The big picture is quite clear: Canadians need to move a lot more and sit a lot less. It’s the details that have caused some confusion.

While the new exercise guidelines released Monday are straightforward, the rationale is leaving some people scratching their heads. That’s because while the message is to exercise more often and more intensely, the recommended minimum levels of physical activity for children and adults have been reduced — from 90 minutes to an hour a day for kids and teens, and from an hour a day to 150 minutes a week for adults.

Read more: Do new exercise guidelines send the right message?