Legendary Johnson shares video of recovery progress

London, Aug 31: Double Olympic champion Michael Johnson of America shared a startling video of his remarkable progress made since suffering a stroke 12 months ago.

Johnson, 51, shared a video on Twitter where he is seen struggling to walk in his first physical therapy session alongside a recent clip of him doing an agility ladders drill, a report by Daily Mail said.

"A year ago today I was unable to walk having suffered a stroke. Thanks to the mindset learned as an Olympian, 2 months later I was back running!" the athletics legend tweeted. 

Johnson held the record for fastest man in the world at 200m and 400m previously and is regarded as one of the greatest sprinters in the history of the sport.

After calling it a day from Olympic and world championship competition in 2008, Johnson went into sports commentary.