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Human Locomotion and Body Form: A Study of Gravity and Man.

JAMA. 1952;150(15):1548. doi:10.1001/jama.1952.03680150102044.
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ABSTRACT

This book offers information about the anatomy and physiology of the foot. Part 1 deals with underlying principles of adaptation; part 2 with analysis of the walking stride. The latter part contains much material of interest, but the book as a whole is neither a complete nor a balanced presentation of the subject. It includes material that is intended to be of a generally biological or philosophical nature, to prove the importance of gravity as a designing factor, and this factor is assumed to lead somehow through the immense diversity of pedal extremities found in the animal kingdom to the human foot as a climax of the evolutionary process. Much of this reasoning is a petitio principii, instanced by the author's confusion of cause and effect (page 18) and his vague treatment of Wolff's so-called law (page 28). The insecurity of the factual basis of the reasoning is evidenced by

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