Abstract
THE slender elongated form that is characteristic of the forelimb long bones of gibbons (Hylobates) has long been attributed to their functional adaptation to habitual armswinging locomotion1–3, although potential selective advantages of this morphology for brachiation have yet to be demonstrated. If the forces exerted on the limb skeleton during brachiation indeed differ greatly from those of other locomotor modes, then the changes in skeletal loading accompanying a shift in locomotor behaviour could favour alterations in skeletal morphology in brachiating lineages. In vivo skeletal strain patterns recorded by using radiotelemetry during brachiation indicate that the forelimb bones of the gibbon are loaded in substantial tension and show reduced bending and compression in comparison with those of other mammals. We suggest that this unique loading regime could have contributed to the evolution of the distinctive morphology of hylobatid limbs.
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References
Keith, A. J. Anat. 37, 18–40 (1903).
Andrews, P. & Groves, C. E. in Gibbon and Siamang (ed. Rumbaugh, D. M.) 167–218 (Karger, Basel, 1976).
Preuschoft, H. & Demes, B. in Size and Scaling in Primate Biology (ed. Jungers, W. L.) 383–399 (Plenum, New York, 1985).
Fleagle, J. G. Nature 248, 259–260 (1974).
Preuschoft, H. & Demes, B. in The Lesser Apes: Evolutionary and Behavioral Biology (eds Preuschoft, H., Chivers, D. J., Brockelman, W. V. & Creel, N.) (Edinburgh University Press, 1984).
Kummer, B. Anthrop. Anz. 32, 74–82 (1970).
Oxnard, C. E. The Order of Man (Yale University Press, New Haven, 1984).
Currey, J. D. The Mechanical Adaptations of Bones (Princeton University Press, New Jersey, 1984).
Biewener, A. A., Thomason, J., Goodship, A. E. & Lanyon, L. E. J. Biomech. 16, 565–576 (1983).
Lanyon, L. E. & Bourne, S. J. Bone Jt Surg. A61, 263–273 (1979).
Biewener, A. A., Swartz, S. M. & Bertram, J. E. A. Calcif. Tissue Int. 39, 390–395 (1986).
Biewener, A. A. & Taylor, C. R. J. exp. Biol. 123, 383–400 (1986).
Wainwright, S. A., Biggs, W. D., Currey, J. D. & Gosline, J. M. Mechanical Design in Organisms (Wiley, New York, 1976).
Swartz, S. M. The Biomechanics and Structural Design of the Forelimb of Brachiating Primates (The University of Chicago Press, 1988).
Dally, J. W. & Riley, W. F. Experimental Stress Analysis (McGraw-Hill, 1978).
Rubin, C. T. & Lanyon, L. E. J. exp. Biol. 101, 187–212 (1982).
Bertram, J. E. A. & Biewener, A. A. J. theor. Biol. 131, 75–92 (1988).
Jungers, W. L. & Stern, J. T. Jr Science 208, 617–619 (1980).
Jungers, W. L. & Stern, J. T. Jr Int. J. Primat. 2, 18–33 (1981).
Jungers, W. L. & Stern, J, T. Jr in The Lesser Apes: Evolutionary and Behavioral Biology (eds Preuschoft, H., Chivers, D. J., Brockelman, W. V. & Creel, N.) 119–134 (Edinburgh University Press, 1984).
Avis, V. Southw. J. Anthrop. 18, 119–148 (1962).
Jenkins, F. A. Jr, Bombroski, P. J. & Gordon, E. P. Am. J. phys. Anthrop. 48, 65–76 (1978).
Jenkins, F. A. Jr Symp. zool. Soc. Lond. 48, 429–451 (1981).
Lanyon, L. E. & Baggot, D. G. J. Bone Jt Surg. B58, 436–443 (1976).
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Swartz, S., Bertram, J. & Biewener, A. Telemetered in vivo strain analysis of locomotor mechanics of brachiating gibbons. Nature 342, 270–272 (1989). https://doi.org/10.1038/342270a0
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DOI: https://doi.org/10.1038/342270a0
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