Spikes in acute workload are associated with increased injury risk in elite cricket fast bowlers

Hulin, Billy T.; Gabbett, Tim J.; Blanch, Peter; Chapman, Paul; Bailey, David; Orchard, John

doi:10.1016/j.jsams.2013.10.229

Cited by 51 publications

(98 citation statements)

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“…However, high workload volumes in overhead sports have been observed to result in greater likelihood of upper extremity overuse injuries when acute increases in workload occurred. 22,23 This is what was observed in the current study, during pre-season volleyball training.…”

Section: Figure 3 Represents the Interaction Between Practices And Gsupporting

confidence: 86%

Volleyball Overhead Swing Volume and Injury Frequency Over the Course of a Season

Wolfe

Poole

Villasante‐Tezanos

et al. 2019

Intl J Sports Phys Ther

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Right click to open a feedback form in a new tab to let us know how this document benefits you.ABSTRACT Background: Overuse injuries are common in volleyball; however, few studies exist that quantify the workload of a volleyball athlete in a season. The relationship between workload and shoulder injury has not been extensively studied in women's collegiate volleyball athletes. Hypothesis/Purpose:This study aims to quantify shoulder workloads by counting overhead swings during practice and matches. The purpose of the current study is to provide a complete depiction of typical overhead swings, serves, and hits, which occur in both practices and matches. The primary hypothesis was that significantly more swings will occur in practices compared to matches. The secondary hypothesis was that greater swing volume and greater musculoskeletal injury frequency will occur in the pre-season than during the season. Study Design: Prospective cohortMethods: Researchers observed practice and match videos and counted overhead serves and attacks of 19 women's collegiate volleyball players for two seasons. Serves, overhead hits, and total swings (serves + hits) were the dependent variables; event (matches and practice) along with position (defensive specialists, setter, outside hitter, and middle blocker) were the independent variables. Musculoskeletal injury frequency and swing volume workload were compared across pre-season and competitive season time periods.Results: Across all positions except outside hitters twice as many total swings occurred in practices compared to matches (p=.002) resulting in an average of 19 (CI 95 16.5, 21.5) more swings in practice than in matches. The average number of total swings during the pre-season 47.1 (CI 95 44.1, 50.1) was significantly greater than average swings per session during the competitive season 37.7 (CI 95 36.4, 38.9) (p <0.001) resulting in a mean difference of 9.4 (CI 95 6.1, 12.7) swings. The number of athletes limited in participation or out due to a musculoskeletal injury during the pre-season (2.9%) was greater than during the season (1.1%) (p=0.042). Conclusion:These findings support the primary hypothesis that women's collegiate volleyball athletes swing more during practices than in matches. The higher average number of serves in the pre-season and the greater frequency of musculoskeletal injuries requiring participation restriction or removal from participation suggest that a concordant relationship may exist between workload and injury variables. Level of Evidence: 2

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Section: Figure 3 Represents the Interaction Between Practices And Gsupporting

confidence: 86%

Volleyball Overhead Swing Volume and Injury Frequency Over the Course of a Season

Wolfe

Poole

Villasante‐Tezanos

et al. 2019

Intl J Sports Phys Ther

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“…Indeed an off-season break may decrease a player's ability to withstand workloads when returning to pre-season training. 26 Additionally, chronic workloads can protect against injury in cricket fast bowlers, 27 and during congested fixture periods in rugby league players. 28 Collectively these studies suggest that the accumulation of higher chronic contact workloads may protect against contact injury.…”

Section: Discussionmentioning

confidence: 99%

Wearable microtechnology can accurately identify collision events during professional rugby league match-play

Hulin

Gabbett²,

Johnston

et al. 2017

Journal of Science and Medicine in Sport

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Objectives: Collision frequency during rugby league matches is associated with team success, greater and longer lasting fatigue and increased injury risk. This study researched the sensitivity and specificity of microtechnology to count collision events during rugby league matches. Design: Diagnostic accuracy studyMethods: While wearing a microtechnology device (Catapult, Optimeye S5), eight professional rugby league players were subjected to a total of 380 collision events during matches. Video footage of each match was synchronised with microtechnology data. The occurrence of each collision event was coded in comparison with whether that event was or was not detected by microtechnology.Results: Microtechnology detected 371 true-positive collision events (sensitivity = 97.6 ± 1.5%). When low-intensity (<1 PlayerLoad AU), short duration (<1 second) events were excluded from the analysis, specificity was 91.7 ± 2.5%, accuracy was 92.7 ± 1.3%, positive likelihood ratio was 11.4 ×/÷ 1.4 and the typical error of estimate was 7.8% ×/÷ 1.9 (d = 0.29 ×/÷ 1.9, small). Microtechnology collisions 2 were strongly and positively correlated with video coded collision events (r = 0.96). The ability of microtechnology to detect collision events improved as the intensity and duration of the collision increased. Conclusions:Microtechnology can identify 97.6% of collision events during rugby league match-play.The typical error associated with measuring contact events can be reduced to 7.8%, with accuracy (92.7%) and specificity (91.7%) improving, when low-intensity (<1 PlayerLoad AU) and short duration (<1 second) collision reports are excluded. This provides practitioners with a measurement of contact workload during professional rugby league matches.

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“…(including recovery and rehabilitation sessions) were estimated using the modified Borg CR-130 within 30 minutes of completing the match or training session 16 players' ability to produce maximal velocity was also tracked in relative terms by expressing the same period (previous 4-week average acute workload) 19 . .…”

mentioning

confidence: 99%

High chronic training loads and exposure to bouts of maximal velocity running reduce injury risk in elite Gaelic football

Malone

Roe

Doran

et al. 2017

Journal of Science and Medicine in Sport

179

148

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High chronic training loads and exposure to bouts of maximal velocity running reduce injury risk in elite Gaelic football.http://researchonline.ljmu.ac.uk/4138/ Article LJMU has developed LJMU Research Online for users to access the research output of the University more effectively. Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Users may download and/or print one copy of any article(s) in LJMU Research Online to facilitate their private study or for non-commercial research. You may not engage in further distribution of the material or use it for any profit-making activities or any commercial gain.The version presented here may differ from the published version or from the version of the record. Please see the repository URL above for details on accessing the published version and note that access may require a subscription.

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Spikes in acute workload are associated with increased injury risk in elite cricket fast bowlers

Cited by 51 publications

References 0 publications

Volleyball Overhead Swing Volume and Injury Frequency Over the Course of a Season

Volleyball Overhead Swing Volume and Injury Frequency Over the Course of a Season

Wearable microtechnology can accurately identify collision events during professional rugby league match-play

High chronic training loads and exposure to bouts of maximal velocity running reduce injury risk in elite Gaelic football

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