Hip strengthening exercises performed by female runners not only significantly reduced patellofemoral pain - a common knee pain experienced by runners - but they also improved the runners' gaits, according to Indiana University motion analysis expert Tracy Dierks.



"The results indicate that the strengthening intervention was successful in reducing pain, which corresponded to improved mechanics," said Dierks, associate professor of physical therapy in the School of Health and Rehabilitation Sciences at Indiana University-Purdue University Indianapolis. "The leg was going through more motion, suggesting that the (pain) guarding mechanism was reduced, and coordination or control of many of these peak or maximum angles in the leg were improved in that they were getting closer to occurring at the same time."



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