Validity of real-time ultra-wideband global navigation satellite system data generated by a wearable microtechnology unit
Journal article
Johnston, Rich D., Hewitt, Adam and Duthie, Grant. (2020). Validity of real-time ultra-wideband global navigation satellite system data generated by a wearable microtechnology unit. Journal of Strength and Conditioning Research. 34(7), pp. 2071-2075. https://doi.org/10.1519/JSC.0000000000003059
Authors | Johnston, Rich D., Hewitt, Adam and Duthie, Grant |
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Abstract | Johnston, RD, Hewitt, A, and Duthie, G. Validity of real-time ultra-wideband global navigation satellite system data generated by a wearable microtechnology unit. J Strength Cond Res 34(7): 2071–2075, 2020—This study aimed to determine the validity of real-time ultra-wideband data generated by a wearable microtechnology unit during rugby league training sessions using a repeated-measures crossover study. Twenty-four semiprofessional rugby league players wore a commercially available microtechnology device (StatSports Apex, Newry, Northern Ireland) during 10 training sessions. Total distance; moderate-speed running (3.6–4.9 m·s−1); high-speed running (5.0–6.9 m·s−1); very high-speed running (≥7 m·s−1); maximum velocity (m·s−1); the number of high-intensity accelerations (≥2.78 m·s−2) and decelerations (≥−2.78 m·s−2); dynamic stress load (AU); and high metabolic load distance (m) were recorded in real time through an Apex beacon over a secured wireless network before being exported to a csv file at the end of the session. The data were then downloaded to a computer after event. To determine the validity of the real-time data, they were compared with the postevent downloaded data using coefficient of variation and Pearson's correlation coefficient. There was almost perfect agreement between real-time and postevent downloaded data for all variables reported. The overall bias effect size scores were all trivial, ranging from 0.00 for total distance and high-speed running up to −0.12 for maximal velocity; Pearson's correlations were either perfect or nearly perfect (r = 0.98–1.00). Irrespective of the movement speed, the data collected by these devices in real time show excellent levels of agreement with postevent downloaded data. |
Keywords | GPS; team sports; technology; monitoring; workloads; training |
Year | 2020 |
Journal | Journal of Strength and Conditioning Research |
Journal citation | 34 (7), pp. 2071-2075 |
Publisher | NLM (Medline) |
ISSN | 1533-4287 |
Digital Object Identifier (DOI) | https://doi.org/10.1519/JSC.0000000000003059 |
Scopus EID | 2-s2.0-85087326052 |
Research or scholarly | Research |
Page range | 2071-2075 |
Publisher's version | License All rights reserved File Access Level Controlled |
Output status | Published |
Publication dates | |
Online | 2020 |
Publication process dates | |
Deposited | 23 Aug 2021 |
https://acuresearchbank.acu.edu.au/item/8wq18/validity-of-real-time-ultra-wideband-global-navigation-satellite-system-data-generated-by-a-wearable-microtechnology-unit
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