Joints

Question 1

Pivot joint: actions?

Answer 1

limited to rotation

Question 2

Pivot joint: example on the body?

Answer 2

The finger-like dens of the axis (C2) rotates in a collar formed by the anterior arch of the atlas (C1)

Question 3

Pivot joint: a ring of what? rotates around ?

Answer 3

a ring of bone rotates around a process of another bone

Question 4

Gliding joint: actions?

Answer 4

gliding and sliding

Question 5

Gliding joint: examples on the body?

Answer 5

acromioclavicular joint

Question 6

gliding joint: characteristics?
(what it is)

Answer 6

two opposed flat surfaces of bone glide across one another

Question 7

Ball and socket: shaped like? moves within?

Answer 7

a ball moves within the socket of another

Question 8

ball and socket: actions?

Answer 8

flexion, extension, rotation, circumduction, , abduction, adduction, and medial, and lateral

Question 9

Ball and socket: examples on the body?

Answer 9

shoulder and the hip

Question 10

saddle joint: characteristics (what it is)

Answer 10

the opposing surfaces of the bones are shaped like a saddle where they articulate

Question 11

Saddle joint: actions?

Answer 11

elbow and ankle only.

Question 12

saddle joint: examples on the body?

Answer 12

carpometacarpal joint (the thumb)

Question 13

Elipsoid joint: characteristics? (what is it)

Answer 13

Has two axes at right angles to each other and oval shaped surface fits into the oval-shaped cavity

Question 14

elipsoid joint: actions?

Answer 14

Actions: flexion, extension, abduction, abduction, and circumduction.

Question 15

elipsoid joint: examples on the body?

Answer 15

radiocarpal wrist joint