The high energy level and athletic physique of the boxer means the breed needs a significant amount of exercise every day. (thesprucepets.com)
This large breed is particularly active and requires a significant amount of exercise in order to keep in shape. (caninejournal.com)
They need a significant amount of exercise and mental stimulation, and they're more likely to spend time jumping, playing, and investigating any new sights and smells. (dogtime.com)