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Anatomy exam 3 > Articulations in depth > Flashcards

Articulations in depth Flashcards

1
Q

what helps stabilize the acetabulofemoral joint

A

strong ligaments, strong joint capsule and powerful muscles

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2
Q

what does the acetabulofemoral joint consist of

A

head of femur
acetabulum

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3
Q

this deepens the concavity of the acetabulum and helps stabilize the acetabulofemoral joint

A

fibrocartilage acetabular labrum
(deep hip pain usually in front when injured)

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4
Q

contains a small artery that supplies some of the blood to the head of the femur

A

ligament of the head of the femur (ligamentum teres)

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5
Q

these support the joint capsule and contain arteries that supply most of the boold to the neck and head of the remur

A

retinacular fibers
(usually injured when you dislocate your hip)

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6
Q

what 2 articulations are in the knee joint

A

tibiofemoral joint
patellofemoral joint

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7
Q

what kind of joint is the patellofemoral joint of the knee

A

gliding (plane) joint

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8
Q

where does the patella articulate with the femur

A

trochlea (patellar surface) of the femur

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9
Q

Quadriceps tendon

A

inserts onto the patella, which is embedded in this tendon

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10
Q

Patellar Ligament/Tendon

A

extends inferiorly from the patella and attaches to the tibial tuberosity

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11
Q

what is the tibiofemoral joint stabilized by medially and latteraly?

A

Medial collateral ligament (MCL)
Lateral collateral ligament (LCL)

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12
Q

Is the LCL attached to the meniscus

A

no
only the MCL

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13
Q

Varus

A

bow legged position/displacement

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14
Q

Valgus

A

Knock Knee position/displacement

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15
Q

what prevents varus displacement of the knee

A

lateral collateral ligament (LCL)

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16
Q

what is a varus stress test

A

it tests the integrity of the LCL

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17
Q

what prevents valgus displacement of the knee

A

Medial collateral ligament (MCL)

18
Q

valgus stress test

A

test the integrity of the MCL

19
Q

what can also tears when you tear your MCL

A

medial meniscus

20
Q

these are c-shaped and made of fibrocartilage. They help stabilize the knee and play a very important role in dispersing forces placed on the articular cartilage

A

medial meniscus
Lateral meniscus

21
Q

how can you injure your menisci

A

twisting motions, especially with weight-bearing

22
Q

what is tight (taut) when the tibiofemoral joint is flexed

A

Posterior cruciate ligament (PCL)

23
Q

what is tight (taut) when the tibiofemoral joint is extended

A

Anterior cruciat ligament (ACL)

24
Q

how to most ACL injuries occur

A

when bones of the leg twist in opposite directions. Usually a cutting or pivoting motion

25
Q

Clinical testing for ACL tear

A

lachmans test
Anterior drawer test

26
Q

Clinical testing for PCL tear

A

Posterior Sag Test
Posterior drawer test

27
Q

autograft replacement

A

uses your own tissues, such as the middle portion of the patellar ligament

28
Q

allograft replacement

A

uses materials from another person (cadaver)

29
Q

what are the 2 bursae associated with the patella

A

prepatellar bursa (anterior to the patella)
Infrapatellar bursa (inferior to the patella)

30
Q

hinge joint formed by the medial and lateral malleoli and the talus

A

talocrural joint

31
Q

what is the talocrural joint surrounded by

A

articular capsule

32
Q

medial ligament on ankle

A

deltoid ligament

33
Q

lateral ligaments on ankle

A

posterior talofibular ligament
anterior talofibular ligament
calcaneofibular ligament

34
Q

what does an excessive inversion sprain of the ankle rupture

A

anterior talofibular ligament and the calcaneofibular ligament

35
Q

this can cause damage to the deltoid ligament on the medial side of the ankle

A

eversion of the ankle

36
Q

what can help reduce the incidence of of ankle sprains

A

high top athletic shoes

37
Q

these are often accomanied by bleeding and inflammation of the joint capsule

A

sprains

38
Q

what kind of joints are intertarsal joints

A

planar (gliding) joints

39
Q

what kind of joins are metatarsophalangeal joint

A

condyloid joints

40
Q

what kind of joints are interphalangeal joints

A

hinge joints

Anatomy exam 3 (6 decks)

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