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.
The overall nasal profile mirrors that of the septum profile. The nasal septum functionally stabilizes the nose much like a foundation supports and stabilizes a home or a skyscraper. Without a strong foundation a building will collapse. The nose is no different. Septal perforations can destabilize the nose and lead to nasal collapse.