From competing at the Olympics before even getting her GCSE results to winning a medal at her first world championships, Team GB’s Abi Martin has had a whirlwind year. She tells Flo Clifford about fighting back from injury and mental block to scale new heights – and what’s next
‘It feels a bit surreal still’: Teenage British gymnast Abi Martin on ‘insane’ world medal and stunning breakout year … from the Independent Flo Clifford