my two years old always sits in W position and he always puts everything in his mouth, I am very much worried he is two years old but he says only mumma ,nothing else he learnt to talk, what to do

A. it is important to prevent w position while sitting in case of children because it causes increased stress on the joints of the child and letter on the child mfay have improper walking as well as abnormal shape of the joints and wxalking deformity