Thigh and Knee Flashcards

1
Q

Low, decrease
quads leverage, prone
to stiff knee
(arthrogenic knee)

A

Baja

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2
Q

● more mobile than the medial meniscus| can translate______________________
○ lack of attachment to the capsular ligament
posterolaterally

A

9 to 11 mm
in an anteroposterior direction

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3
Q

knock-knee

A

Genu valgum

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4
Q

OPP

A

25 degrees
flexion

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5
Q

Modified hinge joint

A

Tibiofemoral Joint

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6
Q

● Collaterals

A

○ MCL
○ LCL

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7
Q

● Patellofemoral angle
● Angle formed between
the quadriceps muscle
and the patellar tendon

A

Q-angle

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8
Q

● Normal Q-angle
○ Male -
○ Female -

A

● Normal Q-angle
○ Male - 13°
○ Female - 18°

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9
Q

● SPL from medial tibial plateau to
lateral femoral condyle

● Weakest ligament of knee
● Prevents: anterior translation of
the tibia on the femur
● MOI: hyperextension, rotation

A

Anterior Cruciate Ligament

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10
Q

Cruciates

A

○ ACL
○ PCL

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11
Q

more
weightbearing)

A

Medial tibiofemoral

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12
Q

● Ossification of MCL:

A

Pellegrini Stieda Disease

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13
Q

Capsular pattern:

A

Flexion > Extension

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14
Q

● Fibular Collateral
Ligament
● Slack in 90 degrees
flexion
● Taut in extension + ER
● Prevents = Varus force/
adduction

A

Lateral Collateral Ligament

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15
Q

Normally, when the
knee moves into
extension, the___________________________
on the fixed femur

A

tibia
laterally rotates about
20°

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16
Q

(N) position of the
knee:

A

Genu valgus 6
degrees

17
Q

● Modified joint
● Functions:
○ Leverage
○ Protection

A

Patellofemoral Joint

18
Q

deepest
muscle of back of knee

A

popliteus

19
Q

CPP:

A

Full extension +
ER

20
Q

○ Larger
○ Longer

A

Medial Condyle

21
Q

● attached to the tibial plateau via
its anterior horn and posterior
horn.
● definitive crescent “C” shape
● less variability with size and
thickness, and covers a smaller
part of the tibial plateau
● attached to lateral meniscus by
transverse ligament and patella
directly or by anterior capsular
thickenings called
patellomeniscal ligaments

A

Medial Meniscus

22
Q

● almost circular and covers a
larger portion of the tibial
articular surface
● no attachment of the lateral
meniscus to the lateral collateral
ligament (LCL)
○ peripheral attachment is
interrupted posteriorly to
where the popliteal tendon
passes

A

Lateral Meniscus

23
Q
A
24
Q

The odd facet does not
come into contact with
the femoral condyles
until at least ________ is reached.

A

135° of
flexion

25
Q

Posterior Cruciate Ligament
● Slack: Extension
● Taut: Flexion

A

● Slack: Extension
● Taut: Flexion

26
Q

What are the Triad of O’Donoghue

A

● Anterior Cruciate
Ligament
● Medial Collateral
Ligament
● **Medial meniscus

27
Q

● Tibial Collateral Ligament
● Slack in 90 degrees
flexion
● Taut: in extension + ER
● Prevents Valgus force/
abduction

● Swimmer’s knee( MCL)

A

Medial Collateral Ligament

28
Q

more synovium

A

Lateral tibiofemoral

29
Q

Anterior Cruciate Ligament
● Slack =
● Taut =

A

● Slack = 30-60 degrees flexion
● Taut = Extension/ IR

30
Q

SAM from lateral tibial
plateau to medial femoral
condyle
● Strongest ligament in the
knee

● Prevents: posterior
translation of tibia on femur
● MOI: Dashboard,
hyperflexion

A

Posterior Cruciate Ligament

31
Q

● connect the inferior edges
of the menisci to the of the
tibial plateau
● support rotational stability
of the knee and prevent
anterior tibial translation
● Medial meniscus to the tibia

A

Coronary/Meniscal Ligament

32
Q

High, Camel Sign
(prominence of
infrapatellar bursa)

A

Alta

33
Q

Other name for Coronary/Meniscal Ligament

A

Meniscotibial
Ligaments

34
Q

bowleg

A

Genu varum

35
Q

● Sesamoid bone
● Diamond shaped
● Increases leverage power
by 35% of quads
● It has five facets, or ridges:
superior, inferior, lateral,
medial, and odd.

A

Patella

36
Q

○ More anterior

A

Lateral Condyle