Do you sometimes feel out of breath?
Maybe you want to improve your cardio fitness.
Here is a great tip to improve your respiratory fitness. Breath through a straw.
Straw breathing for 2 minutes a day is a quick and easy way to breathe better all day. Breathing through a straw strengthens your diaphragm and other muscles involved in breathing. This video shows you how to make sure you are using all of your lung capacity.