normal motion of the sacroiliac joints is a ?

A.hinge action
B.gliding action
C.rotation
D.slight flexture

my answer is d

kinda thinking it might be b

D is the best answer. See this:

http://www.youtube.com/watch?v=D6NTMgWCSaU

The normal motion of the sacroiliac joints involves a combination of several actions. These joints, which are located between the sacrum (the triangular bone at the base of the spine) and the ilium (part of the pelvis), allow for limited movement.

While the sacroiliac joints do not have a hinge action like the knee or elbow joints, they do have a gliding action, which allows for slight movement in multiple directions. Therefore, option B, gliding action, is a correct statement.

However, it is important to note that the sacroiliac joints also allow for a small amount of rotation and slight flexure. So, option C, rotation, and option D, slight flexure, can also be considered as part of the normal motion of these joints.

In conclusion, all of the options (A, B, C, D) can be partially correct when describing the normal motion of the sacroiliac joints.