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
lateral collat. lig runs..
lat epichon to down to head of fibular
26
obliq. popliteal lig is an expansion of
semimembranousus tendon
27
arcute popliteal lig | blends with
capsule superomedially
28
ant. cruciate lig post runs. . * naming is where it att to the tibia
ant cruciate lig (ACL) -ant interchondylar area and runs posterior post. cruciate lig (PCL) - post to ant
29
att. ant. cruciate lig
from -ant. intercondylar area to (moving laterally) -medial aspect of the LATERAL FEMORAL condyle
30
att. post cruciate lig
from -post. intercondylar area att to -the lateral aspect of the MEDIAL TIBIAL condyle
31
crutiates dont reinforce_
the synovial capsule
32
to much extension is when you bust your..
ACL cruciate (skiing = hyper EXTENSION)
33
to much flexion is when you bust your..
``` PCL cruciate hyper FLEXION (car accident knees against steering wheel) ```
34
hyper extension and twisting (in netball)
crutiate and twisting (netball) | acute Knee injuries
35
hyper extension and twisting (in netball) | causes
acute Knee injuries of cruciate lig's
36
hyper extension and twisting (in netball) | causes
acute Knee injuries of cruciate lig's
37
bursa of knee
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 1. *(injure if knealing on hard surface to long = gardening bursa) 2. *(inflammed= heaps of activity of patella lig - heaps of extention = jumpers knees = michale jordan bursa)
38
swelling above the knee goes into..
the suprapatella bursa