PUBLICATIONS
Selected peer-reviewed publications
*Student author
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2024
*Cartwright, C., Ragni, A. Hublin, J-J., Chirchir, H. Trabecular bone volume fraction in Holocene and Late Pleistocene humans. Journal of Human Evolution.
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2023
*Layne A., Chirchir H. Trabecular bone morphology in big cats reflects the complex diversity of limb use but not home range size. Anatomical Record. 307:208-222.
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2022
Chirchir H., Ruff CB., Helgen KM., Potts R. Effects of reduced mobility on trabecular bone density in captive big cats. Royal Society Open Science. 9 3:211345.
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Machnicki AL., White AC., Meadows AC., McCloud D., Evans S., Thomas D., Hurley JD., Crow D., Chirchir H., Serrat MA. Altered IGF-I activity and accelerated bone elongation in growth plates precedes excess weight gain in a mouse model of juvenile obesity. Journal of Applied Physiology. 132: 511-526.
2021​
Chirchir H. Trabecular bone in domestic dogs and wolves: Implications for understanding human self-domestication. Anatomical Record. 304: 31-41.
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Richmond BG., Green DJ, Lague MR., Chirchir H., Behrensmeyer AK., Bobe R., Bamford MK., Griffin NL., Gunz P., Mbua E., Merritt SR., Pobiner B., Kiura P., Kibunjia M., Harris JWK., Braun DR. 2020. The upper limb of Paranthropus boisei from Ileret, Kenya. Journal of Human Evolution. 141:102727.
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2019
Chirchir H. Trabecular bone fraction variation in modern humans, fossil hominins and other primates. Anatomical Record. 302: 288-305.
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Marchi D., Harper CM., Chirchir H., Ruff CB. Relative fibular strength and locomotor behavior in KNM-WT 15000 and OH 35. Journal of Human Evolution. 131: 48-60.
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Lague MR., Chirchir H., Green DJ., Mbua E. , Harris JWK., Braun DR., Griffin NL., Richmond BG. 2019. Cross-sectional properties of the humeral diaphysis of Paranthropus boisei: Implications for upper limb function. Journal of Human Evolution. 126: 51-70.
Lague MR., Chirchir H., Green DJ., Mbua E. , Harris JWK., Braun DR., Griffin NL., Richmond BG. 2019. Humeral anatomy of the KNM-ER 47000 upper limb skeleton from Ileret, Kenya: Implications for taxonomic identification. Journal of Human Evolution. 126: 24-38.
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2018
Green DJ., Chirchir H., Mbua E., Harris JWK., Braun DR., Griffin N., Richmond BG. 2018. Scapular anatomy of Paranthropus boisei from Ileret, Kenya. Journal of Human Evolution. 125: 181-192.
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2017
Chirchir, H., Ruff, CB., Junno, J-A., Potts, R. Low trabecular bone density in recent sedentary modern humans. American Journal of Physical Anthropology. 162: 550-560.
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Chirchir H., Zeininger A., Nakatsukasa M., Ketcham RA., Richmond BG. 2017. Does trabecular bone structure within the metacarpal heads of primates vary with hand posture? Comptes Rendus Palevol. 16: 533-544.
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2016
Chirchir H. Limited trabecular bone density heterogeneity in the human skeleton. Anatomy Research International. 2016 Article ID 9295383.
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2015
Chirchir H., Kivell TL., Ruff CB., Hublin J-J., Carlson KJ., Zipfel B., Richmond BG. Recent origin of low trabecular bone density in modern human. Proceedings of the National Academy of Science. 112: 366-371.
Chirchir H. A Comparative study of trabecular bone mass distribution in cursorial and non-cursorial limb joints. Anatomical Record. 298: 797-809.
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Selected peer reviewed abstracts
* Student author
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2023
*Blake, T., Chirchir, H. Biogeographical rules and bone density: A long bone assessement of hte eastern gray squirrel (Sciurus carolinensis). Developmental Dynamics. 252. Issue 7.
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2022
*Layne, A., Chirchir, H. Correlating locomotor strategy and trabecular bone morphology in Felidae. FASEB Journal 36.
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Chirchir, H., *Cartwright, C., Ragni, A. & Hublin, J.-J. 2022. Trabecular bone morphology in Holocene and late Pleistocene modern humans. American Journal of Biological Anthropology. 177, 31.
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2020
Chirchir, H., *Perry, T. Cortical and trabecular bone density distribution in the human lower limb. Journal of Anatomy. 236,130.
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Chirchir, H., Ward, C., Kibii, J. 2020. Trabecular bone morphology in early Pleistocene hominids from Koobi Fora, northern Kenya. Am J Phys Anthropol 171: 51-51.
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2019
*Perry T., Chirchir H. 2019. Cortical and trabecular bone density distribution in primate and felid limb epiphyses. In FASEB Journal Volume 33: lb150-lb150, No. 1.
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Pobiner B., Chirchir H., Munga J., *Granata M., *Farkosh H. 2019. Kenyan biology teachers' experiences teaching evolution. Am J Phy Anthropol 168:192-192.
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*Palmer JE., Ragni A., Chirchir H. 2019. Effect of volume of interest placement and size in trabecular bone quantification. FASEB Journal 33: 452.4-452.4, No. 1.
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Chirchir H. 2019. What can trabecular bone tell us about activity levels and self-domestication? In FASEB Journal Volume 33: 19.3-19.3, No. 1.
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2018
*Palmer, JE., Chirchir, H. 2018. Trabecular Bone Morphology in Hunter/Gatherer and Agricultural Populations. FASEB Journal32, No. 1.
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Chirchir, H., Ruff, CB. 2018. The Relationship Between Joint Size and Trabecular Bone Density in Human and Nonhuman Primates. FASEB Journal 32, No. 1.
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Chirchir, H., O'Keefe, FR. 2018. Studying canid trabecular bone morphology to understand human self-domestication. Am J Phys Anthopol 165, pp. 48-48.
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2017
Chirchir, H., *Dean, H., Carlson, K., Ruff, CB. 2017. Revisiting the Evolution of Low Trabecular Bone Density in Modern Humans. FASEB Journal, 31, 251-3.
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Harper, CM., Marchi, D., Chirchir, H., Ruff, CB. 2017. Relative fibular strength and locomotor behavior in OH 35 and KNM-WT 15000. Am J Phys Anthropol 162: S64, 210
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2016
Chirchir, H., Ruff, C.B., Helgen, K. M., Potts, R. 2016. Trabecular bone mass and daily travel distance in mammals. FASEB Journal 30: 779.15-779.15
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Chirchir, H., Ruff, C.B. 2016. Trabecular bone density in recent modern humans. American Journal of Physical Anthropology 159: 116-116
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Carlson, K.J., Chirchir, H., Patel, B.A. 2016. Subchondral properties of the hominoid distal tibia: an indicator of loading during habitually dorsiflexed ankle postures. American Journal of Physical Anthropology. Supplement 159: 109-109
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2014
Chirchir, H., Kivell, L.T., Ruff, C.B, Hublin, J-J., Richmond, B.G. 2014. The evolution of trabecular bone density in humans. American Journal of Physical Anthropology. Supplement 58: 47
Chirchir, H., Richmond, BG., Ruff, CB. 2012. Trabecular density in cursorial and non-cursorial limb joints. American Journal of Physical Anthropology. Supplement 54:115
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Research press coverage & Interviews
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