Hyperkinetic is an adjective.
A Hyperkinetic Condition is health problems caused by doing too much physical activity.
hyperkinetic condiotions
hyperkinetic disease is paying kinect on xbox 360 and hypokinect is playing kinect on xbox 360 with friends
Hypokinetic conditions are due to a severe lack of exercise, whereas Hyperkinetic conditions are due to an excess of exercise.
heart disease
unspecified hyperkinetic syndrome
because it is caused by too much physical activity
Abnormal movements are broadly classified as either hyperkinetic--too much movement--and hypokinetic--too little movement
Hyperkinetic essentially means "over active." If you look in the links section of this answer you will find an URL to the Google search for the term and you will find many websites listed which offer information.
Robert D. Oades has written: 'Attention Deficit/Hyperactivity Disorder (Ad/hd) And the Hyperkinetic Syndrome (Hks)'
ADD, or hyperkinetic disorder, is characterized by procrastination, carelessness, distractibility, inability to focus on tasks, and failure to follow instructions. Symptoms frequently are reduced as the person ages, but ADD can sometimes persist into adulthood.