The quantification of acceleration events in elite team sport : A systematic review

Journal article


Delves, Robert I. M., Aughey, Robert J., Ball, Kevin and Duthie, Grant M.. (2021). The quantification of acceleration events in elite team sport : A systematic review. Sports Medicine - Open. 7(1), p. Article: 45. https://doi.org/10.1186/s40798-021-00332-8
AuthorsDelves, Robert I. M., Aughey, Robert J., Ball, Kevin and Duthie, Grant M.
Abstract

Background
Wearable tracking devices are commonly utilised to quantify the external acceleration load of team sport athletes during training and competition. The ability to accelerate is an important attribute for athletes in many team sports. However, there are many different acceleration metrics that exist in team sport research. This review aimed to provide researchers and practitioners with a clear reporting framework on acceleration variables by outlining the different metrics and calculation processes that have been adopted to quantify acceleration loads in team sport research.

Methods
A systematic review of three electronic databases (CINAHL, MEDLINE, SPORTDiscus), was performed to identify peer-reviewed studies that published external acceleration load in elite team sports during training and/or competition. Articles published between January 2010 and April 2020 were identified using Boolean search phrases in relation to team sports (population), acceleration/deceleration (comparators), and competition and/or training (outcome). The included studies were required to present external acceleration and/or deceleration load (of any magnitude) from able-bodied athletes (mean age ≥ 18 years) via wearable technologies.

Results
A total of 124 research articles qualified for inclusion. In total, 113/124 studies utilised GPS/GNSS technology to outline the external acceleration load of athletes. Count-based metrics of acceleration were predominant of all metrics in this review (72%). There was a lack of information surrounding the calculation process of acceleration with 13% of studies specifying the filter used in the processing of athlete data, whilst 32% outlined the minimum effort duration (MED). Markers of GPS/GNSS data quality, including horizontal dilution of precision (HDOP) and the average number of satellites connected, were outlined in 24% and 27% of studies respectively.

Conclusions
Team sport research has predominantly quantified external acceleration load in training and competition with count-based metrics. Despite the influence of data filtering processes and MEDs upon acceleration, this information is largely omitted from team sport research. Future research that outlines acceleration load should present filtering processes, MEDs, HDOP, and the number of connected satellites. For GPS/GNSS systems, satellite planning tools should document evidence of available satellites for data collection to analyse tracking device performance. The development of a consistent acceleration filtering method should be established to promote consistency in the research of external athlete acceleration loads.

Keywordsacceleration; data filtering; activity profile; deceleration; wearable technology; athlete tracking; microtechnology; athlete loads
Year2021
JournalSports Medicine - Open
Journal citation7 (1), p. Article: 45
PublisherSpringerOpen
ISSN2199-1170
Digital Object Identifier (DOI)https://doi.org/10.1186/s40798-021-00332-8
Scopus EID2-s2.0-85109007301
Open accessPublished as ‘gold’ (paid) open access
Research or scholarlyResearch
Page range1-35
Publisher's version
License
File Access Level
Open
Output statusPublished
Publication dates
Online30 Jun 2021
Publication process dates
Accepted30 May 2021
Deposited25 Oct 2021
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