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OTH 504 > OTH 504 Exam 1 > Flashcards

OTH 504 Exam 1 Flashcards

1
Q

patella is cartilaginous at birth and ossifies between what ages?

A

3-6 years

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2
Q

what kind of joint is the knee?

A

synovial joint

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3
Q

articulations of the knee?

A

lateral, medial, patellofemoral

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4
Q

knee stability depends on

A

strength and action of surrounding muscles

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5
Q

knee flexion depends on?

A

hamstrings

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6
Q

knee extension depends on?

A

quadriceps

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7
Q

knee flexion is limited by

A

calf and thigh

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8
Q

knee extension is limited by

A

cruciate and lateral ligaments

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9
Q

medial rotation of knee

A

popliteus, semitendinosus

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10
Q

medial rotation of the knee

A

cruciate ligaments

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11
Q

lateral rotation of the knee

A

biceps femoris

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12
Q

lateral rotation of knee is limited by

A

collateral ligaments

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13
Q

menisci of the knee joint:

A

shock absorbers

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14
Q

transverse ligament of the knee connect

A

anterior edges of the menisci

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15
Q

what connect the menisci to the tibial condyles?

A

coronary ligament

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16
Q

weaker cruciate ligament

A

ACL

17
Q

ACL runs from

A

the anterior tibia to the posterior-medial/lateral condyle of the femur

18
Q

ACL prevents:

A

posterior displacement of the femur on the tibia and hyperextension

19
Q

PCL runs from:

A

posterior intercondylar area of the tibia to the anterior part of the lateral medial condyle of the femur

20
Q

PCL prevents:

A

anterior displacement of the femur on the tibia OR posterior displacement of the tibia on the femur and hyperflexion of the knee

21
Q

PCL stabilizes:

A

the flexed knee

22
Q

patellar reflex/knee jerk reflex is tested by:

A

the patellar tendon

23
Q

patellar reflex tests what nerves

A

L2-L4

24
Q

popliteal fossa

A

back of the knee

25
Q

within the popliteal fossa:

A

AVN structure (artery, vein, nerve)

26
Q

sciatic nerve divides into

A

tibial and common peroneal nerve

27
Q

common peroneal nerve divides into

A

deep peroneal and superficial peroneal nerve

28
Q

genu valgum

A

knock-kneed
- unequal distribution of weight onto the lateral knee
- frequently occurs in children 2-4

29
Q

genu varum

A

bowlegged
- unequal distribution of weight onto the medial knee
- knee cap is pulled laterally
- frequently occurs in children until 2 years

30
Q

arthrosis

A

destruction of the knee cartilage
- irregular angles lead to wear and tear of articular surfaces

31
Q

total knee replacement

A

replaces the femoral, tibial, and fibular articular surfaces

OTH 504 (1 decks)

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