According to the Yahoo news report that the former "Incredible Hulk" actor Lou Ferrigno done several months of workout sessions with the "King of Pop"for his comeback concert tour.
That explained how Michael Jackson felt indebted to deaf people in general by asking the London concert promoter to make the arrangement for the "sign language choir" age from 5 to 13 inspired from the presence of Lou Ferrigno.
Here is the excrept from Associated Press report, 6/27 written by Beth Harris and Michael R. Blood -
Lou Ferrigno, the star of "The Incredible Hulk," said he had been working out with Jackson for the past several months. Still, Jackson's health had been known to be precarious in recent years, and one family friend said Friday that he had warned the entertainer's family about his use of painkillers.
Robert L. Mason (RLM)