The Science of Muscle Hypertrophy - The Role of Satellite Cells (Part I) 

Hi Sean, thank you very much for taking time to leave this positive comment. I am really pleased that the information comes across well. I hope to keep a similar approach for future videos.

Hi Lee, thank you very much for this comment. I am learning while doing these videos so it's great to get this feedback. Pubmed is a great source of scientific information, so keep up the reading and your quest for knowledge.

Thanks Matthew. Very pleased you found it beneficial.

Hi Steve, thanks for taking time to leave this nice comment. I am pleased that the information is being applied to your training. I hope your training is coming along nicely. Keep an eye out for my new strength training video to be releases very shortly.

Your welcome Emma! :)

I am pleased the video was useful to you!

Thanks Kamala. All the best with your studies.

Thanks for leaving this positive comment Dima :)

I am pleased you found it useful Arpita!

Thanks for this comment. I have made a separate video discussing those steps in more detail. See here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-zpZ-AqlX_Rs.html

Hi Doug, this is a very good question. My understanding is that the genetic material is identical, but that the instruction of whether a new myotube is created or whether existing cell is replicated is likely to depend on various other physiological factors in the muscle such as hormone concentrations, blood vessel formation, nerve innervation, nutrition, and the amount of muscle damage. As such, it is hard to pinpoint whether the genetic material changes or favors larger muscles. This article is a VERY LONG READ, but may be useful about providing scientific information about this remarkable cell: www.ncbi.nlm.nih.gov/pmc/articles/PMC4073943/

Thanks Rahul! All the best with your training.

Thanks!

🥜

Thanks - more videos coming soon!

Hi Fiachra, yes your understanding is generally correct and you have summarised the key points well. In general, the two processes of hypertrophy in video 2 are likely to be inter-related and affected greatly by the type of training stimulus.

Myo fibers (cells) not same as myofibrils ( bundles of sarcomeres)

You are right in some sense, but the hypertrophy isn't actually directly linked to just an increase number of myofibrils. One muscle fiber can have very few myofibrils and have large size of sarcoplasmic reticulum and mitochondria. If you can understand the basics of hypertrophy, then it'll be very easy to know that there are two types of hypertrophy: the first is the myofibrillar hypertrophy and the second is the sarcoplasmic hypertrophy. What you were saying about the increase number of myofibrils is very much similar to myofibrillar hypertrophy, and an example of people who don't have much muscles but are so strong are strongmen, powerlifters, calisthenics enthusiasts, gymnastics, and a lot more. But everything can be clarified in what you said like to what degree of hypertrophy are you talking about? Are you talking about the hypertrophy of Ronnie Coleman who is a bodybuilder or the hypertrophy of Eddie Hall who is a strongman? I'm pretty sure that strongmen also have muscles inside but they're not just visible because they need some fat to make the lift proportional to their bodyweight and also they need fat for energy stores. In conclusion, I can say that hypertrophy isn't really an equal addition of increase of myofibrils and increase of cellular fluid or sarcoplasmic reticulum because the sarcoplasmic hypertrophy states that the fluid is greater than the amount of myofibrils.

This video should help clarify this point: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-zpZ-AqlX_Rs.html

My pleasure!

Thank you for taking time to leave this feedback. Your right about quiescent - sometimes spelling, talking and thinking creates these odd spellings on the board! My apologies. I will try to make the marker writing larger in future videos. This is exactly the type of feedback I need to make these videos as beneficial as possible to you all.

+Human Physiology Video Tutorials - Dr Aamer Sandoo Likewise - I appreciate the reply. I think the markers were small but visible when I switched to a desktop. On a mobile (wifi hi res) MYOFIBER was readable. Everything else was a struggle. Looking at the set up you had there (distance of camera and framing), any text smaller than your thumbs final knuckle to tip length is going to be tough to read. About the size of the distance of your thumbs two knuckles would be ideal for small text. Couldn't think of any other 'handy' sizing guide so... rule of thumb? :-) I'm clean out of puns. Hope that helps and keep the content coming.

Thanks Budo. I will try the approach you suggested in future videos. I may also consider having graphics cut into shot now that I have access to better video editing software. Thanks again and all the best in your learning.

I am sorry, I do not understand this question. Could you rephrase, and I will try my best to answer it.