Angel Zeininger

Angel Zeininger

Lecturning Fellow, Senior of Evolutionary Anthropology

Overview

My primary areas of interest are the ontogeny of locomotion, trabecular bone remodeling, and the evolution and functional morphology of the hands and feet. I am interested in how forces incurred during locomotion influence the microarchitecture of trabecular bone. In particular, my research aims to 1) determine the magnitude and direction of forces that travel through bones during locomotion, 2) use advanced imaging techniques to identify evidence of ground reaction, muscle, and joint reaction forces as preserved in trabecular bone patterning, and 3) apply this method to the study of fossil hominins as an innovative way of reconstructing locomotor behavior in extinct species.

Degrees & Credentials

  • Ph.D., University of Texas, Austin 2013

Selected Grants

Ontogeny of Heel-strike in African Apes awarded by National Science Foundation (Principal Investigator). 2015 to 2020

Schmitt, D., et al. “Patterns, variability, and flexibility of hand posture during locomotion in primates.The Evolution of the Primate Hand Anatomical, Developmental, Functional, and Paleontological Evidence, edited by T. Kivell et al., Springer, 2016, pp. 345–69.

Zeininger, Angel, et al. “Mechanics of heel-strike plantigrady in African apes.Journal of Human Evolution, vol. 145, Aug. 2020, p. 102840. Epmc, doi:10.1016/j.jhevol.2020.102840. Full Text

Granatosky, Michael C., et al. “Mechanisms for the functional differentiation of the propulsive and braking roles of the forelimbs and hindlimbs during quadrupedal walking in primates and felines.The Journal of Experimental Biology, vol. 221, no. Pt 2, Jan. 2018. Epmc, doi:10.1242/jeb.162917. Full Text Open Access Copy

Zeininger, Angel, et al. “Ontogenetic changes in foot strike pattern and calcaneal loading during walking in young children.Gait & Posture, vol. 59, Jan. 2018, pp. 18–22. Epmc, doi:10.1016/j.gaitpost.2017.09.027. Full Text Open Access Copy

Chirchir, H., et al. “Does trabecular bone structure within the metacarpal heads of primates vary with hand posture?Comptes Rendus  Palevol, vol. 16, no. 5–6, Aug. 2017, pp. 533–44. Scopus, doi:10.1016/j.crpv.2016.10.002. Full Text

Zeininger, Angel, et al. “Ontogenetic changes in limb postures and their impact on effective limb length in baboons (Papio cynocephalus).American Journal of Physical Anthropology, vol. 163, no. 2, June 2017, pp. 231–41. Epmc, doi:10.1002/ajpa.23201. Full Text

Burgess, M. Loring, et al. “Ontogenetic scaling of fore limb and hind limb joint posture and limb bone cross-sectional geometry in vervets and baboons.American Journal of Physical Anthropology, vol. 161, no. 1, Sept. 2016, pp. 72–83. Epmc, doi:10.1002/ajpa.23009. Full Text

Zeininger, Angel, et al. “Trabecular architecture in the StW 352 fossil hominin calcaneus.Journal of Human Evolution, vol. 97, Aug. 2016, pp. 145–58. Epmc, doi:10.1016/j.jhevol.2016.05.009. Full Text

Zeininger, Angel, et al. “Metacarpal head biomechanics: a comparative backscattered electron image analysis of trabecular bone mineral density in Pan troglodytes, Pongo pygmaeus, and Homo sapiens.Journal of Human Evolution, vol. 60, no. 6, June 2011, pp. 703–10. Epmc, doi:10.1016/j.jhevol.2011.01.002. Full Text

Yapuncich, Gabriel S., et al. “Using thin plate splines to statistically compare force curves produced by western lowland gorillas (Gorilla gorilla gorilla).” American Journal of Physical Anthropology, vol. 171, WILEY, 2020, pp. 313–313.

Kemp, Addison D., et al. “Mechanics of leaping between vertical supports in a small arboreal quadruped (Cheirogaleus medius).” American Journal of Physical Anthropology, vol. 171, WILEY, 2020, pp. 140–140.

Zeininger, Angel, et al. “The role of the manual and pedal fat pads in moderating ground reaction forces and pressure patterns in knuckle-walking African apes.American Journal of Physical Anthropology, vol. 171, WILEY, 2020, pp. 317–317.

Schmitt, Daniel, et al. “Hand and foot postures and loading patterns in monkeys and apes: implications for cheiridial design.” American Journal of Physical Anthropology, vol. 171, WILEY, 2020, pp. 253–253.

Wunderlich, Roshna E., et al. “Plantar pressure distribution in Gorilla.” American Journal of Physical Anthropology, vol. 168, WILEY, 2019, pp. 275–275.

Schmitt, Daniel, et al. “Forelimb and hindlimb peak forces in Gorilla.” American Journal of Physical Anthropology, vol. 168, WILEY, 2019, pp. 219–219.

Zeininger, Angel, et al. “Impact forces and hindlimb vertical impulses in Gorilla.” American Journal of Physical Anthropology, vol. 168, WILEY, 2019, pp. 280–280.

Perchalski, Bernadette A., and Angel Zeininger. “Impact of gait selection on potential limb interference in primates and cats.” American Journal of Physical Anthropology, vol. 168, WILEY, 2019, pp. 188–89.

Doyle, Daniel J., et al. “Gorilla hindlimb muscle fiber phenotypes.” American Journal of Physical Anthropology, vol. 168, WILEY, 2019, pp. 62–62.

Zeininger, Angel, et al. “Center of mass movements and energy recovery during arm-swinging in atelines.” American Journal of Physical Anthropology, vol. 165, WILEY, 2018, pp. 310–310.

Pages