Nude boy with double amputation of thighs moving forward and getting on and off chair. This is plate 538, captioned "Double amputation of thighs, boy. A: Moving forward. B: Getting on chair. C: Getting down from chair".; CITE AS "Eadweard Muybridge. Animal locomotion: an electro-photographic investigation of consecutive phases of animal movements. 1872-1885. USC Digital Library, 2010."; CITE ORIGINAL SOURCE AS "Eadweard Muybridge. Animal locomotion: an electro-photographic investigation of consecutive phases of animal movements. 1872-1885 / published under the auspices of the University of Pennsylvania. Plates. The plates printed by the Photo-Gravure Company. Philadelphia, 1887."