Viking Axes, Bearded Axes and Norse Axes. The axe was one of two common weapons for a Viking warrior to wield. Easy to make and easy to repair, it was a brutally effective weapon that well-suited the wild yet powerful style that Vikings were said to utilize when they entered into battle.
With less air trapped in your lungs, more oxygen will be able to get into your bloodstream. Diaphragmatic Breathing for COPD Diaphragmatic breathing is a breathing exercise that helps to strengthen your diaphragm, which is the most important muscle used in breathing. Your diaphragm, located under your lungs, helps you expel air from your lungs when you exhale.
Asthma and COPD. Pursed lip breathing is most often practiced to treat asthma and COPD as it improves breathing muscle functions. The main respiratory muscle is the diaphragm which with the contraction increases volume of the chest. Postural muscles (stomach, back, shoulder girdle) facilitate the effective functioning of the diaphragm.