you don't use it you waste it and if you all or use it you can break it and it does apply to every fanshen and every organ in your body if you use your muscles they are going to develop and to be stronger and larger if you do not use them you are going to ways then and if you all are used then you can develop pain due to an injury or two broken many of my patients who have to sit because they are working in a sitting position are they doing something wrong they do not have to see if they decide to see it for example you can stand up every five or ten minutes and just walk around the table you are not forced to see it the whole time and meanwhile there are other means to see it for example you can use a ball a huge ball and sit on it and your stent in continuously trying to compounds the movement and to find your center since it is aggressively that you are extremely active you can also be tired after one hour because you are moving so much if you don't if you are always in this position your muscles are we sure are going to be shorter this group of the muscles and the muscles on your back