The Fastest Man Who Has Ever Lived BBC ONE 1215-1315 BST; Saturday 5 June (rpt)
By Michael Johnson
Former 200m and 400m Olympic champion
While filming 'The Fastest Man Who Has Ever Lived' I got to spend time with Usain Bolt in Jamaica. We had met briefly on a few occasions but this was an opportunity to really get to know each other.
I was worried he may be a little cagey about speaking but it was surprisingly easy to get him to open up. I think a combination of things helped him relax.
We were at his practice track, where he was in his element with familiar faces, and there was also a curiosity on his part too. He had questions he wanted to ask me. As opposed to it being an interview it ended up being more of a conversation.
I can see he has a set of gifts no one else has
Usain told me he was focused on defending his world and Olympic titles, which I think is a very mature approach on his part. He said he felt like he had not established himself, in terms of winning championships, in the way Carl Lewis or I did.
It was quite clear that he is over trying to run faster and faster each time he steps out on the track. It's not really the driving force for him anymore because he has already broken so many records.
He has already run so much faster than anyone in history and he doesn't need to go quicker to keep beating the other athletes.
The only way I see him losing to Tyson Gay or Asafa Powell is if Usain were to suffer from an injury, illness or if he just stops training.
Usain is in control - Tyson and Asafa are not. Those guys are in a very difficult position where they don't control their own destiny. No matter what they do, they cannot beat him unless he allows it by stepping onto the track unprepared.
Having watched Usain train up close and analysed his races I can see that he has a set of gifts that no one else has: an incredibly long stride combined with the ability to execute a race like a shorter sprinter - generating the same explosive power. That combination makes him so much faster than the rest of the field.
Bolt and Spearmon share a joke
But he could go faster and in the film I break down exactly how he can do this.
At my performance centre in the States we help athletes reach their full potential by focusing on improved biomechanics which can increase power and, as a result, speed.
One of the biggest issues we saw when analysing Usain was his lack of lateral stability. As a result you see a lot of rocking from side to side which means some wasted motion.
If he were to clean that up by strengthening his lateral stability in the torso area and in his hips then that would minimise, if not completely eliminate, a lot of that motion.
The wasted motion causes a chain reaction that goes down through the body and creates several inefficiencies in the entire system. Analysing his technique in slow motion, as incredible as it may sound, shows some flaws that are glaring.
Replay - Record-breaking Bolt wins world 100m gold in 2009
After his training session, Usain wanted to know about the 400 metres. Interestingly he didn't talk about himself; instead he wanted to talk about Jeremy Wariner, who I represent, and LaShawn Merritt.
I was a little surprised in his interest in the 400, mainly because his questions were from the viewpoint of a spectator.
He had clearly taken a special interest in watching the races and had a good knowledge of the event. He told me he didn't think either Jeremy or LaShawn could break my world record because he felt they were lacking the speed to do it.
Since our day together in Jamaica, Usain has gone on to record some great split times in 4x400m and 4x100m relays.
But what was most impressive was the 19.56-second 200m he ran at the beginning of May - the fourth fastest ever.
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