CHILDHOOD ADHD children may have both gross and fine motor hyperactivity, kicking their feet, drumming with their fingers, twisting in their seats and rushing ...

https://books.google.pl/books?id=BjUHwU7JYLAC&pg=PA17&lpg=PA...

hyperactivity disorders—shortened CSP as evidence for inhibitory deficits ... of motor processes (pattern related in TD and general motor hyperactivity in ADHD).

https://books.google.pl/books?id=QHzN3kWklGgC&pg=PA131&lpg=P...

http://onlinelibrary.wiley.com/doi/10.1111/j.1748-1716.1957....
Motor Hyperactivity Resulting in Diameter Decrease of Peripheral Nerves1

[...]
CHILDHOOD ADHD children may have both gross and fine motor hyperactivity, kicking their feet, drumming with their fingers, twisting in their seats and rushing ...

https://books.google.pl/books?id=BjUHwU7JYLAC&pg=PA17&lpg=PA...

[...]
The second edition of the DSM included a syndrome of the Hyperkinetic Reaction of Childhood to emphasize the belief that motor hyperactivity is the core ...
https://books.google.pl/books?id=q3sqjg8j7P8C&pg=PA378&lpg=P...

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Note added at   1 godz. (2016-05-02 17:32:45 GMT)
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Hyperactivity means having increased movement, impulsive actions, and a shorter attention span, and being easily distracted.
Considerations

Hyperactive behavior usually refers to constant activity, being easily distracted, impulsiveness, inability to concentrate, aggressiveness, and similar behaviors.

Typical behaviors may include:

Fidgeting or constant moving
Wandering
Talking too much
Difficulty participating in quiet activities (such as reading)