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-1

I'd definitely need to read the whole article to be 100% this proves bigger muscles are more resistant to stretching, but judging only from the abstract of this review (http://www.clinbiomech.com/article/S0268-0033(00)00061-9/abstract) this seems to be the case: "...passive extensibility is influenced by the size (mass) and length of muscle ...


1

I have managed to find a study (http://jap.physiology.org/content/89/1/81) where they measured the skeletal muscle mass of lower and upper body. Their sample was "large and heterogeneous" (468 people) so it's probably safe to say this table represents the average numbers (in the "All women" and "All men" rows): *SM stands for skeletal muscle. However, I ...


0

Back of the envelope calculation: I assume your weight is 75kg, you workout intensely for 16 min and 30 secs, this would amount to about 190 kcal (compared to running which is about 10*BW kcal/hour) "A well-nourished adult can store approximately 500 grams or 2000 kcal of carbohydrates. Of this, approximately 400 grams are stored as muscle glycogen, ...


-1

According to this study (http://ajpendo.physiology.org/content/275/2/E249) our muscle tissue is responsible for about 22% of calories burned during rest (resting metabolic rate or RMR). Now, if I assume a resting metabolic rate of 1700 calories per day - a number pretty close to the actual RMR's measured in the study...then the number of calories burned by ...


2

Here's a study (http://link.springer.com/article/10.1007/BF00422734) on intense and prolonged, heavy-resistance exercise of leg muscles (so with weights, not just body weight), and after repeating intense sets of different leg muscle exercises - the glycogen levels in the muscles weren't even halved - so while this study doesn't directly prove it - I don't ...


2

Mycoprotein is a plant-based protein that carries a strong/full amino acid profile. It is supposed to be better for you because there is no cholesterol and is rich in vitamins and minerals. Your question, however, is will this specific kind of protein improve performance in swimming or muscle development? In short, yes, but in general no, and let me ...


0

Sometimes, this does go away if you train the muscle with weight so your nerves and muscle fibers can work better together. (personal experience) Another possible cause for painfully tight flexing is an overshortened muscle. Muscles that cross two joints enter active insufficiency when both joints are flexed together. For example, if you flex your bicep by ...


5

The soreness that you experience is called Delayed Onset Muscle Soreness (DOMS). So by definition it is delayed. What causes it? When you exercise, the muscles get damaged. That damage is a signal for the muscle to grow and get stronger. That signal stimulates inflammation. Any inflammatory process produces local pain. Why is it delayed? It takes a day ...



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