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Polio "handwalker" with quadrupedal (hands-and-feet bear crawl) gait after poliomyelitis (2)

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Case of Austrian pediatrician Heinrich Lehndorff (1908). Poliomyelitis in a 7-year-old child. Severe paralysis of both legs. Flexion contracture in the hip joint, severe lordosis of the lumbar spine. "Hand walkers." [Case] of Dr. H[einrich] Lehndorff in the Carolinen Children's Hospital in Vienna. Note also the accentuated anterior pelvic tilt, which, in combination with the accentuated lumbar lordosis, produces a swayback posture; the marked atrophy of the leg muscles; and the back-kneeing (genu recurvatum). (Sources: Zappert J. Die Epidemie der Poliomyelitis acuta epidemica. [Heine-Medinsche. Krankheit] in Wien und Nieder-Oester reich. Jahre 1908. Oppenheim H. Text-book of nervous disease for physicians and students: authorized translation by Alexander Bruce. 5th edition. Edinburgh: Otto Schultze & Co, 1911;1:209. See also: Lanska DJ. A human quadrupedal gait following poliomyelitis: From the Dercum-Muybridge collaboration [1885]. Neurology 2016;86:872-6.)