Amy Lenz, PhD

Languages spoken:

Academic Information

Departments: Orthopaedics - Research Instructor

Academic Office Information

amy.lenz@utah.edu

Education History

Doctoral Training Michigan State University
Engineering Mechanics 		Ph.D.
Graduate Training University of Delaware
Mechanical Engineering 		M.S.
Undergraduate University of Wisconsin-Madison
Biomedical Engineering 		B.S.

Selected Publications

  1. Requist MR, Sripanich Y, Rolvien T, Barg A, Lenz AL (2021). Micro-CT analysis of the Lisfranc complex reveals higher bone mineral density in dorsal compared to plantar regions. J Orthop Res, 40(6), 1457-1469.
  2. Lenz AL, Lisonbee RJ, Peterson AC, Roach KE, Foreman KB, Barg A, Anderson AE (2022). Total Ankle Replacement Provides Symmetrical Postoperative Kinematics: A Biplane Fluoroscopy Imaging Study. Foot Ankle Int, 43(6), 818-829.
  3. Burssens A, Krhenbhl N, Lenz AL, Howell K, Zhang C, Sripanich Y, Saltzman CL, Barg A (2021). Interaction of loading and ligament injuries in subtalar joint instability quantified by 3D weightbearing computed tomography. J Orthop Res, 40(4), 933-944.
  4. Lewis CL, Uemura K, Atkins PR, Lenz AL, Fiorentino NM, Aoki SK, Anderson AE (2022). Patients with cam-type femoroacetabular impingement demonstrate increased change in bone-to-bone distance during walking: A dual fluoroscopy study. J Orthop Res, 41, 161-169.
  5. DeKeyser GJ, ONeill DC, Sripanich Y, Lenz AL, Saltzman CL, Haller JM, Barg A (2021). Talar Dome Access Through Posteromedial Surgical Intervals for Fracture Care. Foot Ankle Int, 43(2), 223-232.
  6. DeKeyser GJ, Sripanich Y, ONeill DC, Lenz AL, Haller JM, Saltzman CL, Barg A (2021). Mapping of Posterior Talar Dome Access Through Posteromedial Versus Posterolateral Approaches. J Orthop Trauma, 35(12), e463-e469.
  7. Lenz AL, Strobel MA, Anderson AM, Fial AV, MacWilliams BA, Krzak JJ, Kruger KM (2021). Assignment of local coordinate systems and methods to calculate tibiotalar and subtalar kinematics: A systematic review. [Review]. J Biomech, 120, 110344.
  8. Sripanich Y, Steadman J, Krhenbhl N, Rungprai C, Saltzman CL, Barg A, Lenz AL (2021). Anatomy and biomechanics of the Lisfranc ligamentous complex: A systematic literature review. [Review]. J Biomech, 119, 110287.
  9. Lenz AL, Krhenbhl N, Peterson AC, Lisonbee RJ, Hintermann B, Saltzman CL, Barg A, Anderson AE (2021). Statistical shape modeling of the talocrural joint using a hybrid multi-articulation joint approach. Sci Rep, 11(1), 7314.
  10. Requist MR, Sripanich Y, Peterson AC, Rolvien T, Barg A, Lenz AL (2021). Semi-automatic micro-CT segmentation of the midfoot using calibrated thresholds. Int J Comput Assist Radiol Surg, 16(3), 387-396.
  11. Lenz AL, Krhenbhl N, Lisonbee RJ, Peterson AC, Atkins PR, Hintermann B, Saltzman CL, Anderson AE, Barg A (2020). Morphologic analysis of the subtalar joint using statistical shape modeling. J Orthop Res, 38(12), 2625-2633.
  12. Burssens A, Krhenbhl N, Weinberg MM, Lenz AL, Saltzman CL, Barg A (2020). Comparison of External Torque to Axial Loading in Detecting 3-Dimensional Displacement of Syndesmotic Ankle Injuries. Foot Ankle Int, 41, 1071100720936596.
  13. Blair DJ, Barg A, Foreman KB, Anderson AE, Lenz AL (2020). Methodology for Measurement of in vivo Tibiotalar Kinematics After Total Ankle Replacement Using Dual Fluoroscopy. Front Bioeng Biotechnol, 8, 375.
  14. Lenz AL, Nichols JA, Roach KE, Foreman KB, Barg A, Saltzman CL, Anderson AE (2020). Compensatory Motion of the Subtalar Joint Following Tibiotalar Arthrodesis: An in Vivo Dual-Fluoroscopy Imaging Study. J Bone Joint Surg Am, 102(7), 600-608.
  15. Krhenbhl N, Akkaya M, Dodd AE, Hintermann B, Dutilh G, Lenz AL, Barg A, International Weight Bearing CT Society (2019). Impact of the rotational position of the hindfoot on measurements assessing the integrity of the distal tibio-fibular syndesmosis. Foot Ankle Surg, 26, 810-817.
  16. Lenz AL, Krhenbhl N, Howell K, Lisonbee R, Hintermann B, Saltzman CL, Barg A (2019). Influence of the ankle position and X-ray beam angulation on the projection of the posterior facet of the subtalar joint. Skeletal Radiol, 48(10), 1581-1589.
  17. Lenz AL, Bush TR (2019). Evaluating shear and normal force with the use of an instrumented transtibial socket: A case study. Med Eng Phys, 71, 102-107.
  18. Lenz AL, Krhenbhl N, Lisonbee R, Deforth M, Zwicky L, Hintermann B, Saltzman CL, Anderson AE, Barg A (2019). Imaging of the subtalar joint: A novel approach to an old problem. J Orthop Res, 37(4), 921-926.
  19. Lenz AL, Johnson KA, Tamara Reid B (2017). Understanding Displacements of the Gel Liner for Below Knee Prosthetic Users. J Biomech Eng, 140(9).
  20. Lenz AL, Johnson KA, Bush TR (2018). A new method to quantify liner deformation within a prosthetic socket for below knee amputees. J Biomech, 74, 213-219.
  21. Lenhart RL, Francis CA, Lenz AL, Thelen DG (2014). Empirical evaluation of gastrocnemius and soleus function during walking. J Biomech, 47(12), 2969-74.
  22. Francis CA, Lenz AL, Lenhart RL, Thelen DG (2013). The modulation of forward propulsion, vertical support, and center of pressure by the plantarflexors during human walking. Gait Posture, 38(4), 993-7.
  23. Thelen DG, Lenz AL, Francis C, Lenhart RL, Hernndez A (2013). Empirical assessment of dynamic hamstring function during human walking. J Biomech, 46(7), 1255-61.
  24. Hernndez A, Lenz AL, Thelen DG (2010). Electrical stimulation of the rectus femoris during pre-swing diminishes hip and knee flexion during the swing phase of normal gait. IEEE Trans Neural Syst Rehabil Eng, 18(5), 523-30.