Girl Olympic swimmer spends hours daily practising at London baths . Miss Joyce Cooper , the world backstroke champion , who is one of Britains ' s representatives at this year ' s Olympic Gamies in Los Angeles , spends hours each day spartanly training for the games at a London swimming baths . Part of her training consists of practicing the arm stroke continuously , with one of her feet locked in the side rail of the bath . Miss Joyce Cooper practising the arm stroke during her daily training . 8 July 1932