A word muscle dates from Latin, musculus, literally meaning of 'a little mouse', so called because the shape and movement of some muscles (notably biceps) were thought to resemble mice.
When our movements are unnatural, the first thing we need to do is to evaluate the movements of all joints in the body. If you experience restriction or pains in certain movements, you need to check the associated muscle problem at that motion. Even though our body functions partially, it is also organically connected, so the problem in a specific part may be owing to occurring on a distant place that does not directly seem to be related. This perspective starts from the philosophy of web of life. Web of life, the way of seeing muscle-chains as a whole