Publications

Journal publications

1. V. Joshi and M. Srinivasan. Walking on a moving surface: Energy-optimal walking motions on a shaky bridge and a shaking treadmill can reduce energy costs below normal, Proceedings of the Royal Society. A 471: 20140662, 2015. Link to article

2. V. Joshi and M. Srinivasan. Walking crowds on a shaky surface: The mechanics of stable walking predict Millennium bridge oscillations with and without pedestrian synchrony, Biology Letters. 14: 20180564, 2018. Link to article

3. V. Joshi and M. Srinivasan. A controller for walking derived from how humans recover from perturbations, Journal of the Royal Society Interface. 16(157): 20190027, 2019.  Link to article

4. V. Joshi, E.J. Rouse, E.S. Claflin, C. Krishnan. How does ankle mechanical stiffness change as a function of muscle activation in standing and during the late stance of walking, IEEE Transactions on Biomedical Engineering. 2021 Oct 4. Link to article 

5. V. Joshi, S. Popp, J.K. Werfel, H.F. McCreery. Alignment with neighbours enables escape from dead ends in flocking models, Journal of the Royal Society Interface. 19: 20220356, 2022. Link to article 

6. A.L. Shorter,  J.K. Richardson, S.B. Finucane, V. Joshi, K. Gordon, E.J. Rouse. Characterization and clinical implications of ankle impedance during walking in chronic stroke, Scientific Reports 11, 16726, 2021. Link to article

7. L.H. Cubillos, E.J. Rouse, T.E. Augenstein, V. Joshi, E.S. Claflin, C. Krishnan. Reliability and minimal detectable change of stiffness and other mechanical properties of the ankle joint in standing and walking, Gait & Posture. 108:56-62, 2023. Link to article

8. D. Raz, V. Joshi, B. R. Umberger and N. Ozay, "Ankle Exoskeletons May Hinder Standing Balance in Simple Models of Older and Younger Adults," in IEEE Transactions on Neural Systems and Rehabilitation Engineering, 33:1145-1155, 2025. Link to article.

In review

1. A. Sundararajan, V. Joshi, B.R. Umberger, M.C. O'Neill. MocoExtendProblem: Interface Between OpenSim and MATLAB for Rapidly Developing Direct Collocation Goals in Moco. 2024. Link to pre-print

Conference presentations

1. V. Joshi, K.A. Boyer, J.A. Kent, B.R. Umberger, Effects of age-related loss of muscle strength and mass on predicted gait. American Society of Biomechanics Conference, Madison, WI, August 2024.

2. V. Joshi, K.A. Boyer and B.R. Umberger, Scaling musculoskeletal models using dynamometry. American Society of Biomechanics Conference, Knoxville, TN, August 2023.

3. V. Joshi, K.A. Boyer, and B.R. Umberger, Optimal control gait simulations of older adults predict foot placement trends not captured by reflex-based models. North American Congress on Biomechanics, Ottawa, ON, Canada, August 2022.

4. V. Joshi, E.J. Rouse, and C. Krishnan, How does ankle impedance change as a function of age, muscle activation, and walking speed? Conference on Dynamic Walking, Online, May 2020.

5. V. Joshi and M. Srinivasan. A full-state controller for the simple inverted pendulum biped derived from human perturbation experiments. American Society of Biomechanics, Rochester, MN, Aug 2018. (Finalist for ASB doctoral student presentation competition, top 36 of nearly 250 submissions)

6. V. Joshi and M. Srinivasan. Using perturbation experiments to infer how humans control walking. American Society of Biomechanics, Boulder, CO, Aug 2017

7. V. Joshi and M. Srinivasan. Finding the human walking controller from perturbed walking + Human-structure interaction: The Millennium Bridge. Conference on Dynamic Walking, Finland, June 2017

8. V. Joshi and M. Srinivasan. Is human walking behavior better predicted by energetics or stability: a case-study involving human-structure interactions. International Society of Electrophysiology and Kinesiology Congress, Chicago, IL, July 2016

9. V. Joshi and M. Srinivasan. Understanding foot placement and leg-force generation in humans using perturbation experiments. Conference on Dynamic Walking, Holly, MI, June, 2016

10. B. Clark, V. Joshi, Y. Wang, and M. Srinivasan. On human walking foot placement + Energy-optimal perturbation recovery for a walking biped. Conference on Dynamic Walking, Columbus, OH, July 2015

11. V. Joshi and M. Srinivasan. Walking on a shaky bridge and shaken treadmill: optimal walking motions predict metabolic costs below normal. Conference on Dynamic Walking, Columbus, OH, July 2015

12. V. Joshi and M. Srinivasan. Humans walking on shaky and shaking surfaces: application to oscillating treadmills and the London Millennium Bridge. World Congress of Biomechanics, Boston, MA, July 2014