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Joints Chapter 9 > Funtional Classification > Flashcards

Funtional Classification Flashcards

1
Q

Synarthrotic

A

Immovable joint

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2
Q

Amphiarthrotic

A

Slightly movable

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3
Q

Diarthroric

A

Freely movable

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4
Q

Synathrosis

A
  • Tough edges or interlock
  • May fuse over time
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5
Q

4 types of Synarthrosis

A

Suture - in the skull
Gomphosis - binds teeth in sockets
Synchondrosis - epiphysis, ribs to sternum
Synostosis - fused epiphysis

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6
Q

Amphiarthrosis

A
  • Slightly moveable
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7
Q

2 types of Amphiarthrosis

A
  1. Syndesmosis - ligamentous connection; connection between tibia and fibula
  2. Symphysis - pubic symphysis
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8
Q

Diarthrosis

A
  • Freely movable
  • Synovial joints
  • At the ends of long bones
  • Articulates capsules
  • Articulates cartilage = hyaline cartilage
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9
Q

Synovial Fluid

A
  • Provides lubrication
  • Shock absorbing
  • Nutrient transport
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10
Q

Accessory structures of a synovial joint

A

Meniscus, fat pads, ligaments, tendons, bursae

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11
Q

Meniscus

A

Fibrocartilage

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12
Q

Fat pads

A

Superficial to capsule

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13
Q

Where are tendons in the synovial joint?

A

Pass around it

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14
Q

Bursae

A

Pockets of synovial fluid (provides protection to the bone)

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15
Q

Luxation

A

Complete displacement of a joint

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16
Q

Subluxation

A

Partial displacement of a joint

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17
Q

What are the 3 types of movements at synovial joints?

A
  1. Gliding
  2. Angular motion
  3. Rotation
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18
Q

What is gliding?

A

Linear movement; carpal and tarsal bones

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19
Q

What are the 6 types of angular motion?

A
  1. Flexion
  2. Extension
  3. Hyperextension
  4. Abduction
  5. Adduction
  6. Circumduction
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20
Q

What are the 4 types of rotating motion?

A

Medial, lateral, pronation, and supination

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21
Q

Flexion

A

Reduces angle

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22
Q

Extension

A

Increases angle

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23
Q

Abduction

A

Moves away

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24
Q

Adduction

A

Moves toward

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25
Q

Circumduction

A

Circular, no rotation

26
Q

What are the unique movements?

A

Inversion, eversion, dorsiflexion, planter flexion

27
Q

Inversion

A

Twist soles of foot medially

28
Q

Eversion

A

Twists soles laterally

29
Q

Dorsiflexion

A

Lift toes

30
Q

Plantar flexion

A

Point toes

31
Q

Opposition

A

Thumb

32
Q

Protraction vs retraction

A

Jaw excursion

33
Q

Elevation vs depression

A

Shurg shoulders, open mouth

34
Q

Lateral flexion

A

Spine

35
Q

Hinge joint

A

Single plane

36
Q

What are examples of a hinge joint?

A

Elbow, knee, ankle

37
Q

Pivot joint

A

Rotation only

38
Q

What is an example of a pivot joint?

A

Atlas-axis joint

39
Q

Saddle joint

A

Biaxial

40
Q

What is an example of a saddle joint?

A

Thumb

41
Q

Ellipsoid joint

A

Biaxial

42
Q

What is an example of a ellipsoid joint?

A

Radiocarpal joint

43
Q

Ball and socket joint

A

Round articular faces

44
Q

What are examples of b & s joints?

A

Hip and shoulder

45
Q

What is a glenohumeral joint?

A

Shoulder

46
Q

What kind of joint is the elbow?

A

Humeroradial joint

47
Q

How is the elbow supported?

A

Supported by biceps, brachii, tendon, and elbow ligaments

48
Q

Flex

A

Bend forward

49
Q

Extend

A

Bends backwards

50
Q

Vertebral joints

A

Gliding joints between inferior and superior articular processes

51
Q

What joints are found in the vertebral joints?

A

Symphyseal joints (between the bodies) - IV discs

52
Q

What kind of hinge is the knee?

A

Complicated hinge

53
Q

What articulations are found in the knee?

A

2 articulations of the femur and tibia, 1 femoropatellar articulation

54
Q

How many ligaments are found in the knee?

A

7

55
Q

What does the medial and lateral meniscus do to the knee?

A

Locks knees

56
Q

What are the ligaments of the knee?

A

PCL, ACL, MCL, and LCL

57
Q

What does the PCL stand for?

A

Posterior cruciate ligament

58
Q

What does MCL stand for?

A

Medial collateral ligament

59
Q

What does LCL stand for?

A

Lateral collateral ligament

60
Q

What does ACL stand for?

A

Anterior cruciate ligament

61
Q

Gomphosis

A

Fibrous mobile peg-and-socket joint

62
Q

Metacarpohalangeal joint (MCP)

A

Proper term for knuckle

Joints Chapter 9 (7 decks)

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