Joints 2

Question 1

Pivot (syn) Jt

Answer 1

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

Question 2

Pivot joint is what kind of movement in the plan?

Answer 2

only uniaxial movement aloowed

Question 3

Give me an example of a pivot jt?

Answer 3

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

Question 4

Condyloid Joint (syn) or Ellipsoidal JTs

Answer 4

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

Question 5

What do condyloid joints permit and what plane movement?

Answer 5

Biaxial joints permit all angular movement

Question 6

Radiocarpal(wrists) joints

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

Answer 6

Condyloid JT

Question 7

Saddle Joints

Answer 7

similar to condyloid joints but allow greater movement

Question 8

What kind of articular surface does saddle joints have?

Answer 8

Each articular surface has both a concave and a convex surface

Question 9

Example of Saddle Joint

Answer 9

carpometacarpal joint of the thumb

Question 10

Ball and Socket Joint

Answer 10

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

Question 11

Movement of Socket Joint permuted by what plane movement?

Answer 11

Mulitaxial joints permit the most freely moving synovial joints

Question 12

Shoulder and hip joints are example of what joint

Answer 12

ball and socket joint