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ms 1 - 2nd shift > knee anatomy > Flashcards

knee anatomy Flashcards

1
Q

largest and most complex joint in body

A

knee joint

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2
Q

joints consisting knee joint

A

tibiofemoral jt, patellofemoral jt, proximal tibia-fibula joint

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3
Q

primary a knee joint, largest jt in body

provides greater ROM in flexion, extension

limited rotation and minimal add and abd

A

tibiofemoral joint

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4
Q

plane joint, sliding gliding of patella on femur

protects anterior knee

provides mechanical advantage for the quads

A

patellofemoral joint

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5
Q

synovial, plane, gliding joint

A

proximal tibia-fibula joint

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6
Q

ligaments of the tibia-fibula jt and their functions

A

anterior and posterior ligaments strengthen the capsule

interosseous membrane, connects the shaft of the 2 bones, strengthen joint

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7
Q

nerve supply of proximal tibia-fibula jt

A

common peroneal nerve

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8
Q

movements of prox tibia-fibula jt

A

small amount of gliding movement takes place during movements at ankle jt

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9
Q

stability of knee joint depends on

A

strength and actions of surrounding muscles

ligaments that connect the femur and tibia

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10
Q

2 groups of knee ligaments

A

extracapsular and intracapsular

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11
Q

extracapsular ligament, distal part of the quadriceps tendon

A

patellar ligament

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12
Q

extracapsular ligament, from femur to fibula

A

lateral collateral ligament or fibular collateral ligament

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13
Q

extracapsular ligament, from femur to tibia

A

medial collateral ligament or tibial collateral ligament

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14
Q

rounded, cordlike strong ligament

prevents excessive adductiom

A

lateral collateral ligament or fibular collateral ligament

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15
Q

strong flat band that extends from medial condyle to medial of tibia

deep part attached to medial meniscus

prevents excessive abduction of knee

A

medial collateral ligament or tibial collateral ligament

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16
Q

expansion of semimembranosus muscle that strengthens the fibrous capsule posteriorly

A

oblique popliteal ligament

17
Q

intracapsular ligaments

A

cruciate ligament (anterior, posterior)
menisci ligament (medial, lateral)

18
Q

located at center of the joint, provides stability to the knee joint

named according to tibial attachment

main bond between tibia and femur through out the joint’s motion

A

cruciate ligament

19
Q

cruciate ligament that attaches anterior of tibia to posterior of femur

weaker, poor blood supply

slack when flexed, taut when extended

A

anterior cruciate ligament

20
Q

anterior cruciate ligament prevents

A

posterior displacement of femur or anterior displacement of tibia over femur

hyperextension of knee

21
Q

acl provides

A

rational (tortional) stability

22
Q

posterior tibia to anterior femur

stronger cruciate ligament

tight when knee is flexed

A

posterior cruciate ligament

23
Q

pcl prevents

A

anterior displacement of femur on tibia or posterior displacement of tibia on femur

hyperflexion of knee

24
Q

pcl function

A

during weight bearing of flexed knee, pcl is the minimum stabilizer of the femur

25
Q

circular and smaller meniscus, more freely movable

A

lateral meniscus ligament

26
Q

c shape, broader

firmly attached to the deep surface if tibial collateral ligameng

A

medial meniscus ligament

27
Q

anterior attachment of medial meniscus ligament

A

anterior intercondylar area od gibia, anterior to attachment of acl

28
Q

posterior attachment of medial meniscus ligament

A

posterior condylar area

29
Q

meniscus ligament that is easily injured bc of its attachments

A

medial meniscus ligaments

30
Q

knee flexor,limited by contact if thigh and calf

A

hamstrings

31
Q

knee extensor, limited by cruciate and collateral ligaments

A

quadriceps

32
Q

when knee is flexed

A

rotation occurs

33
Q

medial rotators, check by cruciate ligaments

A

popliteus, semitendinosus, semimembranosus

34
Q

lateral rotators, checked by collateral ligament

A

biceps femoris

ms 1 - 2nd shift (13 decks)

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