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Barbell Medicine Podcast

Episode #259: How Fast Are Strength And Size Lost?

Dec 8, 2023
25:28
Snipd AI
Exploring muscle and strength loss when ceasing to work out, including definitions of strength and adaptations, as well as sarcoplasmic hypertrophy. Discussing the negative impact of bedrest, increase in calorie intake from eating out, and introducing Factor for convenient meals. Exploring the immediate and secondary loss of strength and muscle size after injury and the effects of stopping exercise. Exploring mechanisms of muscle atrophy during inactivity and the concept of muscle memory.
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Podcast summary created with Snipd AI

Quick takeaways

  • Hypertrophy, the increase in muscle size, predominantly occurs through an increase in muscle fiber size rather than hyperplasia.
  • Muscle strength tends to recover within the first three days after injury, although the timeline for full recovery may vary.

Deep dives

How Strength and Muscles Are Gained

Strength is the result of structural and neurological adaptations, including muscle fiber growth, tendon stiffness, increased electrical signal frequency, motor unit recruitment, and improved efficiency and coordination. Hypertrophy, the increase in muscle size, predominantly occurs through an increase in muscle fiber size rather than hyperplasia. Mechanical tension, generated by resistance training, is essential for muscle growth.

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