
Fields of Interest
Biography
My principal research interest is the study of locomotor energetics from the perspective of mechanical engineering. To do this, I utilize many tools, including finite element modeling, musculoskeletal modeling, motion capture, Matlab, and kinematic/kinetic analysis. My lab (Primate Evolutionary Biomechanics Lab) is equipped with analysis computers, a scanner, and a 3D printer; primate skeletons and radiographs are available. I use the motion capture capabilities of the Amplifying Movement and Performance (AMP) Laboratory and I collaborate with researchers in the Departments of Orthopaedics and Sport Medicine, Rehabilitation Medicine, and Mechanical and Civil Engineering. My research is, however, firmly grounded in modern evolutionary theory.
Research
Selected Research
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Kramer PA, Feuerriegel EM, Lautzenheiser SG, Sylvester AD. (2022) Sensitivity of musculoskeletal models to variation in muscle architecture parameters. Evolutionary Human Sciences, 4:1-17. doi:10.1017/ehs.2022.6
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Kramer PA, Lautzenheiser SG, (2022) Foot morphology influences the change in archindex between standing and walking condition. The Anatomical Record, epub ahead ofprint. DOI: 10.1002/ar.24890.
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Kramer PA, Lautzenheiser SG, (2022) Foot morphology influences the change in archindex between standing and walking condition. The Anatomical Record, epub ahead ofprint. DOI: 10.1002/ar.24890.
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Cheever SM, Kramer PA, Morgan SJ, Hafner BJ. (2021) Effect of standing and sitting positions on energy expenditure in people with transtibial amputation compared to age- and sex-matched controls. Prosthet Orthot Int. (in press). Doi: 10.1097/PXR.0000000000000002
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Sylvester AD, Lautzenheiser SG, Kramer PA. (2021) A review of musculoskeletal modelling. Royal Society Interface 11: 20200060. Doi: 10.1098/rsfs.2020.0060
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Hammerberg AG, Kramer PA. (2021) Consistent Inconsistencies in braking: a spatial analysis. Royal Society Interface 11: 20200058. doi: 10.1098/rsfs.2020.0058
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Yu B, Kramer PA (2021) Walking speed alters barefoot gait coordination and variability. Journal of Motor Behavior, epub ahead of print DOI: 10.1080/00222895.2021.1990005
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Sylvester AD, Lautzenheiser SG, Kramer PA. (2021) Muscle forces and the demands of human walking. Biology One, 1:1-10. doi: 10.1242/bio.058595
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Berthaume MD, Kramer PA. (2021) Anthroengineering: An independent interdisciplinary field. Royal Society Interface 11: 20200056. doi: 10.1098/rsfs.2020.0056
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Kramer PA, Berthaume MD. (2021) Introduction to Anthroengineering. Royal Society Interface 11: 20210058. doi: 10.1098/rsfs.2021.0058
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- Agoada D, Kramer PA (2020) Radiographic measurements of the talus and calcaneus in the adult pes planus foot type. American Journal of Physical Anthropology 171:613-27. Doi: 10.1002/ajpa.23994.
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Bailey JF, Sparrey CJ, Williams FMK, Curran PF, Lotz JC, Kramer PA (2020) The effect of parity on age-related degenerative changes in sagittal balance. Spine 45:E210-216. Doi: 10.1097/BRS.0000000000003234
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Lautzenheiser SG, Sylvester AD, Kramer PA (2020) Estimating the in vivo location of the talus from external surface landmarks. American Journal of Physical Anthropology, 171:354-36. Doi: 10.1002/ajpa.23957
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- Lautzenheiser SG, Sylvester, AD, and Kramer PA. Estimating the in vivo location of the talus from external surface landmarks. American Journal of Physical Anthropology, 171(2), 354–360. https://doi.org/10.1002/ajpa.23957
- Been, Ella, Asier Gómez-Olivencia, and Patricia A. Kramer. "Brief Communication: Lumbar Lordosis in Extinct Hominins: Implications of the Pelvic Incidence." American Journal of Physical Anthropology 154.2 (2014): 307-14. Web.
- Lautzenheiser, Steven G., and Patricia Ann Kramer. "Linear and Angular Measurements of the Foot of Modern Humans: A Test of Morton'S Foot Types." The Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology 296.10 (2013): 1526-533. Web.
Research Advised: Graduate Dissertations
- Hammerberg, Alexandra. The Influence of the Mechanics of the Foot-Ground Interaction on Cost During Bipedal Walking. Diss. U of Washington. 2020.
- Lautzenheiser, Steven. Changes of Direction: Forces and Moments on the Human Talus. Diss. U of Washington. 2019.
- Agoada, David. The pes planus foot type and its evolutionary significance: the use of radiographic measurements of the talus and calcaneus in the interpretation of hominin pedal remains. Diss. U of Washington. 2018.
- Bailey, Jeannie Fern. Postural loading, sacral orientation and age influence sex-differences in lumbar functional morphology and health. Diss. U of Washington, 2016.
- Duncan, Andrea Elizabeth. Longitudinal Development of Spinal Osteoarthritis in Macaca Mulatta. Diss. U of Washington, 2010.
Research Advised: Graduate Predissertation Pilot Awards
Courses Taught
Autumn 2023
Spring 2023
Winter 2023
Autumn 2022
Spring 2022
Winter 2022
Spring 2020
Winter 2020
Spring 2019
Spring 2018
Winter 2018
Spring 2016
Affiliations
Related News
Related News
- Evolving an arch across the foot’s width helped hominids walk upright - February 26, 2020
- Study reconstructs Neandertal ribcage, offers new clues to ancient human anatomy - October 30, 2018
- From the Chair — Spring 2018 - May 9, 2018
- From the Chair — Spring 2017 - June 5, 2017
- Faculty | Staff News 2015 - May 1, 2015
- Faculty | Staff News 2014 - May 1, 2014
- From the Chair — Spring 2014 - March 31, 2014
- Faculty | Staff News 2013 - April 1, 2013