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Protein powders (aka protein shakes) are commonly believed to help build muscle. A recent review published in The British Journal of Sports Medicine looked at whether protein supplementation led to improvement in muscle mass and strength.
Researchers found that protein supplementation did have a positive effect on strength, muscle size and fat-free mass (aka lean body mass). Improvement in strength was measured using 1-rep max strength. The group that received protein supplementation had an additional benefit of 9% (2.49kg) in their 1 Rep Max when compared to those who didn't consume a protein supplement. Also, the protein group had a 1.4kg gain in fat free mass compared to the control group which had a 1.1kg increase.
For professional athletes, every bit of strength counts. This study recommends an upper limit of 2.2g/kg/day of protein intake for serious athletes. But for the rest of us, protein shakes do help a bit, but not as much as getting to the gym and actually doing the work.
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Average protein intake in the general population:
Many people in high income countries easily exceed the RDA of protein intake without even trying. In the following study from the US, Figure 1C and Table 1 show that the average American adult is consuming somewhere between 1 to 1.5 grams of protein per kilogram of ideal body weight, with some variation depending on age group and gender: academic.oup.c...
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Timestamps
0:00 Intro
0:34 How our bodies build muscle
0:58 Muscle Hypertrophy
1:57 Protein powder supplementation in addition to diet
3:24 Signficance of protein supplementation
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Full Article from British Journal of Sports Medicine: bjsm.bmj.com/c...
Other references for this video:
www.statista.c...
www.betterheal...
Guyton and Hall Textbook of Medical Physiology (12ed)
#protein #fitness #docunlock
Full transcript: www.docunlock....
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Video credits:
Certain illustrations adapted from www.svgrepo.com/ and www.freepik.com/ (pikisuperstar / brgfx / iconicbestiary / Freepik)
Music:
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So Jazzy by Peyruis / peyruis Music promoted by Audio Library • So Jazzy - Peyruis (No...
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