Dr Christopher McLaren-Towlson C.Towlson@hull.ac.uk
Lecturer in Growth, maturation and talent identification of atheletes
Quantifying volume and high-speed technical actions of professional soccer players using foot-mounted inertial measurement units - Anonymised dataset
McLaren-Towlson, Christopher; Barrett, Steve; Lewis, Glyn; Roversi, Pietro; Domogalla, Chris; Herrington, Lee
Authors
Steve Barrett
Glyn Lewis
Pietro Roversi
Chris Domogalla
Lee Herrington
Citation
McLaren-Towlson, C., Barrett, S., Lewis, G., Roversi, P., Domogalla, C., & Herrington, L. Quantifying volume and high-speed technical actions of professional soccer players using foot-mounted inertial measurement units - Anonymised dataset. [Data]
Deposit Date | Jun 25, 2021 |
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Publicly Available Date | Dec 8, 2021 |
Public URL | https://hull-repository.worktribe.com/output/3793550 |
Collection Date | Sep 8, 2020 |
Additional Information | AIMS The study aimed to i) quantify soccer players within-microcycle and inter-positional differences in both the frequency and speed of technical actions, ii) examine the validity and reliability of high-speed kicking actions using foot-mounted inertial measurement unit’s (IMU). METHODS During the in-season phase (25 weeks) of the UK domestic season, 36 professional soccer player ball releases, high-speed ball releases and ball release index were analysed. Pearson product-moment correlation coefficient and confidence intervals were used to determine the validity between the systems, whilst a general linear mixed model analysis approach was used to establish estimated marginal mean values for total ball releases, high-speed ball releases and ball release index. RESULTS Good concurrent validity was observed for ball release velocity and high-speed kicks against a high-speed camera (r2- 0.96, CI 0.93-0.98). Ball releases, high-speed ball releases and ball release index all showed main effects for fixture proximity (p>0.001), playing positions (p>0.001) and across different training categories (p>0.001). The greatest high-speed ball releases were observed on a match-day (MD)+1 (17.6 ± 11.9; CI- 16.2 to 19) and MD-2 (16.8 ± 15; CI- 14.9 to 18.7), with MD+1 exhibiting the highest number of ball releases (161.1 ± 51.2; CI- 155.0 to 167.2) and ball release index (145.5 ± 45.2; CI- 140.1 to 150.9) across all fixture proximities. Possessions (0.3 ± 0.9; CI- 0.3 to 0.4) and small-sided games (1.4 ± 1.6; CI- 1.4 to 1.5), had the lowest values for high-speed ball releases with technical (6.1 ± 7.2; CI- 5.7 to 6.6) and tactical (10.0 ± 10.5; CI- 6.9 to 13.1) drills showing the largest high-speed ball releases. CONCLUSIONS Both volume and speed of ball release actions should be measured, when monitoring the technical actions in training according to fixture proximity, drill type and player position to permit enhanced training prescription. |
Files
Anonymised Dataset
(15.3 Mb)
Spreadsheet
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