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CAPS 391 > Lecture 7. Joints part 2 > Flashcards

Lecture 7. Joints part 2 Flashcards

1
Q

What is the glenoid labrium?

A

It is a fibrocartilage ring attached to articular surfaces to increase their congruency

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2
Q

What are the ligaments supporting the glenoid-humoral joints/ adding stability

A

glenohumeral ligament

coracohumeral ligament

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3
Q

What ligaments are close to the glenoid-humoral joint but does not stabilize it ?

A

coracoclavicular ligaments
coraco-acromial ligament
acromioclavicular ligament

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4
Q

What is the function of the subdeltoid bursa?

A

bursae are small sacks of connective tissue separating the moving structures around the joints. the bursae are lined by a synovial membrane and filled with synovial fluid

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5
Q

What are thicken parts of the articular capsule called?

A

intrinsic ligament - indicates that the ligament is part of teh capsule you cannot see the ligament separate from the capsule.

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6
Q

What are the intrinsic ligaments in the glenohemerous region called

A

glenohumeral ligament

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7
Q

What are the extrinsic ligaments in the glenohemerous region called

A

coracohumeral ligament – you see this ligament separate from the articular capsule

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8
Q

What are intrinsic ligaments

A

ligaments that cannot be separated from the articular capsule

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9
Q

What are extrinsic ligaments

A

ligaments that can be separated from the articular capsule.

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10
Q

Describe the joint at the elbow

A
  • can perform flexion and extension
  • uniaxial
  • hinge synovial joint
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11
Q

What are the ligaments present at the elbow

A
  • ulnar collateral ligament
  • annular ligament
  • radial/lateral collateral ligament
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12
Q

What is the function of the ulnar collateral ligaments

A

provides stability at the medial side of the elbow

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13
Q

What is the function/description of the annular ligament.

A

it is an almost complete circle holding the head of the radius close to the ulna. It stabilizes the proximal radioulnar joint.

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14
Q

Describe the radial/lateral collateral ligament

A

it blends with the annular ligament - radial collateral ligament stabilizes the lateral end – it is not very well developed before 10 years of age

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15
Q

What kind of joint is the ulnar collateral ligament

A

pivot, monoaxial synovial joint

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16
Q

What are the 2 main components of the wrist

A
  1. radio-carpal joint ( a condyloid joint - biaxial synovial joint)
  2. midcarpal joint
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17
Q

What is the joint formed between the distal end of the radius and the ulnar

A

distal radio-ulnar joint

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18
Q

What kind of joint is the distal radio-ulnar joint

A

synovial pivot joint

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19
Q

What separates the distal radio-ulnar joint from the radio-carpal joint

A

a articular disc ( which is fibrocartilaginous)

20
Q

Does the ulnar have a direct articulation with the carpals

A

NO! They are separated by the articular disc

21
Q

Where is the mid-carpal joint

A

It is the joint between the proximal and distal carpal bones

22
Q

What are the intercarpal joints

A

They are the joints between the individual carpal bones ( either distal-distal or proximal-proximal)

23
Q

Where are the carpo-metacarpal joints

A

located between the carpals and the metacarpals

24
Q

What kind of joint is the radio-carpal joint?

A

condylar joint ( synovial biaxial joint)

25
Q

What kind of joint is the mid-carpal joint?

A

synoivial planar joints

26
Q

What kind of joint is the inter-carpal joint?

A

synovial planar joints

27
Q

What type of ligaments are present at the wrist (intrinsic/extrinsic)

A

all intrinsic ligaments

28
Q

Name all the types of ligaments at the wrist

A
  1. intercarpal ligaments ( can be prox-proxi , proxi-distal, distal-distal connections)
  2. carpometacarpal ligaments
  3. interosseous metacarpal ligaments
  4. ulnar collateral ligaments
  5. radial collateral ligaments
29
Q

What are the ligaments that can be found at the hip area ( anterior view)

A
  1. pubofemoral ligament (pubic to femur)

2. iliofemoral ligament (iliac to femur)

30
Q

What joint is found at the pelvic girdle (by the hip)

A

synovial multiaxial ball and socket

31
Q

What are the ligaments that can be found at the hip area ( posterior view)

A
  1. iliofemoral ligament ( also seen in anterior view)

2. ischiofemoral ligament

32
Q

Classify the following ligaments as intrinsic or extrinsic:

  1. pubofemoral ligament
  2. iliofemoral ligament
  3. ischiofemoral ligament
A

all intrinsics

33
Q

Why does abduction of the femur result in more stability in the joint

A

stretched ligament brings articular surfaces closer together , brings more stability

34
Q

What movements make the hip-femoral joint unstable

A
  1. adduction
  2. medial rotation
  3. flexion
35
Q

What is the acetebulum surrounded with

A
  1. acetabular labrum: adds to depth

2. transverse acteabular ligament: covers the notch at inferior part of the acetabulum

36
Q

What does the ligament of the femoral head ( AKA round ligament ) associated with

A

It associates with the head of femur and the head. It is a extrinsic ligament

37
Q

What is the function of the round ligament ( AKA the ligament of the femoral head)

A

carries an artery that supplies blood to the head of the filament

38
Q

What are the ligaments found at the joint between the femur and the tibia

A
  1. posterior cruciate ligament

2. anterior cruciate ligament

39
Q

What is the function of the anterior and posterior cruciate ligament respectively

A

provides anterior and posterior stability at the knee joints - prevent excess movement in the anterior and posterior direction

40
Q

Describe the posterior cruciate ligament

A

PAIn
P: posterior cruciate ligament
A: moves anteriorly ( direction of the ligament)
In: internal condyle ( means the medial condyle)

41
Q

Describe the anterior cruciate ligament

A

APEx
A: anterior cruciate ligament
P: moves posterior
Ex: external condyle ( so lateral end )

42
Q

What is the function of the meniscus

A

incomplete fibrocartilage rings attached to the articular surfaces to increase their congruency

43
Q

What are the 2 meniscus that are present at the tibia and knee joint

A
  1. lateral meniscus

2. medial meniscus

44
Q

What are the 2 ligaments by the knee-joints that provide side to side stability

A
  1. tibial collateral ligament

2. fibular collateral ligament

45
Q

What are the ligaments found by the ankle

A
  1. medial (deltoid) ligament

2. lateral ligament

CAPS 391 (33 decks)

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