"Enough exercise" means doing a suitable amount of physical activity or movement that is adequate or sufficient for your health and well-being. Full definition
It leads to poor circulation and not getting enough exercise for the muscles and bones to develop well. (theparentszone.com)
They are also very curious which can lead to them getting into things if they are not given enough exercise and entertainment. (thoroughlyreviewed.com)
If not provided with enough exercise this breed can often turn in to an escape artist, able to jump a back yard fence that stands at less than six feet tall. (caninejournal.com)