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Kines 334 > Test 2.1 > Flashcards

Test 2.1 Flashcards

1
Q

Which structures does the patellofemoral joint articulate

A

Patella with the femur

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2
Q

Which motions do the femoral condyles execute

A

Rolling and gliding

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3
Q

When does the rolling movement occur at the knee

A

The initiation of flexion

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4
Q

When does the sliding movement occur at the knee

A

Occurs at the end of flexion

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5
Q

What is the screw home mechanism

A

It is when the knee moves towards terminal extension, the tibia ER about 20 degrees on the fixed femur

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6
Q

What is the ROM for the knee for flexion and extension

A

Flexion = 135

Extension = -10

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7
Q

What is arthrology

A

When the knee supports the weight of the body and transmits forces from the ground up

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8
Q

True or false

Joint capsule surrounds the entire articulation

A

True but it doesn’t in the anterior portion

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9
Q

What is the surface of the tibia covered by

A

Fibrocartilaginous menisci

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10
Q

True or false

The lateral menisci is attached to the LCL

A

False

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11
Q

Which menisci is tighter the lateral or medial

A

Lateral

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12
Q

The tendons of the semimembranosis sends fibers to what?

A

Posterior edge of medial menisci

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13
Q

Where does the popliteus muscle send fibers?

A

To lateral menisci

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14
Q

Where does the meniscofemoral ligament extend to

A

From the lateral meniscus (post) to the inside of the medial condyle near the PCL

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15
Q

What are coronary ligaments

A

Meniscotibial

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16
Q

Are MCL and LCL collateral ligaments or cruciate ligaments

A

Collateral ligaments

17
Q

What’s the characteristic of the MCL

A

Flat band, attaches above medial condyle of femur and below to medial surface of tibia

18
Q

What’s the characteristic of the LCL

A

Cordlike, attached above lateral condyle of femur and below the head of fibula

19
Q

Which force does the MCL and LCL resist

A

MCL resist valgus force

LCL resist varus force

20
Q

Is the ACL intra-articular or extra-articular and what is it bathed in

A

Intra-articular and bathed in synovium

21
Q

What are the threes bundles of fibers that are within the ACL

A

Anteromedial, intermediate and posterolateral

22
Q

What are the two bundle of fibers that are within the PCL

A

Anteromedial and posterolateral

23
Q

What are supporting posterolateral ligaments

A

Oblique popliteal

Arcuate popliteal

Arcuate complex

24
Q

What does the arcuate complex consist of

A

Arcuate ligament

Posterior lateral capsule and portion of the PCL

LCL

Fabellofibular

25
Q

Where does the arcuate popliteal run

A

From head of fibula, over the popliteus muscle to attach into the posterior joint capsule

26
Q

Where does the oblique popliteal run

A

From semimembranosis on posterior aspect of capsule, then from that tendon to the medial aspect of the lateral femoral condyle (post)

27
Q

Where is the thickest articulat cartilage in the body

A

Posterior surface of patella

28
Q

Which muscle group stabilizes the patella

A

Quads

29
Q

What anchors the patella distally

A

Patellar tendon

30
Q

Does vastus lateralis and IT band assist with lateral or medial stabilization

A

Lateral

31
Q

From full flexion to extension how much does the patella slide

A

7-8 cm

32
Q

At what point of flexion does the odd facet on into contact?

A

135 degrees of flexion

33
Q

How is the Q-angle measured

A

From ASIS to mid patella and then another line from the mid patella to tibial tuberosity

34
Q

What’s the normal Q-angle range for males and females

A

Males - 10-14 degrees

Females- 15-17 degrees

35
Q

What does q-angle represent

A

Valgus stress on the knee

36
Q

What does a very small q-angel result in and what does a larger q-angle result in

A

Very small= genu varum

Greater than 17 degrees results in genu valgum

37
Q

What structures does the Tibiofemoral joint articulate

A

The femur with the tibia

Kines 334 (25 decks)

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