Based on the 2006 book The Blind Side: Evolution of a Game by Michael Lewis, the film tells the story of Michael Oher, an American football offensive lineman who overcame an impoverished upbringing to play in the National Football League (NFL) with the help of his adoptive parents Sean and Leigh Anne Tuohy.
Tennis requires its players to have cardio-respiratory strength, so they won't feel so weak when playing tennis, and their lungs and heart can keep up with each other.
