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Arthrology > kneeeeeee > Flashcards

kneeeeeee Flashcards

1
Q

name the knee joints (5)

A
  1. tibiofemoral
  2. patellofemoral
  3. proximal/superior tibiofibular
  4. mid tibiofibular
  5. distal tibiofibular
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2
Q

tibiofemoral joint type

A

synovial
hinge (ginglymus)
diarthrosis
biaxial

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3
Q

artic surfaces of tibiofemoral

A

CONVEX medial & lateral femoral condyles

CONCAVE tibial plateau

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4
Q

extracapsular ligaments of tibiofemoral joint

A

extracapsular:
fibrous capsule
patellar
medial patellar retinaculum
lateral patellar retinaculum
tibial/medial collateral ** MCL
fibular/lateral collateral ** LCL
oblique popliteal
arcuate popliteal

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5
Q

intracapsular ligaments of tibiofemoral

A

anterior cruciate ACL
posterior cruciate PCL

posterior meniscofemoral
transverse
coronary
medial and lateral menisci

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6
Q

movements of tibiofemoral

A

gliding
flexion
extension
hyperextension
lateral/external rotation
medial/internal rotation

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7
Q

where does the ACL span from

A

medial aspect of lateral femoral condyle
to
anterior aspect of tibial intercondylar eminence

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8
Q

what does the ACL resist

A

anterior translation and medial rotation of tibia on femur and is taut in HYPEREXTENSION

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9
Q

where does PCL span from

A

posterior aspect of intercondylar eminence to lateral aspect of medial femoral condyle

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10
Q

what does PCL resist

A

posterior translation of tibia on femur

taut in HYPERFLEXION

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11
Q

what does MCL resist

A

VALGUS forces

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12
Q

what does LCL resist

A

VARUS forces

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13
Q

what does the meniscus do

A

acts to disperse weight evenly and to reduce friction w movement

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14
Q

what is the medial meniscus attached to

A

MCL and semimembranosus muscle/tendon

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15
Q

what does the LCL attach to

A

PCL and popliteus muscle

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16
Q

what ligament attaches the menisci anteriorly

A

transverse ligament of the knee
and to the
margins of the head of the tibia by the coronary ligaments

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17
Q

bursas of knee

A

suprapatellar
superficial & deep
infrapatellar
prepatellar
popliteal
semimembranosus

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18
Q

loose packed of tibiofemoral

A

25 degrees flexion

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19
Q

close packed of tibiofemoral

A

full extension
lateral rotation of tibia

20
Q

capsular pattern of restriction of tibiofemoral

A

flexion first then extension

21
Q

ROM of knee joint

A

flexion - 0-135
extension - 0-15
internal rotation - 20-30
external rotation - 30-40

22
Q

open kinetic chain (kicking a ball)
FLEXION:
concave___ rolls & glides posterior on convex _____

A

concave TIBIAL PLATEU rolls & glides posterior on convex FEMORAL CONDYLES

extension: concave tibial plateau rolls & glides ANTERIOR on convex femoral condyles

23
Q

closed kinetic chain (squat)
FLEXION:
______ roll & glide POSTERIOR on ________-

A

femoral condyles roll & glide POSTERIOR on tibial plateau (squatting)

extension: femoral condyles roll & glide ANTERIOR on TIBIAL PLATEAU (moving from squatting to standing)

24
Q

in reference to Q angle what is genu valgum

A

Q angle greater than 22 degrees in women and 18 in men

KNOCKED KNEEES

25
Q

what is genu recurvatum

A

knee hyperextension

26
Q

patellofemoral joint type

A

synovial
plane
diarthrosis
triaxial

27
Q

patellofemoral joint articular surface

A

CONCAVE posterior surface of patella

CONVEX trochlear surface of the distal anterior femur

28
Q

ligaments of patellofemoral joint

A

patellar ligament
medial and lateral patellofemoral

29
Q

movements of patellofemoral

A

superior/inferior glide
medial/lateral glide
medial/lateral tilt
medial/lateral rotation

30
Q

loose packed of patellofemoral

A

full extension

31
Q

close packed of patellofemoral

A

full flexion

32
Q

capsular pattern of restriction patellofemoral

A

flexion first then extension

33
Q

proximal/superior tibiofibular joint type

A

synovial
plane
diarthrosis
uniaxial

34
Q

artic surfaces of proximal tibiofibular

A

articular facet on fibular head
facet on lateral tibial condyle

35
Q

ligaments of proximal tibiofibular joint

A

fibrous capsule
anterior & posterior superior tibiofibular
lateral collateral
upper interosseous membrane

** only does gliding**

36
Q

mid tibiofibular joint type

A

fibrous
syndesmosis
amphiarthrosis
uniaxial

37
Q

ligaments of mid-tibiofibular

A

interosseous membrane

38
Q

artic surfaces of mid tibiofibular joint

A

interosseous membrane connecting the shafts of the tibia and fibula

39
Q

distal tibiofibular joint type

A

fibrous
syndesmosis
amphiarthrosis
uniaxial

40
Q

distal tibiofibular artic surfaces

A

articular area on inferior end of fibula
facet on inferior end of tibia

41
Q

distal tibiofibular ligaments

A

interosseous membrane
anterior & posterior inferior tibiofibular ligaments

42
Q

what is an example of open kinetic chain

A

kicking a ball

43
Q

what does dorsiflexion cause the fibula to do

A

move superiorly causing the proximal/superior tibiofibular joint to be stressed

44
Q

in the GAIT cycle what does the tibia do during swing phase

A

tibia internally rotates

(knee flexion)

45
Q

what does the tibia do during knee extension in the GAIT cycle

A

the tibia externally rotates during the stance phase

(knee extension)

46
Q

rotation of the femur occurs automatically between full extension 0 degrees and 20 degrees of knee flexion

A

during knee extension the tibia glides anteriorly on femur and PCL elongates

during last 20 of knee extension, anterior tibial glide persists on tibia medial condyle

prolonged ant. glide on medial side produces external tibial rotation

Arthrology (11 decks)

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