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LOCO > Joint structure and function > Flashcards

Joint structure and function Flashcards

1
Q

3 classifications of joint

A

Synovial, fibrous, cartilagenous

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2
Q

Features of fibrous joints

A

No synovial cavity. Articulating bones held by fibrous connective tissue

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3
Q

4 types of fibrous joints

A

Sutures, gomphosis, syndesmosis, synostosis

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4
Q

What is synostosis

A

An ossified suture (immovable)

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5
Q

What is syndesmosis

A

Sheet of fibrous tissue between bones

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6
Q

What is gomphosis

A

Cone shaped peg into socket

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7
Q

Features of cartilaginous joints

A

No synovial cavity

Articulating bones connected by fibrocartilage or hyaline

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8
Q

What is meant by synchrondosis?

A

Connected by hyaline

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9
Q

What is meant by symphysis?

A

Connected by fibrocartilage

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10
Q

Features of synovial joint?

A

Freely movable

Synovial joint cavity

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11
Q

What does an arthogram show

A

Joint cavity and interconnect bursae

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12
Q

Describe strucutre of articular cartilage

A

Hyaline cartilage
Elastic and resilient
Deeper layer merges via calcified layer with subchondral bone

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13
Q

Function of articular discs

A

Modifity shape of joint, maintain stability, direct flow of fluids to areas of greatest friction

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14
Q

Describe structure of articular capsule

A

Two layers
Outer fibrous layer
Inner synovial layer

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15
Q

Osteoarthritis=

A

Degeneration of the articular cartilage

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16
Q

Example of plantar joints and its movements

A

side-side, back and forth and gliding movements.

intercarpals/ intertarsals

17
Q

Example of hinge joints and movements

A

Flexion and extension

Elbow

18
Q

Pivot joint

A

Rotational

Atlas/ axis

19
Q

Condylar joint

A

Flexion/ extension, abduction/ adduction and circumduction

Carpals and radius

20
Q

Saddle joint

A

Flexion/ extension, ab/adduction, circumduction

Carpo-metacarpal thumb joint

21
Q

Ball and socket joint

A

Flexion/ extension, ab/adduction, circumduction

LOCO (9 decks)

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