I'm constantly bumping into things and I often have scrapes and bumps and bruises on my body but can't remember how they got there. It's the same for my kids and it's all to do with spatial awareness. Spatial awareness, which is often also referred to as motor clumsiness is the ability to think about a figure, usually your own body, in three dimensions. Specifically it's about doing the mental calculations required to move your body through spaces without hitting other objects (unless you're hitting them on purpose, as in bat and ball games). It's not always about your body though because sometimes it's about other moving objects, like catching a ball for instance, or "extended parts" of your body, such as when moving furniture from one room to another without bumping into walls. A lack of spacial awareness isn't one on of the defining criteria for autism and indeed I've seen some children on the spectrum with amazing ball cont...