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Biren A. Patel, PhD
Associate Professor of Clinical Integrative Anatomical Sciences
Integrative Anatomical Sciences
BMT 404 1333 San Pablo Street Health Sciences Campus Los Angeles
+1 323 442 2093


Patel Laboratory for Primate Functional and Evolutionary Morphology


Catarrhine hallucal metatarsals from the early Miocene site of Songhor, Kenya. J Hum Evol. 2017 Jul; 108:176-198. View in: PubMed

Adaptation to bipedal gait and fifth metatarsal structural properties in Australopithecus, Paranthropus, and Homo. C. R. Palevol. 2017; 16(5-6):585-599. View in: PubMed

New sivaladapid primate from Lower Siwalik deposits surrounding Ramnagar (Jammu and Kashmir State), India. J Hum Evol. 2017 Jan; 102:21-41. View in: PubMed

The locomotion of Babakotia radofilai inferred from epiphyseal and diaphyseal morphology of the humerus and femur. J Morphol. 2016 Sep; 277(9):1199-218. View in: PubMed

Trabecular architecture in the StW 352 fossil hominin calcaneus. J Hum Evol. 2016 Aug; 97:145-58. View in: PubMed

Morphological diversity in the digital rays of primate hands. In: Kivell TL, Lemelin P, Richmond BG, and Schmitt D (editors), The Evolution of the Primate Hand: Anatomical, Developmental, Functional and Paleontological Evidence. 2016; pp. 55-100. View in: PubMed

An Early Pleistocene human pedal phalanx from Swartkrans, SKX 16699, and the antiquity of the human lateral forefoot. C. R. Palevol. 2016; 15(8):978–987. View in: PubMed

Distinct functional roles of primate grasping hands and feet during arboreal quadrupedal locomotion. J Hum Evol. 2015 Nov; 88:79-84. View in: PubMed

Functional aspects of metatarsal head shape in humans, apes, and Old World monkeys. J Hum Evol. 2015 Sep; 86:136-46. View in: PubMed

Mouse hallucal metatarsal cross-sectional geometry in a simulated fine branch niche. J Morphol. 2015 Jul; 276(7):759-65. View in: PubMed

Electromyography of crural and pedal muscles in tufted capuchin monkeys (Sapajus apella): Implications for hallucal grasping behavior and first metatarsal morphology in euprimates. Am J Phys Anthropol. 2015 Apr; 156(4):553-64. View in: PubMed

Functional morphology of the hallucal metatarsal with implications for inferring grasping ability in extinct primates. Am J Phys Anthropol. 2015 Mar; 156(3):327-48. View in: PubMed

Exploring phylogenetic and functional signals in complex morphologies: the hamate of extant anthropoids as a test-case study. Anat Rec (Hoboken). 2015 Jan; 298(1):212-29. View in: PubMed

Geometric properties and comparative biomechanics of Homo floresiensis mandibles. J Hum Evol. 2014 Mar; 68:36-46. View in: PubMed

New Lower Siwalik localities near Ramnagar, India: implications for the earliest Asian great apes and other mammalian linages. Select Publications of the Palaeontological Society of India. 2014; 5:353-365. View in: PubMed

A resampling approach and implications for estimating the phalangeal index from unassociated hand bones in fossil primates. Am J Phys Anthropol. 2013 Jun; 151(2):280-9. View in: PubMed

Humeral cross-sectional shape in suspensory primates and sloths. Anat Rec (Hoboken). 2013 Apr; 296(4):545-56. View in: PubMed

Ontogenetic scaling of fore- and hind limb posture in wild chacma baboons (Papio hamadryas ursinus). PLoS One. 2013; 8(7):e71020. View in: PubMed

Cercopithecoid primate postcranial fossils from Cooper’s D, South Africa. GeoBios. 2013; 46:381-394. View in: PubMed

Joint loads in marsupial ankles reflect habitual bipedalism versus quadrupedalism. PLoS One. 2013; 8(3):e58811. View in: PubMed

New primate first metatarsals from the Paleogene of Egypt and the origin of the anthropoid big toe. J Hum Evol. 2012 Jul; 63(1):99-120. View in: PubMed

Electromyography of wrist and finger flexor muscles in olive baboons (Papio anubis). J Exp Biol. 2012 Jan 01; 215(Pt 1):115-23. View in: PubMed

The endocranial petrosal anatomy of Bothriogenys (Mammalia, Artiodactyla, Anthracotheriidae), and petrosal volume and density comparisons among aquatic and terrestrial artiodactylans and outgroups. Journal Paleontology. 2012; 86:44-50. View in: PubMed

Algorithms to automatically quantify the geometric similarity of anatomical surfaces. Proc Natl Acad Sci U S A. 2011 Nov 08; 108(45):18221-6. View in: PubMed

Metatarsal fusion pattern and developmental morphology of the Olduvai Hominid 8 foot: Evidence of adolescence. J Hum Evol. 2011 Jan; 60(1):58-69. View in: PubMed

Apparent density of the primate calcaneo-cuboid joint and its association with locomotor mode, foot posture, and the "midtarsal break". Am J Phys Anthropol. 2010 Jun; 142(2):180-93. View in: PubMed

Functional morphology of cercopithecoid primate metacarpals. J Hum Evol. 2010 Apr; 58(4):320-37. View in: PubMed

Dynamic pressure patterns in the hands of olive baboons (Papio anubis) during terrestrial locomotion: implications for cercopithecoid primate hand morphology. Anat Rec (Hoboken). 2010 Apr; 293(4):710-8. View in: PubMed

The interplay between speed, kinetics, and hand postures during primate terrestrial locomotion. Am J Phys Anthropol. 2010 Feb; 141(2):222-34. View in: PubMed

Hallucal grasping in Nycticebus coucang: further implications for the functional significance of a large peroneal process. J Hum Evol. 2010 Jan; 58(1):33-42. View in: PubMed

Terrestrial adaptations in the hands of Equatorius africanus revisited. J Hum Evol. 2009 Dec; 57(6):763-72. View in: PubMed

Comparative functional morphology of the primate peroneal process. J Hum Evol. 2009 Dec; 57(6):721-31. View in: PubMed

Not so fast: speed effects on forelimb kinematics in cercopithecine monkeys and implications for digitigrade postures in primates. Am J Phys Anthropol. 2009 Sep; 140(1):92-112. View in: PubMed

Apparent density patterns in subchondral bone of the sloth and anteater forelimb. Biol Lett. 2008 Oct 23; 4(5):486-9. View in: PubMed

Telemetered electromyography of peroneus longus in Varecia variegata and Eulemur rubriventer: implications for the functional significance of a large peroneal process. J Hum Evol. 2007 Aug; 53(2):119-34. View in: PubMed

Body mass distribution and gait mechanics in fat-tailed dwarf lemurs (Cheirogaleus medius) and patas monkeys (Erythrocebus patas). J Hum Evol. 2007 Jul; 53(1):26-40. View in: PubMed

Bone density spatial patterns in the distal radius reflect habitual hand postures adopted by quadrupedal primates. J Hum Evol. 2007 Feb; 52(2):130-41. View in: PubMed

Cercopithecoid cervical vertebral morphology and implications for the presence of Theropithecus in early Pleistocene Europe. J Hum Evol. 2007 Feb; 52(2):113-29. View in: PubMed

Dental metric comparisons of Morotopithecus and Afropithecus: implications for the validity of the genus Morotopithecus. J Hum Evol. 2006 Nov; 51(5):506-12. View in: PubMed

Habitual use of the primate forelimb is reflected in the material properties of subchondral bone in the distal radius. J Anat. 2006 Jun; 208(6):659-70. View in: PubMed

Modeling elastic properties in finite-element analysis: how much precision is needed to produce an accurate model? Anat Rec A Discov Mol Cell Evol Biol. 2005 Apr; 283(2):275-87. View in: PubMed

The hominoid proximal radius: re-interpreting locomotor behaviors in early hominins. J Hum Evol. 2005 Apr; 48(4):415-32. View in: PubMed

Modeling masticatory muscle force in finite element analysis: sensitivity analysis using principal coordinates analysis. Anat Rec A Discov Mol Cell Evol Biol. 2005 Apr; 283(2):288-99. View in: PubMed

Form and function of the oblique cord (chorda obliqua) in anthropoid primates. Primates. 2005 Jan; 46(1):47-57. View in: PubMed

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