Establishing Duration-Specific Running Intensities From Match-Play Analysis in Rugby League

Delaney, Jace A.; Scott, Tannath J.; Thornton, Heidi R.; Bennett, Kyle J.M.; Gay, David; Duthie, Grant M.; Dascombe, Ben J.

doi:10.1123/ijspp.2015-0092

Cited by 70 publications

(91 citation statements)

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“…The present study investigated the acceleration-based running requirements of professional rugby league competition, concurrently with traditional velocity-based methods, using a novel rolling average method 3 . Whilst the duration-specific running demands of rugby league have been investigated previously 3 , the present study was able to describe the elevated accelerated/decelerated running demands of halves and hookers, and the greater Pmet values achieved by halves, hookers and fullbacks when compared to other positional groups.…”

Section: Discussionmentioning

confidence: 99%

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Acceleration-Based Running Intensities of Professional Rugby League Match Play

Delaney¹,

Duthie²,

Thornton³

et al. 2016

International Journal of Sports Physiology and Performance

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113

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Rugby league involves frequent periods of high-intensity running including acceleration and deceleration efforts, often occurring at low speeds. Purpose: To quantify the energetic cost of running and acceleration efforts during rugby league competition to aid in prescription and monitoring of training. Methods: Global Positioning System (GPS) data were collected from 37 professional rugby league players across two seasons. Peak values for relative distance, average acceleration/deceleration and metabolic power (Pmet) were calculated for ten different moving average durations (1-10 min), for each position. A mixed-effects model was used to assess the effect of position for each duration, and individual comparisons were made using a magnitude-based inference network. Results: There were almost certainly large differences in relative distance and Pmet between the 10-min window and all moving averages <5 min in duration (ES = 1.21-1.88). Fullbacks, halves and hookers covered greater relative distances than outside backs, edge forwards and middle forwards for moving averages lasting between 2-10 min. Acceleration/deceleration demands were greatest in hookers and halves compared to fullbacks, middle forwards and outside backs. Pmet was greatest in hookers, halves and fullbacks compared to middle forwards and outside backs. Conclusions: Competition running intensities varied by both position and moving average duration. Hookers exhibited the greatest Pmet of all positions, due to high involvement in both attack and defence. Fullbacks also reached high Pmet, possibly due to a greater absolute volume of running. This study provides coaches with match data that can be used for the prescription and monitoring of specific training drills.

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Section: Discussionmentioning

confidence: 99%

“…Recently, the most intense periods of matchplay have been described, using a moving average method 3 . Briefly, this method applied a moving average to match position-time data to determine the peak relative distance achieved during competition amongst professional rugby league players, for a range of moving average durations.…”

Section: Introductionmentioning

confidence: 99%

Acceleration-Based Running Intensities of Professional Rugby League Match Play

Delaney¹,

Duthie²,

Thornton³

et al. 2016

International Journal of Sports Physiology and Performance

Self Cite

113

View full text Add to dashboard Cite

show abstract

“…Compared with a 10 min rolling average, a large effect was observed for acceleration and decelerations of 1–2 min. A moderate to small effect for 3–7 min duration was also recorded (Delaney et al, 2015). While this approach presents the maximum load of an athlete over varying durations, all acceleration and deceleration measures were modified to estimate the total number of accelerations performed (Delaney et al, 2015).…”

Section: Acceleration Thresholdsmentioning

confidence: 88%

“…The large error of 5 Hz GPS to accurately quantify these movements may account for the difference between playing levels. The deceleration of professional rugby league athletes were investigated during two competitive seasons (Delaney et al, 2015). Differences in the maximum value recorded over a rolling average, from 1 to 10 min in duration, was compared across playing positions (Delaney et al, 2015).…”

Section: Acceleration Thresholdsmentioning

confidence: 99%

“…The deceleration of professional rugby league athletes were investigated during two competitive seasons (Delaney et al, 2015). Differences in the maximum value recorded over a rolling average, from 1 to 10 min in duration, was compared across playing positions (Delaney et al, 2015). Compared with a 10 min rolling average, a large effect was observed for acceleration and decelerations of 1–2 min.…”

Section: Acceleration Thresholdsmentioning

confidence: 99%

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When Is a Sprint a Sprint? A Review of the Analysis of Team-Sport Athlete Activity Profile

et al. 2017

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The external load of a team-sport athlete can be measured by tracking technologies, including global positioning systems (GPS), local positioning systems (LPS), and vision-based systems. These technologies allow for the calculation of displacement, velocity and acceleration during a match or training session. The accurate quantification of these variables is critical so that meaningful changes in team-sport athlete external load can be detected. High-velocity running, including sprinting, may be important for specific team-sport match activities, including evading an opponent or creating a shot on goal. Maximal accelerations are energetically demanding and frequently occur from a low velocity during team-sport matches. Despite extensive research, conjecture exists regarding the thresholds by which to classify the high velocity and acceleration activity of a team-sport athlete. There is currently no consensus on the definition of a sprint or acceleration effort, even within a single sport. The aim of this narrative review was to examine the varying velocity and acceleration thresholds reported in athlete activity profiling. The purposes of this review were therefore to (1) identify the various thresholds used to classify high-velocity or -intensity running plus accelerations; (2) examine the impact of individualized thresholds on reported team-sport activity profile; (3) evaluate the use of thresholds for court-based team-sports and; (4) discuss potential areas for future research. The presentation of velocity thresholds as a single value, with equivocal qualitative descriptors, is confusing when data lies between two thresholds. In Australian football, sprint efforts have been defined as activity >4.00 or >4.17 m·s−1. Acceleration thresholds differ across the literature, with >1.11, 2.78, 3.00, and 4.00 m·s−2 utilized across a number of sports. It is difficult to compare literature on field-based sports due to inconsistencies in velocity and acceleration thresholds, even within a single sport. Velocity and acceleration thresholds have been determined from physical capacity tests. Limited research exists on the classification of velocity and acceleration data by female team-sport athletes. Alternatively, data mining techniques may be used to report team-sport athlete external load, without the requirement of arbitrary or physiologically defined thresholds.

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Physical demands of female collegiate lacrosse competition: whole-match and peak periods analysis

Calder¹,

Duthie

Johnston

et al. 2020

Sport Sci Health

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Establishing Duration-Specific Running Intensities From Match-Play Analysis in Rugby League

Abstract: These findings suggest that the running demands of rugby league fluctuate vastly across a match. Fullbacks were the only position to exhibit a greater running intensity than any other position, and therefore training prescription should reflect this.

Cited by 70 publications

References 0 publications

Acceleration-Based Running Intensities of Professional Rugby League Match Play

Acceleration-Based Running Intensities of Professional Rugby League Match Play

When Is a Sprint a Sprint? A Review of the Analysis of Team-Sport Athlete Activity Profile

Physical demands of female collegiate lacrosse competition: whole-match and peak periods analysis

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