Non-traumatic shoulder instability measurements from accelerometer and audio records
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Accelerometer sensors used to determine limb movement have significant high frequency noise levels which are often ignored and removed by low pass filtering. This preliminary investigation reports the relationship between audible shoulder events and accelerometer measurements at the shoulder and the wrist during repeated flexion and extension of the arm with a 3 kg weight. Repeated cycles show audio events (clicks) which strongly correlate with high frequency acceleration events at the same arm inclination angle and leads to an explanation of some of the high frequency acceleration events during rhythmic movements such as ballet. Copyright of Journal of Fitness Research is the property of Australian Institute of Fitness and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.
Journal of Fitness Research
Electrical and Electronic Engineering not elsewhere classified