Pain and painless in palpation are most often raising in a few factors influences..

Activity for damaged muscle, her stretching, tension, pressing on trigger point, long muscle  shortening, reducing, repeating within a long time, cold raw weather, stress.

Inside ache as in inside organs having, as ache inside receptors are having in organs, and cavities, as from a such organ goes an inside ache, as a not simple to define, as a few organic inside damages are attribution aches, where are feels attributing to body side,and connecting to a body damaging, as ache in heart reflecting in a breast on medial hand surface, here talks about a reflecting ache and trigger points are reasons for reflecting ache, but trigger points causing a weak ache muscles ,where are display on a importance size from such points. And symptoms weak after a short stage for light activity, with rest,wave, same passive muscles stretching,as in wet compress applies.