The training effect of concentrative coordination exercise on academic-related motor functions of children with ADHD

INTERVENTION: Children will be recruited and randomly assigned (using randomizer.org) to on‐site table tennis (n=20), a table tennis exergame (n=20), or a control group (n=20). The table tennis training is provided either by a coach or a ball‐projection machine in the on‐site group. In the exergaming table tennis group the intervention is Nintendo Wii Sport providing coordination exercise to train the concentration of the children with ADHD. The control group receives their regular treatment for the symptoms of ADHD. The intervention lasts 12 weeks with three 1‐hour sessions per week. CONDITION: Attention deficit hyperactivity disorder (ADHD) ; Mental and Behavioural Disorders ; Disturbance of activity and attention PRIMARY OUTCOME: Handwriting performance measured using a self‐developed computer program for automation level and response time at baseline and 12 weeks SECONDARY OUTCOME: Executive functions measured using the Stroop test and Wisconsin Card Sorting Test (WCST) at baseline and 12 weeks INCLUSION CRITERIA: 1. Meet the criteria of DSM‐V for ADHD 2. Handwriting deficits confirmed by the administration of the Chinese Handwriting Evaluation Form (CHEF). According to the test manual, the cut‐off criterion for the identification of handwriting deficit was two or more of the six dimensions with a median larger than, or equal to, 3