Principles and practice of spinal adjustment; for the use of students and practitioners . ffer-ence in the mobility of one vertebra upon the other, it is evi-dent that, when a slight displacement of one vertebra uponanother is brought about in a cat, it is at once rectified, whilein man it tends to persist. Many diseases and conditions peculiar to the human be-ing have been proven beyond doubt to be dependent uponthe vertical position assumed during his waking hours. Theseconditions are analogous to those which occur, for the samereason, in the spine. Thus we may consider, for example,hemorrho
Principles and practice of spinal adjustment; for the use of students and practitioners . ffer-ence in the mobility of one vertebra upon the other, it is evi-dent that, when a slight displacement of one vertebra uponanother is brought about in a cat, it is at once rectified, whilein man it tends to persist. Many diseases and conditions peculiar to the human be-ing have been proven beyond doubt to be dependent uponthe vertical position assumed during his waking hours. Theseconditions are analogous to those which occur, for the samereason, in the spine. Thus we may consider, for example,hemorrhoids; it is well known that the hemorrhoidal veinsin the lower rectum have no valves, as have the veins of theextremities; it was simply because these veins were originallydesigned by nature with a horizontal position in view. Natu-rally, in this position the return flow of the blood to the heartwould readily occur, which is not true of the veins in thevertical position, and consequently no valves would be re-quired there. Owing to the fact, however, that during so 20 SPINAL ADJUSTMENT. Fig. 1. ANATOMICAL BASIS OF CHIROPRACTIC 21 many of our waking hours we are in a vertical position, theblood tends to gravitate toward the most dependent portions,with the result that the hemorrhoidal veins become pouchedand dilated, which condition is known as hemorrhoids. Another illustration of the anatomical basis of abnormalconditions which is a counterpart of the anatomical basis ofthe production of vertebral subluxations are uterine disorders,especially malpositions. A study of the arrangement andpoints of attachment of the uterine ligaments, which exist forthe purpose of holding the uterus in position, shows that theseligaments subserve their purpose best when the body is inthe horizontal position. In proof of this fact, note how quicklyretroversion of the uterus is rectified by having the patientassume the knee-chest position for a half-hour each day. Itis because the uterine ligaments h
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