초록

Methods and apparatuses for athletic performance and technique monitoring are disclosed. In one example, a sensor output is received associated with a movement of a user torso during a running motion. The sensor output is analyzed to identify an undesirable torso motion.

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1. A method for monitoring a user stride comprising: monitoring a user vertical displacement during a running stride with a first device;monitoring a user motion parameter associated with the running stride with a second device;determining whether the user vertical displacement exceeds a threshold v

1. A method for monitoring a user stride comprising: monitoring a user vertical displacement during a running stride with a first device;monitoring a user motion parameter associated with the running stride with a second device;determining whether the user vertical displacement exceeds a threshold value, the threshold value dependent on the user motion parameter; andoutputting an indication the user vertical displacement exceeds the threshold value. 2. The method of claim 1, wherein the user motion parameter comprises a user horizontal displacement during the running stride. 3. The method of claim 2, further comprising determining a vertical displacement/horizontal displacement ratio. 4. The method of claim 1, wherein the user motion parameter comprises a user speed during the running stride. 5. The method of claim 4, wherein the threshold value is adjusted upward when the user speed increases and is adjusted downward when the user speed decreases. 6. The method of claim 1, wherein outputting the indication comprises outputting an alarm. 7. The method of claim 1, further comprising monitoring a striding angle utilizing a torso mounted sensor. 8. A system for monitoring a user stride comprising: a sensor system adapted to be worn on a user torso, the sensor system comprising a first wireless transceiver; anda device adapted to be worn on a user comprising: a second wireless transceiver configured to receive a sensor system output from the first wireless transceiver;a user interface;a processor;a positioning system unit configured to monitor a user speed; anda memory comprising a torso analysis application configured to process the sensor system output to determine whether a user torso motion exceeds a threshold value during a running motion, wherein the threshold value is dependent on the user speed. 9. The system of claim 8, wherein the user torso motion is a torso stride angle. 10. The system of claim 8, wherein the user torso motion is a vertical displacement or vertical acceleration. 11. The system of claim 8, wherein the user torso motion is a torso rotation. 12. The system of claim 8, wherein the torso analysis application is further configured to output an alarm if the threshold value is exceeded. 13. The system of claim 8, wherein the threshold value is specific to the user. 14. A non-transitory computer readable storage memory storing instructions that when executed by a computer cause the computer to perform a method for monitoring a user stride comprising: receiving a sensor output associated with a movement of a user torso during a running motion;receiving a user speed data andanalyzing the sensor output to identify an undesirable torso motion in excess of a threshold value dependent on a user speed. 15. The non-transitory computer readable storage memory of claim 14, wherein the undesirable torso motion comprises a torso stride angle, a torso vertical displacement, a torso vertical acceleration, or a torso rotation. 16. The non-transitory computer readable storage memory of claim 14, wherein the threshold value is adjusted upward when the user speed increases and is adjusted downward when the user speed decreases. 17. The non-transitory computer readable storage memory of claim 14, wherein the threshold value is specific to a user. 18. One or more non-transitory computer-readable storage media having computer-executable instructions stored thereon which, when executed by one or more computers, cause the one more computers to perform operations comprising: monitoring a first user motion parameter during a running motion;monitoring a second user motion parameter during the running motion;determining whether the first user motion parameter exceeds a threshold value, the threshold value dependent on the second user motion parameter; andoutputting an indication the first user motion parameter exceeds the threshold value. 19. The one or more non-transitory computer-readable storage media of claim 18, wherein the second user motion parameter comprises a user horizontal displacement during the running motion. 20. The one or more non-transitory computer-readable storage media of claim 18, wherein the first user motion parameter comprises a user vertical displacement. 21. The one or more non-transitory computer-readable storage media of claim 18, wherein the second user motion parameter comprises a user speed during the running motion. 22. The one or more non-transitory computer-readable storage media of claim 21, wherein the threshold value is adjusted upward when the user speed increases and is adjusted downward when the user speed decreases. 23. The one or more non-transitory computer-readable storage media of claim 18, wherein outputting the indication the first user motion parameter exceeds the threshold value comprises outputting an alarm. 24. The one or more non-transitory computer-readable storage media of claim 18, wherein the first user motion parameter is associated with a user arm motion, a user foot motion, or a user torso motion.