A
  • medial superior genicular artery
  • lateral superior genicular artery
  • medial inferior genicular artery
  • later inferior genicular artery
33
Q

Venous drainage of the thigh and knee
(first 5)

A

external iliac vein <- femoral vein <- deep femoral vein or great saphenous vein or popliteal vein

34
Q

where does the blood come from before going into the deep femoral vein? (2)

A

medial circumflex femoral vein or lateral circumflex femoral vein

35
Q

where does the blood come from before going into the popliteal vein? (4)

A
  • medial superior genicular vein
  • lateral superior genicular vein
  • medial inferior genicular vein
  • later inferior genicular vein

ANAT 315 Term 2 (9 decks)

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