Muscles do not "push". That is, their power comes from shortening (pulling) rather than lengthening (pushing). The human body -- as with most animal bodies -- is organized with groups of muscles that oppose each other, enabling us to push and pull and twist (and shout) -- but each muscle's primary force comes from shortening.
If you mean muscles (rather than shellfish known as mussels) then yes, they are, because that's what meat is. But they are not allowed some types of meat, I believe.
None, I'm just that good
Everyone is born with a genetically predetermined allowed amount of muscular fibers. The size and shape of your unchangeable number of muscles simply depend upon the amount of use.
Humans have muscles that move their ears because they are remnants of evolutionary adaptations that allowed our ancestors to better detect sounds and communicate non-verbally.
The muscles that you control to do activities are your voluntary muscles. They allowed you to type this question, to read the web page, and do all sorts of other things.
They had bigger muscles than modern humans, and they had an expanded ribcage, which allowed for larger lungs.
There is no set amount of press ups that a person is allowed to do in a day. A person can do as many press ups as their body will allow them to do. You do not want to over do it because you could strain your muscles.
Because it allowed surgeons to operate without having patients screaming, writhing and having tense muscles to cut through.
These muscles are called "skeletal muscles".
Skeletal muscles.
which trunk muscle allows you to adduct your arms? which shoulder muscle allowed you to adduct your arm? which trunk muscle allows you to elevae your shoulders?
No, WWE superstars are not allowed to use drugs of any kind