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T1 Anatomy > Intro To Arthrology > Flashcards

Intro To Arthrology Flashcards

1
Q

Uniaxial:
Biaxial:
Multiaxial:

A

Axis of movement:

  • one
  • two
  • multiple
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2
Q

Types of joints:

A
  1. Fibrous -
  2. Sutures
  3. Syndesmosis
  4. Cartilaginous
  5. Synovial
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3
Q

Fibrous joint:

A

The degree of movement at joint is determined by the amount of fibrous tissue between the two joint surfaces

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4
Q

Sutures:

A

Skull plates. Limited movement after 2+ years

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5
Q

Syndesmosis joint:

A

Bones connected by sheet of fibrous tissue.

Ex. Forearm bones

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6
Q

Cartilaginous joint:

A

Connected by cartilage or combo w/fibrous tissue.
Ex. Ribs to breastbone

Vertebrae are connected by fibrocartilagenous intervertebral discs

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7
Q

Synovial Joint:

A

3 features:

  1. Articular cartilage
  2. Joint capsule
  3. Joint cavity
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8
Q

Articular cavity of synovial joints:

A
  • whitish CT
  • protects inferior bone
  • absorbs shock
  • no nerves or blood
  • hyaline cartilage
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9
Q

Synovial joint capsule:

A
  • surrounds and lines the joint
  • makes synovial fluid within joint
  • minimizes friction between joints
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10
Q

Synovial joint cavity:

A

Space between two joint surfaces

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11
Q

6 types of synovial joint:

  1. Condyloid
A
  • biaxial
  • flexión/extensión
  • abduction/addiction

Ex. Knuckles

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12
Q

6 types of synovial joint:

  1. Saddle
A
  • biaxial
  • concave/convex articulate together

Ex. Thumb

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13
Q

6 types of synovial joint:

  1. Ball and socket
A
  • multiaxial

Ex. Hip

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14
Q

6 types of synovial joint:

  1. Plane
A
  • gliding/sliding movements
  • flat surfaces
  • uniaxial

Ex. Foot/hand

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15
Q

6 types of synovial joint:

  1. Pivot
A
  • uniaxial
  • rotation

Ex. C1-C2 - Atlas/Axis

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16
Q

6 types of synovial joint:

  1. Hinge
A
  • uniaxial
  • flexión/extensión

Ex. Humeroulnar joint

17
Q

Modified hinge joints:

A

Jaw and knee b/c they have slight added movements

18
Q

Bursa

A

Flat sacs filled with synovial fluid-decrease friction of tissue on tissue.

19
Q

Bursa is Located between:

A
  • tendons/bony prominence
  • tendons/tendons
  • bone/overlying skin
20
Q

Bursa of the pelvis:

A
  1. trochanteric bursae
  2. ischiogluteal bursa
  3. Iliopectineal bursa
21
Q

Location of Trochanteric Bursae

A

Superficial: between gluteus Maximus and greater trochanter

Deep: between gluteus media’s and greater trochanter

22
Q

Location of Ischiogluteal bursa:

A

Overlying is ischial tuberocity

“Weavers bottom”

23
Q

Location of the iliopectineal bursa:

A

Between iliopsoas muscle and iliopubis eminence

24
Q

Joint: Close-packed position

A
  • flexión/external rotation/abduction
  • ligaments and capsule are tight
  • maximal articular surfaces
  • increased stability/decreased mobility
25
Q

Joint: loose-packed position

A
  • flexión/external rotation/abduction
  • ligaments/capsule loose
  • maximal space/movement
  • increased mobility/decreased stability
26
Q

Hip Joint (coxafemoral)

A
  • head of femur articulates in acetabulum
  • synovial
  • multiaxial
  • ball/socket
27
Q

Head of femur projects:

A

Medially-superiorly-anteriorly

28
Q

Acetabulum projects:

A

Laterally-inferiorly-anteriorly

29
Q

Ligaments around the hip joint:

A
  1. Iliofemoral (Y ligament)
  2. Pubofemotal
  3. Isciofemoral4.
30
Q

Iliofemoral (Y) ligament

A
  • AIIS, acetabular rim - intertrochanteric lone of femur

- checks extension, abduction, lateral rotation

31
Q

Pubofemotal ligament

A

Superior pubic ramus - iliofemoral ligament

  • checks abduction
32
Q

Ischiofemoral ligament:

A
  • ischial part of acetabular rim - femoral neck and medial greater trochanter
  • checks hyerextension
33
Q

Purpose of a ligament:

A
  1. To connect bone to bone
  2. To check a movement and prevent excessive movement
    “Seatbelt” effect
  3. Protect from injury

T1 Anatomy (3 decks)

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