Activity monitoring device with assessment of exercise intensity
First Claim
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1. An apparatus, comprising:
- a processor;
a user interface;
an oxygenation sensor, configured to be positioned proximate an area of skin of a user, the oxygenation sensor further configured to output data indicative of a tissue oxygenation of a body tissue of the user; and
a non-transitory computer-readable medium comprising computer-executable instructions that when executed by the processor are configured to perform at least;
receive tissue oxygenation data from the oxygenation sensor associated with at least two exercise periods, at least a portion of each of the at least two exercise periods associated with a severe exercise intensity domain, and the at least two exercise periods having differing durations;
calculate a total number of tissue oxygenation points for each of the at least two exercise periods as an integration of tissue oxygenation percentages for each second of a duration of an exercise period, from the at least two exercise periods;
calculate an exercise period summary data point for each of the at least two exercise periods as a total number of tissue oxygenation points versus a duration of exercise;
calculate a regression through the exercise period summary data points for the at least two exercise periods;
output a critical tissue oxygenation percentage for the user equal to a slope of at least a portion of the regression; and
output an anaerobic work capacity equal to an intercept associated with at least a portion of the regression.
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Abstract
Aspects relate to a portable device that may be used to identify a critical intensity and an anaerobic work capacity of an individual. The device may utilize muscle oxygen sensor data, speed data, or power data. The device may utilize data from multiple exercise sessions, or may utilize data from a single exercise session. The device may additionally estimate a critical intensity from a previous race time input from a user.
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Citations
9 Claims
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1. An apparatus, comprising:
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a processor; a user interface; an oxygenation sensor, configured to be positioned proximate an area of skin of a user, the oxygenation sensor further configured to output data indicative of a tissue oxygenation of a body tissue of the user; and a non-transitory computer-readable medium comprising computer-executable instructions that when executed by the processor are configured to perform at least; receive tissue oxygenation data from the oxygenation sensor associated with at least two exercise periods, at least a portion of each of the at least two exercise periods associated with a severe exercise intensity domain, and the at least two exercise periods having differing durations; calculate a total number of tissue oxygenation points for each of the at least two exercise periods as an integration of tissue oxygenation percentages for each second of a duration of an exercise period, from the at least two exercise periods; calculate an exercise period summary data point for each of the at least two exercise periods as a total number of tissue oxygenation points versus a duration of exercise; calculate a regression through the exercise period summary data points for the at least two exercise periods; output a critical tissue oxygenation percentage for the user equal to a slope of at least a portion of the regression; and output an anaerobic work capacity equal to an intercept associated with at least a portion of the regression. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification