7.1_knee pt 1 Flashcards

1
Q

w6

hip
extra capsular lig

A

1.
2.
3.

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2
Q

biggest sesamoid bone in body?

A

patella

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3
Q

-apex
-base
of patella loc

A

apex =inferiorly

-superior

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4
Q

fibula funct

A
  1. provides site for musular attachment

* not really weight bearing

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5
Q

tibia sits…

A

postero/laterally

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6
Q

what inserts onto tibial tuberosity?

A

1.
2.
3.
4.

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7
Q

classify knee joint

A

synovial, hindge

*also element of
internal / external rotation

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8
Q

component of knee joint?

A

synovial capsule
extracapsular lig
intracapsular lig’s

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9
Q

patella serves as ..

A

a leaver for mechanical movement

weight leaver

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10
Q

classify

superior tibia fibular joint

A

synovial, plane

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11
Q

with all synovial joints they will have ..

A

lig supporting the capsule

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12
Q

patella tendon / lig attaches to..

A

tibial tuberosity

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13
Q

intracapsular structures *2

fem/tib joint
inside capsule

A
  1. menisci - med./lat. (fibrocartlige)

2.

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14
Q

menisci act as..

A

shock absorbers

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15
Q

medial menisci

larger or smaller?

A

larger (more c shaped)

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16
Q

menisci att to ?

A

medial menisci

  1. knee fibrous capsule
  2. tibial colateral lig

lat menisci

17
Q

Q-angle

A

angle between thigh and

18
Q

increase Q-angle

A

knock knees

19
Q

decrease Q-angle

A

genu varum

—–outward pointing knees

20
Q

femoral condyles sit on..

A

tibial plateaus

21
Q

knee locking mechanism

is for ?

A

decr. mus output from the quad’s

the ability of the femar
to sit of the tibia
locking
and stay in that position without much mus contraction

*otherwise quad’s would have to be alway fully contracted and is tiring

22
Q
poplateus
mus (or tendon)
is very important for 

mn~ tai chi stance

A

unlocking of the knee

*going from fully locked to just under locked
mn= tai chi stance

23
Q

> > > knee

extracapsular lig *5

A
  1. medial collateral (tibial collateral)
  2. lat. collateral (femoral collat.)
  3. patellar lig
  4. oblique popliteal lig
  5. arcuate popliteal lig
24
Q

medial collat. lig runs..

A

from med epicond. femar
to
medial chondyle

25
Q

lateral collat. lig runs..

A

lat epichon
to
down to head of fibular

26
Q

obliq. popliteal lig is an expansion of

A

semimembranousus tendon

27
Q

arcute popliteal lig

blends with

A

capsule superomedially

28
Q

ant. cruciate lig
post

runs. .
* naming is where it att to the tibia

A

ant cruciate lig (ACL)
-ant interchondylar area and runs
posterior

post. cruciate lig (PCL)
- post to ant

29
Q

att.

ant. cruciate lig

A

from
-ant. intercondylar area

to (moving laterally)
-medial aspect of the LATERAL FEMORAL condyle

30
Q

att.

post cruciate lig

A

from
-post. intercondylar area

att to
-the lateral aspect of the MEDIAL TIBIAL condyle

31
Q

crutiates dont reinforce_

A

the synovial capsule

32
Q

to much extension is when you bust your..

A

ACL cruciate (skiing = hyper EXTENSION)

33
Q

to much flexion is when you bust your..

A
PCL cruciate
hyper FLEXION (car accident knees against steering wheel)
34
Q

hyper extension and twisting (in netball)

A

crutiate and twisting (netball)

acute Knee injuries

35
Q

hyper extension and twisting (in netball)

causes

A

acute Knee injuries of cruciate lig’s

36
Q

hyper extension and twisting (in netball)

causes

A

acute Knee injuries of cruciate lig’s

37
Q

bursa of knee

A
  1. prepatella bursa (over patella) -gardening bursa
  2. infrapatella bursa (below) - michael jordan bursa
    - subcutaneous
    - deep
  3. pes anserine bursa (= like soccer movement injury)
  4. suprapatella bursa
  5. *(injure if knealing on hard surface to long = gardening bursa)
  6. *(inflammed= heaps of activity of patella lig - heaps of extention = jumpers knees = michale jordan bursa)
38
Q

swelling above the knee goes into..

A

the suprapatella bursa