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2. HLTH 109 > Thigh and knee II > Flashcards

Thigh and knee II Flashcards

1
Q

list general parts of femoral triangle:

A

base, medial/ lateral border, floor, apex

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2
Q

femoral triangle: base

A

inguinal lig

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3
Q

femoral triangle: medial border

A

adductor longus

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4
Q

femoral triangle: lateral border

A

sartorius

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5
Q

femoral triangle: floor

A

iliopsoas, pectineus

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6
Q

femoral triangle: apex

A

continual with adductor canal that descends medially and through adductor hiatus

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7
Q

major structures of femoral triangle:

A

Lā€“>M

  • fem n
  • fem a
  • fem vein
  • lymphatic vessels

VAN: M->L
NAVEL: + empty space

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8
Q

femoral sheath:

A

subdivided in 3 com containing (Lā€“> M):

  • femoral artery
  • femoral vein
  • lymphatics (femoral canal)
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9
Q

femoral canal:

A

contains fat, lymph vessels, deep inguinal lymph node

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10
Q

femoral ring:

A

upper end of femoral canal

  • potential weak point in lower abdomen,
  • site femoral hernias
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11
Q

saphenous opening/ ring:

A
  • opening in fascia lata
  • upper middle thigh
  • passage for great saphenous vein, lymph vessels, small arteries
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12
Q

adductor (sub-sartorial) canal: general

A
  • musculofascial tunnel continuous with femoral triangle
  • ends at adductor hiatus
  • middle 1/3 of thigh
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13
Q

adductor (sub-sartorial) canal: boundaries

A

anterolaterally:
- vastus medialis

posteriorly:

  • adductor longus
  • adductor magnus

medially (and roof):
- sartorius

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14
Q

adductor (sub-sartorial) canal: contents

A
  • femoral vessels
  • saphenous n
  • n to vastus medialis
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15
Q

name 2 knee joints:

A
  • femorotibial joint

- femoropatellar joint

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16
Q

femorotibial joint: classification

A

synovial hinge

17
Q

femorotibial joint: articulating surfaces

A
  • medial femoral condyle w/ medial tibial condyle
  • lateral femoral condyle w/ lateral tibial condyle

(lateral medial meniscus- transverse, coronary ligaments)

18
Q

femorotibial joint: ligaments

A

extracapsular:

  • ligamentus patellae
  • medial/lateral collateral
  • oblique popliteal
  • arcuate popliteal

intra-articular:

  • ant/post cruciate
  • ant/post meniscofemoral
19
Q

femorotibial joint: bursae

A

many: incl
- suprapatellar
- pre-patellar
- superficial/ deep infrapatellar

20
Q

femorotibial joint: blood supply

A

descending and genicular branches from:

  • femoral
  • popliteal
  • lateral circumflex femoral aa
  • cirumflex fibular

recurrent branches from tibial

21
Q

femorotibial joint: innervation

A

branches from:

  • obturator
  • femoral
  • tibial
  • common fibular nn
22
Q

femorotibial joint: movements

A

flexion, extension

- some rotation during locking/unlocking the knee

23
Q

femoropatellar joint: classification

A

synovial plane

24
Q

femoropatellar joint: articulating surfaces

A

patellar surface of femur - articular surface of patella

25
Q

femoropatellar joint: ligaments

A

patellar lig

26
Q

femoropatellar joint: movements

A

gliding

27
Q

to test for tears in cruciate ligaments:

A

ACL: can draw tibia anteriorly while flex knee

PCL: can push tibia posteriorly while flex knee

28
Q

stability of knee joint: general

A
  • combo of bones, ligaments, menisci, iliotibial tract, muscles
  • most stable when extended
  • in flexion, ligs are more lax, some rotation occurs
29
Q

stability of knee joint: medial stability

A

due to mostly:

  • tibial (medial) collateral lig,
  • semitendinosus
  • semimembranosus
  • sartorius
  • gracilis
30
Q

stability of knee joint: lateral stability

A

due to mostly:

  • fibular (lateral) collateral lig
  • iliotibial tract
  • popliteus
  • biceps femoris
31
Q

stability of knee joint: anterior/posterior stability

A

enhanced by:

  • cruciate ligs
  • quadriceps tendon
  • ligamentum patellae
32
Q

Q angle:

A

normal angle at the knee, when extended

33
Q

popliteal fossa: list boundaries

A
  • superior
  • inferior
  • floor
  • roof
34
Q

popliteal fossa: superior boundary

A

medial:

  • semitendinosus
  • semimembranosus

lateral:
- biceps femoris

35
Q

popliteal fossa: inferior boundary

A

medial:
- medial head of gastrocnemius

lateral:

  • plantaris
  • lateral head of gastrocnemius
36
Q

popliteal fossa: floor

A
  • capsule of knee joint
  • femur
  • tibia
  • popliteus membrane (?)
37
Q

popliteal fossa: roof

A

fascia and skin

38
Q

popliteal fossa: contents

A
  • popliteal artery and vein
  • tibial
  • common fibular n

2. HLTH 109 (29 decks)

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