Body fat %

How accurate is the infra red system in determining body fat percentage? What is the ideal percentage for a sprinter? I feel mine is fine but I’m still curious.

http://www.charliefrancis.com/board/philboard_read.asp?id=1630

http://www.charliefrancis.com/board/philboard_read.asp?id=855

http://www.charliefrancis.com/community/viewthread.php?tid=20