Goal: Walk one mile as quickly as possible. Execution: We suggest that you DO NOT attempt this test until you are routinely walking for 15 to 20 minutes several times per week. Do not perform this test on a treadmill, as it will skew your results. Warm up by walking slowly for 3-5 minutes.
Causes of Nasal Valve Collapse. Plastic surgery to the nose, or rhinoplasty, is the most common cause of nasal valve collapse. Also, a nasal valve collapse can occur after trauma to the nose or nose surgery as the result of inflammation, enlarged tissue or even scar tissue.
Common causes of nasal obstruction include a deviated nasal septum, nasal turbinate enlargement and nasal polyps (benign growths). Deviated nasal septum: The midline of the nose consists of a cartilage and bony nasal septum that separates the two sides of the nasal cavity.