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De Motu animalium is sometimes referred to in the medical literature. But who has read it? The book, originally published in Latin, seemingly constitutes the very first treatise on biomechanics. The author, Giovanni Alfonso Borelli (1608 - 1679), was professor of mathematics and physics in Pisa where he worked with Malpighi, who was professor of theoretical medicine and focused Borelli's interest on the movements of living creatures. This was the time of Galileo, Descartes, Newton and many others, when sciences exploded, sometimes leading to conflicts with religious authorities. De...

The present work aims at establishing as exhaustively as possible the math- ematical, anatomical and clinical bases of the law of bone remodelling and the consequent functional bone shape and remodelling force. Another aim of this work consists of considering the applications of the law of bone re- modelling not only to bone but also to many other fields of medical science and to certain questions in the natural sciences. I am indebted to the Royal Prussian Academy of Sciences, whose help made the publication of this book possible. I would also like to thank the many scientists who kindly put...

The different chapters of the present book were published separately each as a complete entity in the Proceedings of the Royal Saxon Society for Sciences. Chapter 1 appeared in 1895 under the names of Wilhelm Braune and Otto Fischer although Braune died immediately after the initial experiments, before the recordings had been interpreted. Chapters 2-6 were signed by Fischer only and appeared in 1899, 1900, 1901, 1903 and 1904. Basic data needed for this investigation of the human gait had been provided previously. A research on the centre of gravity ofthe human body and its different segments...

This is another classic contribution by Braune and Fischer to the field of biomechanics. The pendulum method was employed to ascertain ac curately the moments and radii of inertia of the human body and its different parts about all axes - transverse, oblique or longitudinal. This elegant method is described in detail, together with the results. Relations were found between the centres of inertia on one hand and the lengths and diameters of the body segments on the other. These data were originally prepared for the authors' later work, The Human Gait, to determine the forces exerted on and by...