CPC A61B 5/0075 (2013.01) [A61B 5/1455 (2013.01); A61B 5/14532 (2013.01); A61B 5/14546 (2013.01); A61B 5/443 (2013.01); A61B 5/4519 (2013.01); A61B 5/4875 (2013.01); A61B 5/6824 (2013.01); A61B 5/7278 (2013.01); A61B 5/742 (2013.01); A61B 5/7475 (2013.01); G01N 21/3151 (2013.01); G01N 21/359 (2013.01); G01N 21/3554 (2013.01); A61B 2562/0238 (2013.01); A61B 2562/0242 (2013.01); A61B 2562/046 (2013.01); G01N 2021/3181 (2013.01); G01N 2021/4709 (2013.01)] | 38 Claims |
1. A system, comprising:
a light emitter configured to emit light at a first wavelength over a range of approximately 900 to 1000 nanometers and at a second wavelength over a range of approximately 1300 to 1400 nanometers;
a first light detector spaced at a first distance from the light emitter; and
a second light detector spaced at a second distance from the light emitter, the second distance approximately twice the first distance;
a processor configured to determine a glycogen level of muscle tissue as a function of hydration of the muscle tissue based on a relationship between backscatter light from the muscle tissue as detected by the second light detector and backscatter light from non-muscle tissue as detected by the first light detector.
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