|
Atlas and axis are joined by |
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|
a) |
Hinge joint |
b) |
Pivot joint |
c) |
Saddle joint |
d) |
None of these |
|
Atlas and axis are joined by |
|||||||
|
a) |
Hinge joint |
b) |
Pivot joint |
c) |
Saddle joint |
d) |
None of these |
(b)
Atlas and axis are joined by pivot joint. It is also known as rotatoria (rotatory joint). Pivot joint fixes one of the two bones in its place and bear a peg like process over, which the other bone rotates.