Superhuman is a video series found on the Nat Geo that channel covers everything form sueprhuman abilities to the science behind them. Here are the first 3 parts with some very recognizable strongmen, powerlifters and the alike.
http://www.youtube.com/watch?v=eH5C3im5ygM
http://www.youtube.com/watch?v=D71B7OsYAbk
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