Bones and sinews are chariots and forces for the inner aspects of the body and soul. The sinews are the aspect of soul level Neshama of the garment. The bones have the aspect of the level of Chaya of the garment. Bones and sinews are garments to the supernal man that is inner of the garments.
As explained before, the man in the lower world is the soul that is in the body. The garments below are like the ones above. Bones and sinews represent different forces. The flesh that covers bones and sinews is another secret that connects above. The skin covers and protects all from the outside.
The skin is like the sky that is above all. On it, there are markings that conceal many secrets. These markings have the aspects of the planets and constellations that were installed in the heavens. The people with a wise heart can read the markings and look into the inner secrets of man.
“נִלְאֵית בְּרֹב עֲצָתָיִךְ יַעַמְדוּ נָא וְיוֹשִׁיעֻךְ הברו [הֹבְרֵי] שָׁמַיִם הַחֹזִים בַּכּוֹכָבִים מוֹדִיעִם לֶחֳדָשִׁים מֵאֲשֶׁר יָבֹאוּ עָלָיִךְ.”
“Let now the astrologers, the stargazers, And the monthly prognosticators Stand up and save you From what shall come upon you.”
Our body is 99% space, which means that our senses deceive us. What we see as the corporeal presence of the body is actually forces of energy ‘locked’ in a form determined by the soul that keeps all the elements of the body together. When the soul leaves the body all elements break down.
The secrets of the soul are ‘registered’ on the skin of the body, especially on the palms of the hands and the face where there are expressions of the Ten Sefirot.