I believe my almost 3 yr old to be tactile defensive, and he does a LOT of touching on new people. Especially hands on with other kids. If the other child seems to be getting upset or confused as to why my son does this, I simply explain it's his way of greeting others. And should be taken as a compliment, because he likes them and wants to get to know them. I also explain if they wish him to stop, to have me get him instead of trying to push him away.
Usually when proprioceptive dysfunction is explained the symptoms described are those of proprioceptive undersensitivity: bashing into things, crashing,
Since I was a toddler, I've struggled with sensory overwhelm. Namely, my mum tells me I refused to wear shoes at around 1,2 and 3 because I didn't like
MY 3 yr old son will put balls in his shirt and play. As soon as he realizes I am watching him he runs and hides. He is VERY persistent about me leaving