is ther any module of how to draw a saddle joint asked to meritnation. com

Description of saddle joint is not there in there study material.

A saddle joint is a type of  joint present in our body only in thumb. A saddle joint allows movement back and forth and up and down, bot does not allow for rotation like a ball and socket joint.. Human thumb can easily cross over the palm of hand due to this joint. 

 Image of saddle joint is given here.