Delays in motor skills and general clumsiness are especially characteristic of Asperger Syndrome but are found in other forms of autism as well.
Autistic people are often oversensitive to sensory input.
This can cause them to be overwhelmed by common sensory experiences such as stores and swimming pools. Undersensitivity can also be a problem. Commonly there is a mix between oversensitivity and undersensitivity which may fluctuate randomly. Sensory issues are frequently the cause of negative or odd behaviours. A motor disorder which involves difficulty planning and carrying out motor movements as well as starting and stopping movements at will.