means attention deficit hyperactive disorder. child with ADHD have two major issue hyperactivity(over active when compared with other childrens, poor sitting tolerance for academics), lacks attention and concentration(short attention span).
this issues affects his academics which need good attention and sitting tolerance.
ADHD children are normal in all activities except academics, lacks motivation and interest towards studies.
consult your occupational therapist who can give you clear ideas and treatment plan.
suggestion: energy channeling activities(let him sweat by physical activities or exercise)
put him in swimming, skating.