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The Human Foot: Its Evolution, Physiology and Functional Disorders.

Arch Intern Med (Chic). 1936;57(5):1056-1057. doi:10.1001/archinte.1936.00170090221018.
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Eminently fitted for the task by his years of painstaking study of the foot, as both clinician and anatomist, Morton brings together in this volume a compact and stimulating discussion which aims chiefly "to identify and to analyse the primary factors of functional disorders of the foot."

More than half of the book is devoted to anatomic and functional considerations, which are properly emphasized as an indispensable foundation for the understanding of disorders of the foot. Tracing the evolutionary history of the human foot, the author states that it derives remotely from a grasping member "as flexible and as flat as the human hand," adapted to the demands of a tree-living existence. The elevation of a rigid longitudinal arch is explained as a response to the assumption of erect bipedal locomotion by the more immediate ancestors of modern man, introducing new gravitational stresses and changes in muscle pull, both being


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