Christophany's picture
Christophany
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Muscle Protein Synthesis

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I haven't contributed much to this site lately--not that I have ever been big contributor. I did come across a scientific article regarding bodily response to muscle protein synthesis (MPS) post-workout, and I thought at least some members might find the study informative. I was surprised to learn, for example, that insulin had little-to-no effect on MPS post-workout, if protein ingestion was adequate (i.e. around 40 grams), according to the study. That basically scrapped much of what I thought I knew about carb-backloading, insulin and nutrient timing. Also, resistance exercise automatically increases MPS for a period of up to 72 hours post-workout, peak increases being seen at around the 24-hour mark.

Anyhow, the article explains the study much better than I can.

~Cheers!

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3381813/

Immortaltech's picture

Could someone summerize the study i’ve read the whole article but couldnt rly sum it

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Christophany's picture

According to the study, ingestion of high glycemic carbohydrates post-workout is unnecessary per the measurements taken of participants ingesting an adequate amount of protein (around 40 grams)--muscle protein synthesis rates were identical to those ingesting carbs post-workout. That pokes a hole in the theory of carbohydrate backloading. In other words, this study changes the way one should look at nutrient timing. Glycogen can evidently be replaced in the muscle stores without the need for high glycemic carbs. That's my understanding of the study, anyway.

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dextetherdog's picture

Thank you

Sam I Am's picture

Good info.

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