ANTONIA REEVE / SCIENCE PHOTO LIBRARY ANTONIA REEVE / SCIENCE PHOTO LIBRARY
COPD research. Activity monitor being attached to a test subject's wrist during a study being carried out into chronic obstructive pulmonary disease (COPD). Participants had changes in various respiratory values and blood oxygen levels monitored, both while resting and while exercising. The measuring device used here is a Respironics Actiwatch Ambulatory Device that will use accelerometry technology to record the test subject's movements over a period of two weeks.
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