✨This is my best attempt at simplifying how smooth muscle contracts and relaxes. I talk about the different ways calcium enters the cell, the steps of contraction and relaxation and a little bit about some of the special features. I hope it helps! ☀

What's in this video?
0:00 Intro
0:09 Skeletal Muscle Recap
2:02 Smooth Muscle Calcium Entry
6:51 Smooth Muscle Contraction
9:10 Smooth Muscle Relaxation
10:05 Special Features (LatchBridges, Stress Relaxation)
11:16 Regulation of contraction

✨ Other videos you may need:
Structure of Smooth Muscle :    • Structure of Smooth Muscle | Types of...  
Structure of Skeletal Muscle:    • Structure of Skeletal Muscle | Skelet...  
Structure of a Sarcomere:    • Structure of a Sarcomere | Actin and ...  
Neuromuscular Junction:    • Neuromuscular Junction | NMJ | Neurom...  
NerveMuscle Physiology :
   • Nerve & Muscle Physiology  

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Factual References & for Further Reading:
Guyton and Hall Textbook of Medical Physiology
Ganong’s Review of Medical Physiology
Boron and Boulpaep Medical Physiology
Costanzo’s Textbook of Physiology
Openstax Anatomy and Physiology
https://openstax.org/details/books/an...
Openstax Biology
https://openstax.org/details/books/bi...
(The last two are links to opensource references. They are NOT affiliate links)

Note:
These are just a collection of my notes. So use them the way you would use borrowed notes from a friend.
The images in this video are handdrawn for illustration and explanation only.✍ Hence, they may not be anatomically accurate. I am just one person making these videos. If there are any errors, that is unintentional. I try super hard to avoid them. Please let me know if you find any, so it gets clarified for other viewers. Science constantly evolves and changes. New discoveries are made everyday. So some of the information in these videos may become outdated. If you notice that, please let me know so I can update them.










⚡Disclaimer:
These videos are NOT a substitute for a medical textbook. Textbooks are written by experts (which I do not claim to be), edited, proofread and referenced. Please use them.
The information has been sourced from multiple references as mentioned above. I draw all the pictures myself. But if I have inadvertently infringed on any copyright, that is completely unintentional. I only make these videos to impart education. If I have accidentally violated copyright in any way, do let me know so I can make the necessary changes or give credit to anyone who is owed the same.
These videos are NOT intended for patient education. They are NOT a substitute for diagnosis and treatment by a licensed medical professional. Always seek the advice of a qualified health care provider for any questions you may have regarding any medical condition, so that they can address your individual needs.

They are ONLY meant to help students of medicine and health sciences with studying, and should be used for just that purpose and absolutely nothing else.


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