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Joints 2 Flashcards

Synovial Joints (12 cards)

1
Q

Pivot (syn) Jt

A

rounded end of one bone protrudes into a “sleeve” or ring, composed of bone (and possibly ligaments) of another

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2
Q

Pivot joint is what kind of movement in the plan?

A

only uniaxial movement aloowed

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3
Q

Give me an example of a pivot jt?

A

joint between the atlas (C1) and axis (C2 dens), and the proximal radioulnar joint

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4
Q

Condyloid Joint (syn) or Ellipsoidal JTs

A

Oval articular surface of one bone fits into a complementary depression in another

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5
Q

What do condyloid joints permit and what plane movement?

A

Biaxial joints permit all angular movement

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6
Q

Radiocarpal(wrists) joints

metacarpophalangeal (knuckle) joints are both examples of what joint in synovial family?

A

Condyloid JT

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7
Q

Saddle Joints

A

similar to condyloid joints but allow greater movement

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8
Q

What kind of articular surface does saddle joints have?

A

Each articular surface has both a concave and a convex surface

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9
Q

Example of Saddle Joint

A

carpometacarpal joint of the thumb

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10
Q

Ball and Socket Joint

A

a spherical or hemispherical head of one bone articulates with a cup like socket of another

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11
Q

Movement of Socket Joint permuted by what plane movement?

A

Mulitaxial joints permit the most freely moving synovial joints

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12
Q

Shoulder and hip joints are example of what joint

A

ball and socket joint

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