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Use of Inertial Sensors to Quantify Segment Loading during Running and Jumping: Comparison of Youth and Adults

Measuring the “dose” of and the subsequent “response” to a training program is a widely used and accepted practice, integral in the pursuit of optimal athletic performance and minimisation of injury risk. Some sports and aspects of training are well suited to measurement of the dose, or external training load. However, in sports with a more dynamic external environment, as in many team sports, training load measurement is a challenge. Research has been undertaken to validate methods of internal and external training load measurement with varying degrees of success but the premise of some methods have limitations that prevent a full, valid and/or accurate measurement to be collected. Inertial sensors and accelerometers provide a means of measuring all gross movements and a potential solution to these training load measurement challenges. In previous research, however, the positioning of such a device as well as the intensity of activity has resulted in inconsistent findings, raising questions about the most valid device position and activity intensity for measurement. Further, when considering the training load measurement of youth athletes, factors relating to maturation may also impact the validity of inertial sensor positioning. Understanding the best representation of the training dose is central to provide a better understanding of the training response.

Therefore, this study will investigate the validity and reliability of various positions of inertial sensor placement to measure external loading. Given the inherent differences between a mature and youth athlete, a comparison will be undertaken to determine if any differences in device position reliability and validity exist for these populations.

Project duration



Mr Rustico Dulguime
Dr Sophia Nimphius
Dr Eric Drinkwater
Professor Rob Newton

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