Favorite excersie machine??
			 
			 
			
		
		
		
			
			Ok, so last night at the gym, I used a funky stairclimber.  It had foot pads that slide up and down on a set of rails.  It was hard to maintain my balance and today my knees are achy.  My family has a history of arthritis, so I try to do low or no impact cardio to preserve my joints.  I can walk on treadmill for hours and feel ok, but I don't want to do the same thing every day.  Does anyone have any ideas on good cardio machines?????
		 
		
		
		
		
		
		
			
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