I Got a Lower-body MRI: Here's What it Told Me about My Muscle Mass

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Recorded15 Jan 2025

Publisherapi.substack.com ↗

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In this episode, I sit down with Brian Heiderscheit , a professor in the Department of Orthopedics and Rehabilitation at the University of Wisconsin-Madison and director of the Badger Athletic Performance program. Brian also collaborates with Springbok Analytics, a company specializing in advanced full-body MRI scans. Together, we discuss my recent experience with a Springbok scan, how MRI data is revolutionizing athlete performance analysis, and actionable insights for reducing injury risks and improving training outcomes.Key Topics Covered:* Introduction to Springbok Analytics: Overview of their advanced MRI technology and its application in research and athletic training.* Brian’s Background: Insights into his role at UW-Madison and collaborations with Springbok Analytics on research initiatives, including a grant with the NFL.* My MRI Experience:* The scanning process, which takes 10-15 minutes.* Analysis of over 74 muscles rendered in 3D.* Comparison to population norms and evaluation of muscle size, asymmetry, and fat infiltration.* Key Findings from My Scan:* Notable asymmetry in muscle size between the left and right legs.* Larger left-side muscles, likely due to targeted rehabilitation post-injury. My left semitendinosus and other hamstrings were larger, while the right biceps femoris was bigger by about 10%.* Smaller right-side plantar flexors (e.g., soleus, gastroc) compared to the left, with a 7% size difference in the soleus. These findings align with subjective feelings of less power on the right side during runs.* My quadriceps showed strong development, particularly on the left, with right-side muscles slightly smaller.* Fat infiltration analysis, showing low levels typical of an active individual, with slight increases in the quadratus lumborum.* Actionable Insights for Athletes:* Targeted strength training to address imbalances, particularly focusing on the right-side soleus and quadriceps.* The potential value of pairing MRI data with gait analysis for a comprehensive view of biomechanics.* Using follow-up scans to evaluate the effectiveness of training programs.* The Role of MRI in Longitudinal Tracking:* Establishing a baseline for future comparison.* Monitoring recovery from injury or changes in training plans.* Brian’s Recommendations:* Adjust training to improve right-side strength, especially in the soleus and hamstrings.* Consider integrating gait analysis to identify asymmetries during running.Resources Mentioned:* Springbok Analytics: springbokanalytics.com* Badger Athletic Performance Program: BAP at UW-Madison* Brian Hederscheidt’s Google Scholar Profile for published research This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.physiologicallyspeaking.com/subscribe

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