Usain Bolt push Bolt to do longer sprinting distances with the aim of making the 400 m event his primary event by 2007 or 2008. Bolt was less enthusiastic, and demanded that he feel comfortable in his sprinting. He suffered another hamstring injury in March 2006, forcing him to withdraw from the 2006 Commonwealth Games in Melbourne, and he did not return to track events until May. After his recovery, Bolt was given new training exercises to improve flexibility, and the plans to move him up to the 400 m event were put on hold. The 200 m remained Bolt's primary event
Usain Bolt sign of the cross before racing competitively, and he wears a Miraculous Medal during his races. His middle name is St. Leo. In 2010, Bolt also revealed his fondness of music, when he played a reggae DJ set to a crowd in Paris. He is also an avid fan of the "Call of Duty" video game series, saying, "I stay up late [playing the game online], I can't help it." In his autobiography, Bolt reveals that he has suffered from scoliosis, a condition that has curved his spine to the right and has made his right leg half an inch