Tracy Hoeg, MD, former Bodor Clinic Fellow and NMRF researcher, recently completed her study on low bone mineral density in ultramarathon runners. As a result of her work, which was partially funded by NMRF,  Dr. Hoeg presented her abstract entitled “Predictors and Prevalence of Low Bone Mineral Density and Bone Stress Injuries in Ultramarathon Runners” at the 2020 Annual Meeting of the American College of Sports Medicine (ACSM). This was a culmination of two years’ work on low bone mineral density and stress fracture prevalence and risk factors in 100 mile ultramarathon runners.

Dr. Hoeg and her team concluded that “bone stress injuries were more common among female ultramarathon runners, whereas low bone density was more prevalent among male ultramarathon runners.” Additionally, higher levels of sex hormones were correlated with higher bone mineral density in women but not men.

The conference was supposed to have been held in San Francisco, May 26-30, 2020, but because of COVID-19 shelter in place orders, the conference went virtual and is available through the ACSM website [ https://www.acsm.org/virtual-experience/virtual-experience-home ] now thru December 31, 2020. Hoeg’s abstract will also be published in the June supplement issue of Medicine & Science in Sports & Exercise (MSSE)

 


Stanford resident, Emily Miller on bone density research

Emily Miller, one of the members of Dr. Hoeg’s research team, was rotating with the Bodor Clinic this past month and discussed with us what she found most interesting about the team’s findings. “Although researchers have known about the correlation between caloric deficiencies and bone density, what is brand new is studying bone density in ultramarathon runners. We also discovered that it is not just a female hormone issue as it has been believed to be. In the athletes we tested, it seemed to be just as big of a problem for male athletes, specifically with ultramarathon runners because of the constant running they do in their training and the rate at which they are burning calories compared to their caloric intake,” explains Miller.

Emily is currently a resident at Stanford Medical Center and hopes to be a future fellow at the Bodor Clinic upon completion of her residency to learn more about spine-related regenerative medicine.

 

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