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In general, yes. Girls and boys are about equal in muscle mass until they hit puberty. Boys' testosterone levels shoot up, causing them to gain muscle (muscular hypertrophy.) Girls instead experience a rise in estrogen levels, which increases body fat, especially around the pelvis, but no large increase in muscle mass, beyond that of normal growth.
However, that is not to say that all men have more muscle mass than women. If you were to compare people individually, you would find that some women have more muscle mass than some men. Men have a natural advantage to gain and retain muscle because of higher testosterone levels, which is why in general, they have higher muscle mass than women.
Also around puberty, when males' testosterone level increases, it can make males more aggressive and agitated easier. I don't know the logic as of why being aggressive make males have a bigger body mass, it just does. You can also see this difference in almost all species, except for Bugs and some birds.
Another reason is because of adaptation. People say that in Primitive times, the males were the warriors and hunters, while the females tended to the young. Than in the more civilized times, men did the heavy lifting jobs,hunting small and big game, or the more violent jobs where you need to be strong, such as a soldier, slaver, or conquering. Women did the house keeping, cooking, and continued to look after the young. sometimes due to religion, society, because they feared prejudice from their fellow women who did the house work, or in some cases, the male wanted to look tough to his fellow men, other women, or his wife. So many life times of that lead to the males adapting to be generally stronger than women. Now that's not to say women couldn't have done all the things men did than, and they could.
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Can girls have more muscle mass than boys?
Yes, have you seen on the women American Gladiators those girls are huge.
Do girls or boys have more muscle mass?
Usually boys have more muscle mass than girls, but I did once see a women put the men to shame in a competition by doing 61 sit-ups in a minute (i'm male, by the way).
Does a wolf have more muscle and bone density and mass than a human?
yes. wolves have more muscle and bone density/mass than the strongest male humans
How can you have a borderline underweight BMI but an above average body fat percentage?
Easy. It's known as skinny fat. Caused by having very little muscle mass. Muscle weighs more than fat so the bmi would be much higher if there more more muscle. More common in women, who tend to have higher percentage body fat and lower muscle mass than men naturally.
Why do women float better than men?
Women tend to have a higher fat: - muscle ration than men do, and fat is also more buoyant than muscle.
Why are men quicker than women?
Men are quicker than women because men have more muscle.
Can women gain muscle when they lift weights?
Yes. Women sometimes find it more difficult to build muscle than men because women's bodies naturally hold more fat than men's.
How much more Muscle in men than women?
I think it must be more than woman has
Why are women weak?
Women, on the contrary are not weak. They may have less muscle mass than men do, and have a harder time building muscle mass because they do not have as many steroid-type hormones as men, but for their size, they are actually pretty strong.
Why do boys need more protein than girls?
to build more muscle mass
Why boys need more protein than girls?
to build more muscle mass
What attributes do muscle women have?
Muscle women have similar attributes to average everyday women. They just have more bulk on their muscles than the average woman and are more toned. Some of these women have even more bulk then a lot of men do.
