Study finds brain-muscle link after hamstring strains - University of the Sunshine Coast, Queensland, Australia

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Study finds brain-muscle link after hamstring strains

23 Jun 2021

A USC Exercise Science academic who has worked as a strength and conditioning coach in Brisbane soccer has won a national award for his research that furthers understanding of the brain’s role in how well athletes recover from hamstring injuries.

USC Moreton Bay Lecturer Dr Rob Buhmann, who teaches motor control and learning received the $4,000 early career researcher award at last month’s Exercise and Sports Science Australia conference.

Dr Buhmann’s research, conducted for his recent PhD in Brisbane under the supervision of QUT academics Associate Professor Tony Shield, Dr Gabriel Trajano and Professor Graham Kerr, investigated the neuromuscular function of the hamstring muscle group following strain injuries.

The researchers used non-invasive Transcranial Magnetic Stimulation (TMS) – involving a magnetic coil held near the head – to gauge how neurons in the brain activated or inhibited hamstring muscles.

Study participants included South East Queensland athletes from football codes and track and field events.

“In the study, we found greater levels of input from strength-inhibiting neurons in the brains of players with a history of hamstring strains, compared to those who had never had a hamstring injury,” Dr Buhmann said.

“The results help us to understand the mechanisms contributing to poorer rehabilitation outcomes, such as muscle weakness up to 18 months after an injury.

“This is important because hamstring strains have the greatest incidence and recurrence rates, as well as cumulative time loss across a season, compared to other injuries in running-based sports.”

He said the next step would be to research new ways of alleviating this problem to improve rehabilitation outcomes.

“This could include investigating training methods aimed at improving players’ ability to activate their muscles, such as the intensity, number and frequency of hamstring strengthening exercises,” he said.

Dr Buhmann, a roundball supporter who previously worked with the Brisbane Roar Youth Team, is keeping close watch on the upcoming A-League finals, including following the progress of players like Roar defender Jack Hingert who recently sustained a hamstring injury.

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