Sportshour

We're live in the French capital as the Games begin!One of the most popular Olympic disciplines is gymnastics. It requires artistic flair alongside core strength and amazing flexibility. So imagine having to compete with scoliosis, a condition that curves the back into unnatural positions. That's precisely the challenge Italian Marta Pagnini had to overcome in order to achieve her dream of competing at the Olympics, winning bronze in the Group All Around in 2012. Now retired Marta has been telling Sportshour's Caroline Barker about her gymnastics career and her continued battle with scoliosis. Kayla Harrison has always been a fighter, both inside and out of the sporting arena. The double Olympic gold medal winning judoka now completes in mixed martial arts in the UFC. Twelve years on from her first gold in London and just months after her debut in the UFC, Kayla has been reflecting on her career and the challenges she has had to face outside sport. She's been telling Sportshour's Joel Hammer how she now split