Inter-system and inter-unit reliability of Polar Team Pro and WIMU PRO devices during external load measurements indoors

Rodríguez-Fernández, Alejandro, Suárez-Iglesias, David, Vaquera, Alejandro, Leicht, Anthony S., and Rodríguez-Marroyo, José Antonio (2024) Inter-system and inter-unit reliability of Polar Team Pro and WIMU PRO devices during external load measurements indoors. Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology. (In Press)

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Abstract

The aim was to examine inter-system and inter-unit reliability of both WIMU PRO (UWB) and Polar Team Pro devices in measuring indoor sport-specific movements. Seventeen active and healthy adults (age: 21.4 ± 5.2 years; height 170.3 ± 8.2 cm; body mass: 71.2 ± 4.5 kg) completed one repetition of an indoor team sport circuit (i.e. accelerations, decelerations, change of direction, jumps and arc runs). Participants carried two 10-Hz Polar Team Pro GPS and wore two 20-Hz GPS (UWB) WIMU PRO chest- and back-mounted devices, respectively. Distance (absolute, relative and in different speed thresholds), mean and peak speed, accelerations and decelerations at different intensities and jumps were recorded. A repeated-measures two-way analysis of variance and ICC and CV were utilised. There was a significant (p ≤ 0.001) main effect of the system for all variables except the total distance, mean speed and distance covered during low- and high-intensity running. There were significant differences (p < 0.05) between the two Polar Team Pro units for all external load variables except for distance covered during submaximal speed, moderate-intensity accelerations (ACC), and moderate-intensity and total decelerations (DCC). No significant differences (p > 0.05) between the two WIMU PRO units were detected. Poor inter-system reliability was ascertained, with inter-unit reliability being moderate-excellent for most variables of both systems.

Item ID: 78549
Item Type: Article (Research - C1)
ISSN: 1754-338X
Keywords: Accelerometer, indoor sports, microsensor, team sports, training load, ultra-wide band, wearable devices
Copyright Information: © IMechE 2023
Date Deposited: 30 May 2023 02:29
FoR Codes: 42 HEALTH SCIENCES > 4207 Sports science and exercise > 420702 Exercise physiology @ 60%
40 ENGINEERING > 4009 Electronics, sensors and digital hardware > 400904 Electronic device and system performance evaluation, testing and simulation @ 40%
SEO Codes: 13 CULTURE AND SOCIETY > 1306 Sport, exercise and recreation > 130601 Exercise @ 100%
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