Parents may mistakenly believe that their children get enough training at school and do not need extra physical activities, Irish rugby star Louise Galvin has been warned.
She said there are restrictions on playground games as well as limited or no PE sessions can leave many children at risk of not meeting the recommended 60-minute workout a day.
"It's often the PE hall in school that's the first to go if there is a concert or graduation going on," said Galvin, a former Kerry football player and Irish basketball international.
Ms. Galvin, a qualified physiotherapist and now doing a masters in sports and training products at Ulster University, said parents could think of basic ways to make their children active at home.
"It may mean dancing in front of the TV or a game of hiding.
"Instead of a trip to the cinema, they can take a trip and go indoors to something like trampolining if it's raining."
Ms. Galvin is an ambassador to the Irish Society of Chartered Physiotherapists who held their annual conference this weekend.
She said that children learn a lot more from sport, especially when it comes to mistakes and to be disappointed.
"They learn that it's ok to fail."
Sport also gives more balance to the young student's life and has great concentration benefits for studies, she added.
"Girls in sports have better self-esteem and more self-esteem," she added.