The functional morphology of the hind limb of the domestic pigeon, Columba livia. Bulletin of the AMNH ; v. 144, article 3

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dc.contributor.authorCracraft, Joel.en_US
dc.date.accessioned2005-10-06T14:51:58Z
dc.date.available2005-10-06T14:51:58Z
dc.date.issued1971en_US
dc.descriptionp. 173-268 : ill. ; 27 cm.en_US
dc.descriptionIncludes bibliographical references (p. 265-268).en_US
dc.description.abstract"The present paper presents the results of a study on the functional morphology of hind-limb locomotion in the domestic pigeon, Columba livia. The structure and function of the hind-limb joints is discussed first. The major morphological features of the joint are examined using techniques of microscopic and gross anatomy, and these results are correlated with the kinds and amounts of movement permitted at each joint. Next, a detailed description of the hind-limb muscles is presented. Included in the descriptions are data on origins and insertions, the arrangement of the fibers in relation to aponeuroses of origin and insertion, the relative length of the fibers, the angle of pinnation, and information about the histological composition twitch (fibrillenstruktur) and tonus (felderstruktur) fibers within the muscle. The data in the section on muscle description are then used in conjunction with some basic principles of muscle physiology to arrive at more well-founded conclusions as to the functions of the different muscles. A high-speed motion picture analysis of hind-limb locomotion in the pigeon is then given. Three different gaits (moderate walk, slow walk, and a run) are studied and compared with respect to angular displacements and angular velocities. The important aspects of landing are briefly considered. Finally, the results of the functional analysis of the muscles are combined with those of the motion picture analysis to enable the construction of an activity sequence of the muscles during a walk. Information such as when muscles are active during a step and the kinds of motion observed is considered. Certain features of one-joint and multi-joint muscles and of vertebrate joint structure and function are discussed"--P. 265.en_US
dc.format.extent19650766 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/1084
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York : [American Museum of Natural History]en_US
dc.relation.ispartofseriesBulletin of the American Museum of Natural History ; v. 144, article 3en_US
dc.subject.lccQH1 .A4 vol.144, art.3, 1971en_US
dc.subject.lcshColumba livia -- Morphology.en_US
dc.subject.lcshPigeons -- Morphology.en_US
dc.subject.lcshHindlimb.en_US
dc.subject.lcshLeg -- Muscles.en_US
dc.subject.lcshPigeons -- Locomotion.en_US
dc.titleThe functional morphology of the hind limb of the domestic pigeon, Columba livia. Bulletin of the AMNH ; v. 144, article 3en_US
dc.title.alternativeDomestic pigeonen_US
dc.typetexten_US

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Bulletin of the American Museum of Natural History