External Training Demands in Women's Varsity Rugby Union Players Quantified by Wearable Microtechnology With Individualized Speed Thresholds

Abstract Nyman, DLE and Spriet, LL. External training demands in women's varsity rugby union players quantified by wearable microtechnology with individualized speed thresholds. J Strength Cond Res 36(11): 3151–3158, 2022—This study used wearable Global Positioning System (GPS) microtechnology...

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Published in:Journal of strength and conditioning research 2022-11, Vol.36 (11), p.3151-3158
Main Authors: Nyman, Danielle L.E., Spriet, Lawrence L.
Format: Article
Language:English
Subjects:
Global positioning systems
GPS
Physical fitness
Rugby
Training
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Summary:Abstract Nyman, DLE and Spriet, LL. External training demands in women's varsity rugby union players quantified by wearable microtechnology with individualized speed thresholds. J Strength Cond Res 36(11): 3151–3158, 2022—This study used wearable Global Positioning System (GPS) microtechnology with individualized speed thresholds to examine external training demands in 29 female varsity rugby union athletes during competitive season practices. Players were categorized as forwards or backs and observed during fitness, game-based, or skill training days (FT/GT/ST). Global Positioning System–derived variables included distances, high-intensity running (HIR), work-to-rest ratio, power plays, and PlayerLoad. Five speed zones categorized athlete movements and were customized according to each individual's overall maximum velocity (V̇max). Compared with backs, forwards had lower overall V̇max (6.62 ± 0.66 m·s −1 ; 7.38 ± 0.61 m·s −1 , p = 0.003) and HIR thresholds (3.97 ± 0.40 m·s −1 ; 4.43 ± 0.37 m·s −1 , p = 0.003). There were no interaction effects between position and training day for any GPS-derived variables. However, there were several effects of position ( p ≤ 0.05), with forwards being lower than backs in mean V̇max, zone 1 distance, and power plays, and greater than backs in zone 3, zone 4, and HIR distances. Effects of the training day ( p ≤ 0.05) were also observed in zone 1 distance, with FT being lower than GT and ST, and in power plays, with FT being greater than ST. In female varsity rugby union athletes, there were significant positional differences in individualized speed thresholds and external training demands. However, there were few marked differences between fitness, game-based, and skill training days.
ISSN:1064-8011
1533-4287
DOI:10.1519/JSC.0000000000004084