High-speed running increase puts hamstrings at risk

High-speed running increase puts hamstrings at risk
Dr Anthony Shield and PhD researcher Steven Duhig found AFL players who rapidly increased the amount of high-speed running above their 2-year average increased their risk of hamstring injury. Credit: Queensland University of Technology

AFL players who quickly increase the amount they run at high-speed are at greater risk of hamstring injuries, QUT research has found.

The study used GPS data to track how much footballers from the Gold Coast SUNS ran at high-speed in training and matches over the 2013 and 2014 seasons. It revealed players who rapidly increased the amount of high-speed running above their 2-year average increased their risk of .

However more experienced players were less likely to suffer hamstring injuries.

QUT PhD researcher Steven Duhig and Dr Anthony Shield, from QUT's School - Exercise and Nutrition Sciences, led the study, published in the British Journal of Sports Medicine.

"A hamstring strain is one of the most common injuries in AFL and this is the first study to investigate relationships between them and athlete running distances," Mr Duhig, who is also Gold Coast SUNS Academy High Performance Manager, said.

"We found players who ran significantly more than their average in the four weeks prior to injury had a greater risk of hamstring injury strain than players who remained on their usual workload.

"The final week of the four-week period leading up to the injury was crucial in determining the risk of injury. This should serve as a warning to players and coaches that sudden unaccustomed increases in high-speed running loads can quickly put players out of action."

The researchers documented each player's hamstring injuries and worked out average running distances for each session over the two years they were monitored. When comparing between injured and uninjured players in the four weeks preceding each injury, they found higher than typical high-speed running sessions were more likely to lead to hamstring injuries.

Dr Shield said the findings were further evidence against rushing players back from injury.

"After injury, for a player to suddenly return to the level of others in the group is a potential problem," he said.

"Even if it's not a hamstring injury, but any injury that has reduced a player's high-speed running. It's not about how much running you do but how quickly you change how much running you do.

"So the best advice is to gradually build up high-speed on return from ."

Mr Duhig said it was interesting to find players with less experience were more at risk than veterans.

"There are a few reasons that could explain this. It may be older are monitored more closely, or perhaps they have built up resilience against the high training loads they are exposed to and therefore able to cope," he said.


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More information: Steven Duhig et al. Effect of high-speed running on hamstring strain injury risk, British Journal of Sports Medicine (2016). DOI: 10.1136/bjsports-2015-095679
Citation: High-speed running increase puts hamstrings at risk (2017, February 6) retrieved 16 July 2019 from https://medicalxpress.com/news/2017-02-high-speed-hamstrings.html
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