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And what is the relationship of muscle to bone? Through its ability to contract or shorten itself, the muscle brings two bones into a new angular relationship.. ..The position of two bones toward each other must change if the muscle so decides. Bones give support to the total organism; also when in motion. Muscles have a higher function because they act beside each other. One bends, the other stretches. One bone alone achieves nothing.
— PAUL KLEE