Aerobic class at gym room with instructor. Beginner learning aerobic at home by watching TV and Internet video. Aqua aerobic exercise at swimming pool. Illustrations in stick figures pictogram. Shutterstock Image - Aerobic class at gym room with instructor. Beginner learning aerobic at home by watching TV and Internet video. Aqua aerobic exercise at swimming pool. Illustrations in stick figures pictogram. - ID: 593667338