***The first part of this interview discusses topics that some may find distressing***

At 6ft 4' and over 300 pounds, Welshwoman Rebecca Roberts is the current, and three times winner of the World's Strongest Woman Championship. But for Rebecca competing in displays of great strength is about more than just showing the world that healthy women can have body shapes of all types and sizes. For her the sport was her saviour, a way to boost her self esteem and self worth, and reclaim what had been so cruelly taken from her.

Britain's Emma Finucane did not just have to overcome the physical challenges to become an Olympic champion in Paris, she had to battle her way through the stigma of developing a body built for cycling, where legs are the engine and the muscles, something that does not fit with what a stereotype of what a woman's body should look like.

The global fitness industry is estimated to be worth more than $250 billion and growing. But with so much money at stake, not to mention the health of humanity, what is the best form of training and fitness? Dr Conor Heffernan from Ulster University has recently published his latest book, When Fitness Went Global: The Rise of Physical Culture in the Nineteenth Century. It is a book about the history of the fitness industry intertwined with his own fitness journey

At the Seoul Olympics of 1988 American sprinter Florence Griffith-Joyner became the first American woman to win four medals in a single games. She also broke the world record in the 200m to go along with her 100m record achieved earlier that same year. Both records still stand to this day! But Flo-Jo, as she was nicknamed, was also famous for her flamboyant nails and unique dress sense. In a rare interview, Flo-Jo's husband Al Joyner, remembers her achievements and premature death in 1998.

(Photo: Collectible illustrated tobacco or cigarette card, published in 1938 by Ardath Tobacco Company, depicting a woman demonstrating the two positions for side stretching. Credit: Nextrecord Archives/Getty Images)