Balance; Distorted Clinical Trial
Official title:
Effects of Hypocapnia on Postural Standing Balance Measured by Sharpened Romberg Testing (SRT) in Healthy Subjects
This research study is being done to evaluate the effectiveness of using the sharpened Romberg test to screen for impaired postural control in patients with impaired or altered breathing patterns.
The effects of hypocapnia on the postural system have not previously been adequately investigated. The specific aim of this study is to evaluate the effects of hypocapnia on postural standing balance using the sharpened Romberg test (SRT). There is very little research in this area, even though there is significant clinical relevance, ranging from individuals with conditions affecting ventilation (respiratory conditions, cardiac conditions, concussions, medications, post-surgical states requiring ventilatory support etc). The design of the experiment consists of testing healthy subjects and measuring their standing balance with SRT before and after they deliberately lower their carbon dioxide levels by increased ventilation over 2min. End-tidal CO2 (ETCO2) will be used to estimate the blood carbon dioxide level during the experimental procedures. ETCO2 will be measured using the Masimo, Emma Capnometer device. The device is a measurement tool that reads the end tidal carbon dioxide level on its display. The results will then be compared to the normal pre-hypocapnic SRT to assess how hypocapnia affects standing balance. ;
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