Identifier: horseinmotionass01stil (find matches)
Title: The horse in motion : as shown by instantaneous photography : with a study on animal mechanics founded on anatomy and the revelations of the camera : in which is demonstrated the theory of quadrupedal locomotion
Year: 1882 (1880s)
Authors: Stillman, J. D. B. (Jacob Davis Babcock), 1819-1888 Muybridge, Eadweard, 1830-1904
Subjects: Horses Horses Animal locomotion
Publisher: Boston : J.R. Osgood
Contributing Library: Boston Public Library
Digitizing Sponsor: Boston Public Library

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dy is already on the fore leg, and the only pro-pulsive force left in the hind one is derived from the reaction of thesuspensory ligament and its reinforcing tendons. This positionnearly corresponds with that in Fig. 8, page 93, though a little inadvance of it. Plate LXXXV. illustrates the run in the position shown in Fig.10, page 95. The fore leg must be straight from the elbow to thefoot when it makes contact with the ground, as only in that rela-tion of the bones forming the columns of support could the weightsuddenly thrown upon them be borne. A moments consideration ofthe mechanical construction of the knee-joint will suffice to convinceone of this, and a weakness at that point which renders the animalliable to stumble is a very serious defect, and where it exists it in-dicates the loss of the balance of power between the flexors andextensors of the foot. This inflexible position of the knee-joint willbe found to be universal in all the paces when the limb is sustain-ins: weieht.
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-^^ ZO APPENDIX. The following account of the methods by which the orio-inalphotographs were produced that served as the basis of the analysis ofthe paces, the results of which are contained in this volume, wasfurnished by Mr. E. J. Muybridge, the photographer by whom theywere executed. Some time in 1872 Mr. Stanford, being desirous of settling somecontroverted questions as to the action of the trotting horse, conceivedthe idea that the camera might be made available for that purpose.To this end he consulted with Mr. Muybridge, and induced him toundertake some experiments in instantaneous photography.* Theexperiments made at that time were inconclusive, and for severalyears, Mr. Muybridge being absent from the State, the matter rested,though it was not abandoned by Mr. Stanford. In 1877, Mr. Muybridge having returned, the experiments wererenewed. A few pictures were taken of Occident while in motion— a noted trotter, owned by Mr. Stanford — with a single camera;and one of these, r

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