Science Fair Project Encyclopedia
Jumping Jack
A Jumping Jack is a physical exercise performed by jumping to a position with the legs spread wide and the hands touching overhead and then returning to a position with the feet together and the arms at the sides. The term can also refer to a toy figure with jointed limbs that can be made to dance by pulling an attached string.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details