Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York : D. Appleton & company · leaf 80
ous, and more or less continuousmovements observable in walking and running, and thetwisting, lashing, flail-like movements necessary to swimmingand flying, would be impossible. The leg in the human subject moves by three joints, viz.,the hip, knee, and ankle joints. When standing in the… … Fid. 26.—Skeleton of Man. Compare with fig. 4, p. 21, and fig. 24, p. 47.—Original. obliquely, or slightly flexed, the range of motion is increased. 56 ANIMAL LOCOMOTION. The greatest angle made at the knee-joint is equal to theBums of the angles made by the hip and ankle joints whenthese joints…
Animal locomotion · Aeronautics
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