System and method for target muscle glycogen score determination and evaluation
Provided is a non-invasive system and method for determining a target glycogen score value for a target muscle and potentially at least one indicator muscle. The method includes receiving an ultrasound scan of a target muscle; evaluating at least a portion of the ultrasound scan to determine glycogen store value within the target muscle; recording the determined glycogen store value for the muscle as an element of a glycogen value data set for the muscle; evaluating the glycogen value data set to determine a value range; and in response to the range being at least above a pre-determined threshold, establishing a target score for the muscle as based on an upper portion of the value range. The method may be repeated to identify ranges for a plurality of muscles, the muscle with the greatest range being identified as an indicator muscle. An associated system is also disclosed.
1. A non-invasive method of determining at least one indicator muscle for determination of muscle glycogen store value, comprising:
receiving from a subject a plurality of ultrasound scans from a plurality of different muscles over a plurality of ultrasound scanning sessions, the ultrasound scans obtained with a computing device having at least one processor, each ultrasound scan having a plurality of data elements;
for each received ultrasound scan of each muscle, utilizing a computing system with a second processor, the second processor:
selecting at least a portion of the ultrasound scan;
defining a plurality of subsets of the ultrasound data elements within the selected portion, each subset of ultrasound data elements having at least one attribute indicative of water concentration within the muscle tissue;
quantifying each attribute as a value within a range of glycogen concentration values from zero percent concentration to one hundred percent concentration based on a pre-established glycogen concentration scale that correlates the attribute to the glycogen concentration value to determine a glycogen store value for each subset, the collective glycogen store values being a glycogen value data set for the muscle;
utilizing the second processor to further:
evaluate each glycogen value data set to determine a glycogen store value range for each muscle;
rank the scanned muscles by determined glycogen store value range; and
select the highest ranked muscle as an indicator muscle.
2. The method of claim 1 , wherein at least five scans of each muscle are received.
3. The method of claim 1 , wherein at least four different muscles are scanned.
4. The method of claim 1 , wherein scanning session are performed before and after exercise by the subject and before and after the subject consuming nutrition.
5. The method of claim 1 , wherein the at least one indicator muscle is a baseline for evaluating a muscle glycogen store value in a different muscle.
6. The method of claim 1 , wherein evaluating each glycogen store value data set includes providing a statistical summary for each glycogen value data set.
7. The method of claim 6 , wherein each statistical summary is visually represented to a user as a box plot.
8. The method of claim 1 , wherein evaluating each glycogen value data set includes:
determining a first quartile (Q1) and a third quartile (Q3);
establishing an inner quartile range (IQR) as the difference between the Q3 and the Q1;
identifying a first glycogen store value (FG) within the IQR and closest to or equal to Q1;
identifying a second glycogen store value (SG) within the IQR and closest to or equal to Q3;
determining a lower limit as FG−1.5(IQR);
determining a upper limit as SG+1.5(IQR); and
establishing the range as the difference between the lower limit and the upper limit.
9. The method of claim 8 , wherein for each muscle Q3 is established as a target score.
10. The method of claim 1 , wherein the method is stored on a computer-readable medium as a computer program, which when executed by a computer system will perform the steps of determining at least one indicator muscle for determination of muscle glycogen store value.
11. A non-invasive method of determining at least one indicator muscle for determination of muscle glycogen store value, comprising:
selecting from a subject a plurality of different muscles to establish a plurality of glycogen store value data sets, each data set established by utilizing a computing system with a processor, the processor:
receiving an ultrasound scan of each muscle, each ultrasound scan having a plurality of data elements;
selecting at least a portion of the ultrasound scan;
defining a plurality of subsets of the ultrasound data elements within the selected portion, each subset of ultrasound data elements having at least one attribute indicative of water concentration within the muscle tissue;
quantifying each attribute as a value within a range of glycogen concentration values from zero percent concentration to one hundred percent concentration based on a pre-established glycogen concentration scale that correlates the attribute to the glycogen concentration value to determine a glycogen store value for each subset, the collective glycogen store values being a glycogen value data set for the muscle;
recording the determined glycogen store value for the muscle as an element of a glycogen value data set for the muscle;
evaluating each glycogen value data set to determine a glycogen store value range for each muscle;
ranking the scanned muscles by determined glycogen store value range; and
selecting the highest ranked muscle as an indicator muscle.
12. The method of claim 11 , wherein at least five scanning sessions are performed to provide the data set.
13. The method of claim 11 , wherein at least four different muscles are scanned.
14. The method of claim 11 , wherein scanning session are performed before and after exercise by the subject and before and after the subject consuming nutrition.
15. The method of claim 11 , wherein the at least one indicator muscle is a baseline for evaluating a muscle glycogen store value in a different muscle.
16. The method of claim 11 , wherein evaluating each glycogen store value data set includes providing a statistical summary for each glycogen value data set.
17. The method of claim 16 , wherein each statistical summary is visually represented to a user as a box plot.
18. The method of claim 11 , wherein evaluating each first data set includes:
determining a first quartile (Q1) and a third quartile (Q3);
establishing an inner quartile range (IQR) as the difference between the Q3 and the Q1;
identifying a first glycogen store value (FG) within the IQR and closest to or equal to Q1;
identifying a second glycogen store value (SG) within the IQR and closest to or equal to Q3;
determining a lower limit as FG−1.5(IQR);
determining a upper limit as SG+1.5(IQR); and
establishing the range as the difference between the lower limit and the upper limit.
19. The method of claim 18 , wherein for each muscle Q3 is established as a target score.
20. A non-invasive method of determining at least one indicator muscle for determination of muscle glycogen store value, comprising:
receiving from a subject a plurality of ultrasound scans from a plurality of different muscles over a plurality of ultrasound scanning sessions, the ultrasound scans obtained with a computing device having at least one processor, each ultrasound scan having a plurality of data elements;
for each received ultrasound scan of each muscle, utilizing a computing system with a second processor, the second processor:
selecting at least a portion of the ultrasound scan;
defining a plurality of subsets of the ultrasound data elements within the selected portion, each subset of ultrasound data elements having at least one attribute indicative of water concentration within the muscle tissue;
quantifying each attribute as a value within a range of glycogen concentration values from zero percent concentration to one hundred percent concentration based on a pre-established glycogen concentration scale that correlates the attribute to the glycogen concentration value to determine a glycogen store value for each subset, the collective glycogen store values being a glycogen value data set for the muscle;
utilizing the second processor to further:
evaluate each glycogen value data set to determine a glycogen store value range for each muscle by the processor:
determining a first quartile (Q1) and a third quartile (Q3);
establishing an inner quartile range (IQR) as the difference between the Q3 and the Q1;
identifying a first glycogen store value (FG) within the IQR and closest to or equal to Q1,
identifying a second glycogen store value (SG) within the IQR and closest to or equal to Q3;
determining a lower limit as FG−1.5(IQR);
determining a upper limit as SG+1.5(IQR); and
establishing the range as the difference between the lower limit and the upper limit;
rank the scanned muscles by determined glycogen store value range; and
select the highest ranked muscle as an indicator muscle.
21. The method of claim 20 , wherein at least five scans of each muscle are received.
22. The method of claim 20 , wherein at least four different muscles are scanned.
23. The method of claim 20 , wherein scanning session are performed before and after exercise by the subject and before and after the subject consuming nutrition.
24. The method of claim 20 , wherein the at least one indicator muscle is a baseline for evaluating a muscle glycogen store value in a different muscle.
25. The method of claim 20 , wherein for each muscle Q3 is established as a target score.
26. A non-invasive method of determining at least one indicator muscle for determination of muscle glycogen store value, comprising:
selecting from a subject a plurality of different muscles to establish a plurality of glycogen store value data sets, each data set established by utilizing a computing system with a processor, the processor:
receiving an ultrasound scan of each muscle, each ultrasound scan having a plurality of data elements;
selecting at least a portion of the ultrasound scan;
defining a plurality of subsets of the ultrasound data elements within the selected portion, each subset of ultrasound data elements having at least one attribute indicative of water concentration within the muscle tissue;
quantifying each attribute as a value within a range of glycogen concentration values from zero percent concentration to one hundred percent concentration based on a pre-established glycogen concentration scale that correlates the attribute to the glycogen concentration value to determine a glycogen store value for each subset, the collective glycogen store values being a glycogen value data set for the muscle;
recording the determined glycogen store value for the muscle as an element of a glycogen value data set for the muscle;
evaluating each glycogen value data set to determine a glycogen store value range for each muscle by the processor:
determining a first quartile (Q1) and a third quartile (Q3);
establishing an inner quartile range (IQR) as the difference between the Q3 and the Q1;
identifying a first glycogen store value (FG) within the IQR and closest to or equal to Q1;
identifying a second glycogen store value (SG) within the IQR and closest to or equal to Q3;
determining a lower limit as FG−1.5(IQR);
determining a upper limit as SG+1.5(IQR); and
establishing the range as the difference between the lower limit and the upper limit;
ranking the scanned muscles by determined glycogen store value range; and
selecting the highest ranked muscle as an indicator muscle.
27. The method of claim 26 , wherein at least five scanning sessions are performed to provide the data set.
28. The method of claim 26 , wherein at least four different muscles are scanned.
29. The method of claim 26 , wherein scanning session are performed before and after exercise by the subject and before and after the subject consuming nutrition.
30. The method of claim 26 , wherein the at least one indicator muscle is a baseline for evaluating a muscle glycogen store value in a different muscle.
31. The method of claim 26 , wherein for each muscle Q3 is established as a target score.
32. The method of claim 1 , wherein the attribute is selected from the group consisting of: color, contrast, darkness, and luminance.
33. The method of claim 11 , wherein the attribute is selected from the group consisting of: color, contrast, darkness, and luminance.
34. The method of claim 20 , wherein the attribute is selected from the group consisting of: color, contrast, darkness, and luminance.
35. The method of claim 26 , wherein the attribute is selected from the group consisting of: color, contrast, darkness, and luminance.