5 is way too young but a 12 year old understands what a sport is.
That being said, I would never encourage my future kids to compete or even train MMA/boxing/kickboxing. Punches to the head is never good for you. These martial arts are mostly for people that don't want to do anything else in life and are willing to take the risk of future CTE/dementia.
That being said, I would never encourage my future kids to compete or even train MMA/boxing/kickboxing. Punches to the head is never good for you. These martial arts are mostly for people that don't want to do anything else in life and are willing to take the risk of future CTE/dementia.