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Arto Holopainen's Forum Nokia Blog
Using smart phones for preventing acute mountain sickness while maximizing high altitude training
ahoccc | 03 November, 2006 00:25
Thinking outside-the-box again… Have you ever thought that smart phones could be used as an excellent tool to prevent altitude sickness while maximizing training performance? Here I will present a case that describes how all this is achieved. First some background to the subject. The effects of training and sleeping at high altitude on athletic performance have become an almost essential aspect of the preparation of world-class competitors. Training is performed usually over 2500m above sea level for several weeks. At this altitude, there is only 74% as much oxygen available as there is at sea level [wikipedia].Rapid accent to these high altitudes often results in the syndrome known as acute mountain sickness (AMS). AMS is not an independent illness but a combination of symptoms as the body tries to adapt to high altitude. At higher altitudes, blood oxygen saturation (%SpO2) decreases because of the reduced amount of oxygen in the air. So, one of the simplest indicators for AMS can be found by measuring saturated blood oxygen content [M. Hassinen et al].
Oxygen saturation can be measured with a pulse oximeter. Pulse oximeter tells you basically what percent of your hemoglobin molecules are carrying oxygen, commonly referred to as blood oxygen saturation (%SpO2). Pulse oximeters measure blood oxygen saturation in a non-invasive fashion usually from the fingertip.
Using Bluetooth enabled pulse oximeter with smart phone we can set up an effective tool for preventing AMS. Smart phone can continuously monitor blood oxygen saturation as well as heart rate level and give automated alerts if %SpO2 drops below given threshold.
To maximize training result we can combine additional EMG sensors and sport computer alongside pulse oximeter. All of these measurement devices are small, light-weighted and battery operated. Smart phone with suitable application can constantly monitor blood oxygen saturation, heart rate, muscle activity (EMG), location (GPS), altitude, speed, air pressure, temperature… Just with a quick look to your mobile phone you can get overview of your body and training state as well as information about your surroundings. 
Does this sound absurd and futurism? It should not since all these can be used already today. Find more related topics in my blogs here.
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