Only you can answer that question! But if you feel you need support, guidance and expertise to help improve the fitness and wellbeing of your child, then yes you probably do need a to work with a specialised trainer and coach. But, before committing to a trainer ensure they are fully qualified, registered with Fitness Australia, preferably NDIS registered and that you and your child have good rapport with them. Ask to meet them, chat about their experience and how they can help you and your child. Don’t be afraid to ask questions.