class="YtLlr aHS+3 V-v0y fm7dv _8teMo _5pKBM" data-component="Text">Three times a week Debbie Craig, 60, ties on her gym shoes and for one hour sweats her way through a crossfit workout with about 30 other gym junkies all over the age of 55. Rockhampton gym owner Sean O'Neill said he had seen a generational shift when it came to seniors taking an interest in challenging fitness programs. This service may include material from Agence France-Presse (AFP), APTN, Reuters, AAP, CNN and the BBC World Service which is copyright and cannot be reproduced