Bellamy has a history of serious knee injuries and has undergone knee reconstruction and career-saving surgery from renowned American knee specialist Dr Richard Steadman.
Prior to working with Verheijen, Bellamy had never managed to play 15 consecutive games in 12 seasons as a professional, but during the 2009/2010 campaign, the Welshman played a combined 42 games for City and Wales.
In October, Bellamy was effusive in his praise for Verheijen's approach, telling the Feyenoord Fan magazine last month: "Thanks to Raymond, I only train 50% of what I used to train in the past, but now I train at 120mph.
"As a result, I have never felt better before. Last season, in the Premier League, I was in the top three players with the highest work-rate.
"That's why I have asked Raymond to join me at whatever club I would go. He's with me at Cardiff two days per week to develop my individual periodisation.
"I pay for his services myself which proves that for me being top fit is more important than money."
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