Due to an accident on the playground, kayleigh wears a cast to immobilize her elbow. what functional class of joint does this immobilization resemble

The answer to this question would be: synarthrosis

There are 3 kinds of join classification based on the range of motion of the joint. Diarthrosis would be joint with the highest mobility, amphiarthrosis offers lesser mobility and synarthrosis offer very little movement.

The immobilization is trying to minimalize the movement so the answer should be synarthrosis. The example of synarthrosis join would be the suture in skull