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			You always want to 1) look athletic and 2) "move with a purpose" - backpeddling (unless you're a football defensive back) accomplishes neither.  To the trained eye it just looks absolutely silly/horrible.
 Then there's the whole "You'll do it until your first tumble" argument, which is what personally worked for me back in intramurals in college.
 
			
			
			
			
			
			
			
			
			
			
				
			
			
			
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