What stretching actually does to your body ft. Sofie Dossi | Summary and Q&A

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March 31, 2018
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Physics Girl
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What stretching actually does to your body ft. Sofie Dossi

TL;DR

Stretching increases flexibility by changing the water content in muscles, modifying sensation to pain, down regulating reflex loops, and adding length to muscle fibers.

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Questions & Answers

Q: What is the difference between hypermobility and flexibility?

Hypermobility is a scientific term used to describe individuals with more stretchy collagen, such as type III collagen. Flexibility refers to the ability to stretch muscles, tendons, and ligaments.

Q: Can stretching change the material properties of our tissues?

Yes, stretching can change the water content in our tissues and induce stem cell differentiation, leading to modifications in collagen production and other connective tissues.

Q: How does stretching affect pain sensation?

Through repeated stretching, we can desensitize ourselves to mild pain associated with stretching. This allows us to experience a good stretch without discomfort.

Q: What happens to muscle fibers when we stretch?

Stretching can add length to muscle fibers by adding sarcomeres, which are contractile units responsible for muscle contractions.

Summary & Key Takeaways

  • This video explores the science behind stretching and its effects on the body.

  • People who are hypermobile have a different material makeup in their tissues, allowing them to be more flexible.

  • Stretching can change the water content in muscles, induce stem cell differentiation, down regulate reflex loops, and add length to muscle fibers.

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