Training Volume and High-Speed Loads Vary Within Microcycle in Elite North American Soccer Players Article Swipe
Ai Ishida
,
Garrison Draper
,
Matthew Wright
,
Jonathan Emerson
,
Michael H. Stone
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1519/jsc.0000000000004522
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1519/jsc.0000000000004522
Ishida, A, Draper, G, Wright, M, Emerson, J, and Stone, MH. Training volume and high-speed loads vary within microcycle in elite North American soccer players. J Strength Cond Res 37(11): 2229–2234, 2023—The purposes of this study were to reduce dimensionality of external training load variables and examine how the selected variables varied within microcycle in elite North American soccer players. Data were collected from 18 players during 2018–2020 in-seasons. Microcycle was categorized as 1, 2, 3, 4, 5 days before match day (MD-1, MD-2, MD-3, MD-4, and MD-5, respectively). Training load variables included total distance, average speed, maximum velocity, high-speed running distance (HSR), average HSR, HSR efforts, average HSR efforts, sprint distance, average sprint distance, sprint efforts, average sprint efforts, total PlayerLoad, and average PlayerLoad. The first principal component (PC) can explain 66.0% of the variances and be represented by “high-speed load” (e.g., HSR and sprint-related variables) with the second PC relating to “volume” (e.g., total distance and PlayerLoad) accounting for 17.9% of the variance. Average sprint distance and total distance were selected for further analysis. Average sprint distance was significantly higher at MD-3 than at MD-2 ( p = 0.01, mean difference = 0.36 m•minute −1 , 95% confidence intervals [CIs] = 0.07–0.65 m•minute −1 ) and MD-4 ( p = 0.012, mean difference = 0.26 m•minute −1 , 95% CIs = 0.10–0.41 m•minute −1 ). Total distance was significantly higher at MD-3 than at MD-1 ( p < 0.001, mean difference = 1,465 m, 95% CIs = 1,003–1926 m), and MD-2 ( p < 0.001, mean difference = 941 m, 95% CIs = 523–1,360 m). Principal component analysis may simplify reporting process of external training loads. Practitioners may need to choose “volume” and “high-speed load” variables. Elite North American Soccer players may accumulate higher average sprint distance at MD-3 than at other training days.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1519/jsc.0000000000004522
- OA Status
- green
- Cited By
- 4
- References
- 38
- Related Works
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- OpenAlex ID
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All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4387966885Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1519/jsc.0000000000004522Digital Object Identifier
- Title
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Training Volume and High-Speed Loads Vary Within Microcycle in Elite North American Soccer PlayersWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
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2023-10-26Full publication date if available
- Authors
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Ai Ishida, Garrison Draper, Matthew Wright, Jonathan Emerson, Michael H. StoneList of authors in order
- Landing page
-
https://doi.org/10.1519/jsc.0000000000004522Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://research.tees.ac.uk/en/publications/897ac70e-b249-406a-ad8f-049afee51598Direct OA link when available
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Elite, Speed skating, Volume (thermodynamics), Mathematics, Aeronautics, Computer science, Political science, Simulation, Engineering, Physics, Quantum mechanics, Politics, LawTop concepts (fields/topics) attached by OpenAlex
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4Total citation count in OpenAlex
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2025: 3, 2024: 1Per-year citation counts (last 5 years)
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38Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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