Muscles in the hand and armJanuary 23 2009 at 9:28 AM
SAGF Members 2006
Response to When you skip a rock...
I would say to skip a rock the arm moves the hand and the hand skips. I would say that the rock must be placed in the hand to use it as a lever and the arm moves that lever.
- If.... - Peter on Jan 23, 2009, 12:02 PM