Mandibular corpus strain in primates: Further evidence for a functional link between symphyseal fusion and jaw-adductor muscle force

American Journal of Physical Anthropology

Volumn 107, Issue 3, 1998, Pages 257-271

  Hylander, William L ^a,d   Ravosa, Matthew J ^b   Ross, Callum F ^c   Johnson, Kirk R ^a  

^a DUKE UNIVERSITY MEDICAL CENTER   (United States)

^b NORTHWESTERN UNIVERSITY   (United States)

^c STONY BROOK UNIVERSITY   (United States)

^d DUKE UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

Functional morphology; In vivo bone strain; Jaw adductor muscle force; Mastication; Primates; Symphyseal fusion

Indexed keywords

ANIMAL CELL; ANIMAL EXPERIMENT; ANIMAL TISSUE; ARTHRODESIS; ARTICLE; FEMALE; JAW MUSCLE; MALE; MANDIBLE; MASTICATION; MONKEY; MUSCLE FORCE; NONHUMAN; PRIMATE; SHEAR STRESS; STRAIN DIFFERENCE;

EID: 0031788797     PISSN: 00029483     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1096-8644(199811)107:3<257::AID-AJPA3>3.0.CO;2-6     Document Type: Article

References (36)

1. Beecher RM (1977) Function and fusion at the mandibular symphysis. Am. J. Phys. Anthropol. 47:325-336.
2. Beecher RM (1979) Functional significance of the mandibular symphysis. J. Morphol. 159:117-130.
3. Beecher RM (1983) Evolution of the mandibular symphysis in Notharctinae (Adapidae, Primates). Int. J. Primatol. 4:99-112.
4. Bell RHV (1971) A grazing ecosystem in the Serengeti. Scientific Am. 225:86-93.
5. Connolly R, and Quimby FW (1978) Acepromazine-ketamine anesthesia in the rhesus monkey (Macaca mulatta). Lab. Anim. Sci. 28:72-74.
6. Crompton AW (1985) Origin of the mammalian temporomandibular joint. In DS Carlson, JA McNamara, and KA Ribbons (eds.): Developmental Aspects of Temporo-mandibular Joint Disorders. Monograph #16, Craniofacial Growth Series, Center for Human Growth and Development, University of Michigan, Ann Arbor, Michigan, pp. 1-18.
7. Crompton AW (1995) Masticatory function in nonmammalian cynodonts and early mammals. In JJ Thomason (ed.): Functional Morphology in Vertebrate Paleontology, Cambridge: Cambridge University Press, pp. 55-75.
8. Crompton AW, and Hylander WL (1986) Changes in mandibular function following the acquisition of a dentary-squamosal jaw articulation. In N Hotten III, PD Maclean, JJ Roth and EC Roth (eds.): The Ecology and Biology of Mammal-like Reptiles, Washington D.C.: Smithsonian Press, pp. 263-282.
9. Hylander WL (1975) Incisor size and diet in anthropoids with special reference to cercopithecidae. Science 189: 1095-1098.
10. Hylander WL (1977) In vivo bone strain in the mandible of Galago crassicaudatus. Am. J. Phys. Anthropol. 46:309-326.
11. Hylander WL (1979a) Mandibular function in Golago crassicaudatus and Macaca fascicularis: An in vivo approach to stress analysis of the mandible. J. Morphol. 159:253-296.
12. Hylander WL (1979b) The functional significance of primate mandibular form. J. Morphol. 160:223-240.
13. Hylander WL (1984) Stress and strain in the mandibular symphysis of primates: A test of competing hypotheses. Am. J. Phys. Anthropol. 64:1-46.
14. Hylander WL (1985) Mandibular function and biomechanical stress and scaling. Am. Zool. 25:315-330.
15. Hylander WL (1986) In vivo bone strain as an indicator of masticatory bite force in Macaca fascicularis. Arch. Oral Biol. 31:149-157.
16. Hylander WL, and Crompton AW (1986) Jaw movements and patterns of mandibular bone strain during mastication in the monkey Macaca fascicularis. Arch. Oral Biol. 31:841-848.
17. Hylander WL, and Johnson KR (1989) The relationship between masseter force and masseter electromyogram during mastication in the monkey Macaca fascicularis. Arch. Oral Biol. 34:713-722.
18. Hylander WL, and Johnson KR (1993) Modelling relative masseter force from surface electromyograms during mastication in non-human primates. Arch Oral Biol. 38:233-240.
19. Hylander WL, and Johnson KR (1994) Jaw muscle function and wishboning of the mandible during mastication in macaques and baboons. Am. J. Phys. Anthropol. 94:523-547.
20. Hylander WL, and Johnson KR (1997) In vivo bone strain patterns in the zygomatic arch of macaques and the significance of these patterns for functional interpretations of craniofacial form. Am. J. Phys. Anthropol. 102:203-232.
21. Hylander WL, Johnson KR, and Crompton AW (1987) Loading patterns and jaw movements during mastication in Macaca fascicularis: A bone-strain, electromyographic, and cineradiographic analysis. Am. J. Phys. Anthropol. 72:287-314.
22. Hylander WL, Johnson KR, and Crompton AW (1992) Muscle force recruitment and biomechanical modeling: An analysis of masseter muscle function in Macaca fascicularis. Am. J. Phys. Anthropol. 88:365-387.
23. Hylander WL, Johnson KR, and Crompton AW (1998) Masseter force in the North American opossum: Testing the symphyseal fusion-muscle recruitment hypothesis. Arch. Oral Biol. (in review).
24. Hylander WL, Picq PG, and Johnson KR (1991) Masticatory-stress hypotheses and the supraorbital region of primates. Am. J. Phys. Anthropol. 86:1-36.
25. Hylander WL, Ravosa MJ, Ross CF, Wall CE, and Johnson KR (1997) The relationship between symphyseal fusion and jaw-adductor muscle force in primates: An EMG study. Am. J. Phys. Anthropol. (in review).
26. Kay RF (1973) Mastication, molar tooth structure and diet in primates. Ph.D. Thesis, Yale University.
27. Kay RF, and Hylander WL (1978) The dental structure of mammalian folivores with special reference to primates and phalangeroidea (Marsupialia). In G Montgomery (ed.): The Ecology of Arboreal Folivores. Washington, D.C.: Smithsonian Institution Press, pp. 173-191.
28. Ravosa MJ (1991) Structural allometry of the prosimian mandibular corpus and symphysis. J. Hum. Evol. 20:3-20.
29. Ravosa MJ (1996) Mandibular form and function in North American and European Adapidae and Omomyidae. J. Morphol. 229:171-196.
30. Ravosa MJ, and Hylander WL (1993) Functional analysis of the galago circumorbital region. Am. J. Phys. Anthropol. 90:Suppl. 16:168.
31. Ravosa MJ, and Hylander WL (1994) Function and fusion of the mandibular symphysis in primates: stiffness or strength? In JG Fleagle and RF Kay (eds.): Anthropoid Origins. New York: Plenum, pp. 447-468.
32. Ravosa MJ, and Simons EL (1994) Mandibular growth and function in Archeolemur. Am. J. Phys. Anthropol. 95:63-76.
33. Rensberger JM (1973) Sanctimus (Mammalia, Rodentia) and the phyletic relationships of the large arikareean geomyoids. J. Paleontol. 47:835-853.
34. Ross CF (1993) The Functions of the Postorbital Septum and Anthropoid Origins. Ph.D. Thesis, Duke University.
35. Ross CF, and Hylander WL (1996) In vivo and in vitro bone strain in the owl monkey circumorbital region and the function of the postorbital septum. Am. J. Phys. Anthropol. 101:183-215.
36. Scapino RP (1981) Morphological investigations into functions of the jaw symphysis in carnivorans. J. Morphol. 167:339-375.