2019
DOI: 10.1002/ar.24284
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Scaling of Anatomically Derived Maximal Bite Force in Primates

Abstract: By combining muscle architectural data with biomechanical variables relating to the jaw, we produce anatomically derived maximum bite force estimations for 23 species of catarrhine and platyrrhine primates. We investigate how bite force scales across the sample as a whole (and within each parvorder) relative to two size proxies, body mass and cranial geometric mean, and the effect of diet upon bite force. Bite force is estimated at three representative bite points along the dental row: the first maxillary inci… Show more

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Cited by 20 publications
(30 citation statements)
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“…[10][11][12]), which, in conjunction with estimates of jaw-muscle force, have been used to model and estimate bite force capabilities (e.g. [13][14][15][16][17][18]). More recently, finite-element analysis (FEA) has become widely employed in biological anthropology to characterize the stress and strain patterns of the craniofacial complex under a variety of loading conditions (e.g.…”
Section: Introductionmentioning
confidence: 99%
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“…[10][11][12]), which, in conjunction with estimates of jaw-muscle force, have been used to model and estimate bite force capabilities (e.g. [13][14][15][16][17][18]). More recently, finite-element analysis (FEA) has become widely employed in biological anthropology to characterize the stress and strain patterns of the craniofacial complex under a variety of loading conditions (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…Similarly, bite force calculations require the input of muscle forces, often estimated from the anatomical (ACSA) or physiological cross-sectional area (PCSA) (e.g. [15,[30][31][32][33][34]; for a review of methods for estimating PCSA see [35]). The validity of these models is in part dependent on the accuracy of the input parameters.…”
Section: Introductionmentioning
confidence: 99%
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“…Although measured by flattening physical 3D molds of these surface areas, the approach is fundamentally similar to measuring these surface areas in digital space (e.g., as in Figure 1b). Lateral photographs of the cranium and mandible have also been used to approximate the size and centroids of attachment areas for the jaw adductors of carnivorans and primates when calculating biomechanical leverages of the masticatory apparatus (Deutsch et al, 2020; Hartstone‐Rose et al, 2012; Hartstone‐Rose et al, 2019), as have morphometric approaches to the characterization of muscle attachment areas in 3D space (Fabre et al, 2018). However, questions remain as to how effectively these varying methods can predict myological parameters of the masticatory apparatus across anatomically and taxonomically diverse samples that spans major variation in both body size and craniomandibular form.…”
Section: Introductionmentioning
confidence: 99%
“…and correlations have been found between these properties and, for instance, dietary (Curtis & Santana, 2018;Deutsch et al, 2019;Eng, Ward, Vinyard, & Taylor, 2009;Fabre, Herrel, Fitriana, Meslin, & Hautier, 2017;Hartstone-Rose, Deutsch, Leischner, & Pastor, 2018;Hartstone-Rose, Hertzig, & Dickinson, 2019;Hartstone-Rose, Perry, & Morrow, 2012;Herrel, De Smet, Aguirre, & Aerts, 2008;Perry & Hartstone-Rose, 2010;Perry, Hartstone-Rose, & Wall, 2011;Perry, Macneill, Heckler, Rakotoarisoa, & Hartstone-Rose, 2014;Perry & Wall, 2008;Santana, 2018;Santana & Cheung, 2016;Taylor, Jones, Kunwar, & Ravosa, 2006;, and locomotor adaptations (Berbel-Filho, Pereira, & Martinez, 2013;Ogihara et al, 2017;Oishi, Ogihara, Endo, Ichihara, & Asari, 2009). While studies investigating these architectural properties of musculature ideally do so using fresh specimens (e.g., Deutsch et al, 2019;Hartstone-Rose et al, 2012;Hartstone-Rose et al, 2018;Leischner et al, 2018), the inclusion of rare or endangered specimens which can often only be obtained from the fluid collections of museums can necessitate the use of previously preserved specimens (e.g., Boettcher et al, 2020;Leonard et al, 2019), or require both fresh and preserved specimens to be combined within one sample (e.g., Hartstone-Rose et al, 2019). Museums commonly use formalin fixation followed by ethanol storage as a means to preserve soft-tissue specimens (Simmons, 2014).…”
mentioning
confidence: 96%