Strictly Come Dancing star Dan Walker has taken to Instagram to reveal that he's undergoing painful-looking cupping therapy ahead of tonight's show.The star, who is partnered with professional dancer Nadiya Bychkova, told how the strain of dancing was amplifying his problems with his knee, which he confessed to having dislocated five times.In view of his 254,000 followers, the BBC Sports presenter gave an overview of his knee injuries in a post which has since been taken down.Dan wrote: "Watching the football after a spot of physio on my knee."Dislocated it 5 times during my [football] playing days and this dancing business is quite hard work."Addressing the man in the snap, the star revealed that it was his Strictly physio who was tending.
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