"After all, you might get someone who has a fantastic physique who is a terrible communicator – they will not get on in the fitness industry. Then what if you have someone who can inspire others to get healthier with a brilliant attitude, but they’re overweight - isn’t that more important than the way that they look? The industry is rife with twenty-something PTs who have completed a six-week course. A 50-year-old with 20 years' experience offers hard-won expertise and knowledge, so gyms need to have a diverse workforce to ensure they cater for every size, shape and age group.”