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Siim Land Podcast

#431 The Second Most Important Muscle In Your Body and How to Train It - Marc Hamilton PhD

Dec 13, 2024
Marc Hamilton, a biology and biochemistry professor at the University of Houston, discusses the often-overlooked soleus muscle and its crucial role in glucose metabolism. He reveals insights from his research on the energy-efficient properties of the soleus and how it affects overall health. Listen in as he introduces the soleus push-up, a unique exercise designed to engage this muscle effectively. Marc highlights the importance of continual movement to combat sedentary lifestyles and offers tips for maximizing metabolic function through simple exercises.
01:16:03

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Quick takeaways

  • The soleus muscle significantly enhances metabolic activity, using 300% more energy than muscles engaged during traditional exercises.
  • Prolonged sitting reduces muscle metabolism and health benefits, making integration of movements like the soleus push-up essential.

Deep dives

The Power of the Soleus Muscle

The soleus muscle has been found to use approximately 300% more energy than muscles engaged during traditional treadmill exercises. Specifically, the soleus push-up, a movement specifically targeting this muscle while seated, is able to enhance metabolic activity significantly. In a study, it was revealed that contracting the soleus while sitting could lower blood sugar levels by 52% after an oral glucose challenge. This highlights the muscle's unique metabolic properties, allowing it to contribute greatly to overall health without the fatigue commonly associated with other muscles.

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