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ANAT 315 > blood supply and innervation + bones of the knee and thigh > Flashcards

blood supply and innervation + bones of the knee and thigh Flashcards

1
Q

femoral artery

A
  • enters the lower limb at inguinal ligament
  • travels down the anteromedial aspect of the thigh
  • passes through the adductor canal
  • supplies ANTERIOR THIGH
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2
Q

what does the femoral artery supply

A

anterior thigh

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3
Q

femoral artery branches

A

profunda femoris (off femoral artery)
lateral and medial circumflex femoral arteries (off profunda femoris)

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4
Q

profunda femoris

A
  • passes between muscles of the medial compartment
  • pierces the medial compartment muscles
  • supplies blood to the POSTERIOR THIGH
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5
Q

where does the profunda femoris supply

A

to posterior thigh

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6
Q

lateral circumflex femoral artery (LCFA)

A
  • short branch of the femoral artery
  • curves around the neck of femur = “circumflex”
  • contribute blood:
    anterior thigh
    hip joint
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7
Q

where does the LCFA supply

A

anterior thigh and hip joint

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8
Q

medial circumflex femoral artery (MCFA)

A
  • posteromedial branch of deep femoral artery
  • courses around neck of femur
  • emerges un gluteal region
  • supplies:
    posterior thigh
    hip joint
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9
Q

where does the MCFA supply

A

posterior thigh
hip joint

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10
Q

what is in the popliteal fossa

A
  • popliteal artery
  • geniculate arteries
  • posterior recurrent tibial artery
  • anterior tibial artery
  • posterior tibial artery
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11
Q

popliteal artery

A
  • enters leg at the base of the popliteal fossa
    supplies :
  • knee joint
  • superficial posterior leg
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12
Q

where does the popliteal artery supply

A
  • knee joint
  • superficial posterior leg
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13
Q

posterior tibial recurrent artery

A
  • branches laterally from popliteal artery
  • moves superior = “recurrent”
  • supplies blood:
    proximal end of the fibula
    tibia
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14
Q

where does posterior tibial recurrent artery supply

A

proximal end of the fibula
tibia

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15
Q

anterior tibial artery

A
  • originates posteriorly
  • branches laterally
  • pierces interossues membrane
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16
Q

anterior tibial arteries

A
  • runs deep on top of the interosseus membrane
  • terminates in foot
  • supplies blood to anterior leg
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17
Q

what does the anterior tibial artery branch into

A

anterior tibial recurrent artery
- terminates superiorly at the anterior knee joint
- supplied blood to knee joint

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18
Q

what does the anterior tibial artery supply

A

anterior leg

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19
Q

posterior tibial arteries

A
  • runs between the superfifcal and deep posterior muscle group
  • terminates in foot
  • supplies: deep posterior leg
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20
Q

what braches off the posterior tibial artery

A

fibular artery

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21
Q

fibular artery

A

runs down parallel and lateral to tibial artery
supplies:
- lateral leg
- superficial posterior leg

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22
Q

where does the fibular artery supply

A
  • lateral leg
  • superficial posterior leg
23
Q

dorsalis pedis artery

A
  • enters via anterior tibial artery
  • bifurcates at the dorsum of the foot
  • deep plantar artery branches posteriorly
    supplies:
    dorsum of the foot
    digits
24
Q

posterior tibial artery to the foot

A
  • curves under the medial calcaneus
  • lateral and medial plantar arteries
  • deep plantar arch
  • deep plantar arteriers
  • supplies plantar of foot and digits
25
Q

veins of the foot

A
  • anterior tibial veins
  • great saphenous vein
  • dorsal venous network of the foot
  • plantar venous network of the foot
  • posterior tibial veins
26
Q

veins of the leg

A
  • popliteal vein (anterior part)
  • great saphenous vein
  • anterior tibial veins
  • venous network of the foot
  • popliteal vein (posterior part)
  • posterior tibial veins
27
Q

great saphenous vein

A
  • empties into the femoral vein
28
Q

femoral vein

A
  • ascends from the popliteal vein
  • ascends to the inguinal region
29
Q

lumbosacral plexus

A
  • obturator nerve (L2-L4)
  • femoral nerve (L2-L4)
  • sciatic nerve (L4-S3)
30
Q

obturator nerve

A
  • runs down the anterior medial aspect of thigh
  • terminates in thigh
    M: medial thigh muscles
    S: skin over the proximal part of the medial thigh
31
Q

femoral nerve

A
  • descends the anterior thigh to leg
  • divides into branches
    M: anterior thigh muscles
    S: skin of anteromedial thigh and medial aspects of knee, leg and foot
32
Q

sciatic nerve

A
  • runs inferiorly between the medial and posterior thigh compartments
  • L4-S3
  • M: posterior thigh muscles
33
Q

sicatic nerve termination + branches

A
  • at the popliteal fossa
    divides into 2 branches
  • tibial nerve
  • fibular nerve
34
Q

tibial nerve

A
  • continues down the posterior aspect of the leg
  • terminates at the heel of the foot
    M: posterior leg muscles and majority of food muscles
    S: sole of the foot and posterior leg
35
Q

fibular (peroneal) nerve

A
  • curves around the head of the fibula
  • once in anterior compartment of the leg, divides into 3 branches
  • terminates in the foot
  • innervates the lateral and anterior leg muscles
36
Q

fibular nerve (innvartion)

A

M: lateral and anterior leg muscles
M: medial aspect of foot muscles
S: lateral leg and dorsum of the foot

37
Q

distal femur

A
  • lateral epicondyle
  • lateral condyle
  • adductor tubercle
  • medical epicondyle
  • medial condyle
  • patella surface
  • intercondylar fossa
  • linea aspera
38
Q

what are seen posterior of a femur

A
  • linea aspera
  • gluteal tuberosity
  • adductor tubercle
39
Q

patella features

A
  • articular surfaces
40
Q

proximal tibia features (anterior)

A
  • lateral condyle
  • intercondylar eminence
  • medial condyle
  • tibial tuberosity
  • anterior border
41
Q

tibia proximal features (posterior)

A
  • tibial plateau
  • intercondylar eminence
  • medial condyle
  • lateral condyle
  • soleal line
42
Q

knee joint

A
  • synovial
  • modified hinge
  • joint capsule
  • bursae
43
Q

knee joint movement

A
  • flexion
  • extension
  • small amount of medial and lateral rotation
44
Q

bones of the knee

A
  • femur
  • patella
  • tibia
  • fibula (is not part of the knee joint, but is an attachment site for ligaments)
45
Q

ligaments of the knee

A

cruciate ligaments
collateral ligaments
patellar ligament
quadriceps tendon

46
Q

cruciate ligaments

A
  • anterior cruciate ligament
  • posterior cruciate ligament
47
Q

collateral ligaments

A
  • lateral collateral ligament
  • medial collateral ligament
48
Q

tendon

A

muscle to bone

49
Q

ligament

A

bone to bone

50
Q

menisci of the knee

A

medial meniscus
lateral meniscus

51
Q

about menisci of the knee

A
  • fibrocartilage
  • reduce friciton
  • increase stability
  • absorb shock
52
Q

about the medial menisci

A

medial= larger and fixed (attached to MCL)
- oval

53
Q

abut the lateral menisci

A

lateral= smaller and mobile (moves down when flexion)
- circular

ANAT 315 (11 decks)

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