Publications

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1. Ramezani, S., Dranetz J. M., & Choi, H. Muscle Tendon Passive Parameter Estimation Using Musculoskeletal Optimal Control. Annals of Biomedical Engineering, 2025, Accepted.
2. Hossain, M. S. B., Guo, Z., Yoo, S. Y., Song, M. K., Shin H. J., & Choi, H. Knowledge Transfer-Driven Estimation of Knee Moments and Ground Reaction Forces from Smartphone Videos via Temporal-Spatial Modeling of Augmented Joint Dynamics, 2025, PlosOne, Accepted.
3. Hossain, M. S. B., Guo, Z., & Choi, H. Smartphone-Video-Based Kinetics Estimation via Multi-modal Fusion and Knowledge Distillation. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2025, In review. 
4. Banarjee, C., Suarez, J. R. M., Lafontant, K., Choi, H., Chen, C., Xie, R., & Thiamwong, L. (2025). Multimodal Factors Affect Longitudinal Changes in Dynamic Balance in Community-Dwelling Older Adults. Clinical Interventions in Aging, 335-348. 
5. Carroll, M. K. Harold, N. K., Highsmith, M. J., Ulric, A., Latlief, G. A. Courtade, A. M. Conroy, B. K., Phillips, S. L. Hou, S. I., Stock, M. & Choi, H. The smart adaptive socket system and its impact on transtibial prosthesis users: a mixed methods research study. Technology and Innovation, 2025, 1-9. 
6. Carroll, M. K. Hou, S. I., Highsmith, M. J., Stock, M. & Choi, H. The technology acceptance model and its potential impact on orthotic & prosthetic care. Technology and Innovation, 2025, 1-5. 
7. Nguyen, S., Ramezani, S., & Choi, H. Ankle Foot Prosthesis Using a Pneumatic and Hydraulic Hybrid System to Control Stiffness and Energy Return Time, International Consortium for Rehabilitation Robotics (ICORR), 2025, 358-363. IEEE. 
8. Gitifar, S., Nguyen, S., & Choi, H. Mantis shrimp-inspired quasi passive ankle-foot prosthesis, International Consortium for Rehabilitation Robotics (ICORR), 2025., 1530-1535. IEEE. 

1. Irani, E., Shuo, C., Ramezani, S., Patel, A., Malone, J & Choi, H. Computed gastrocnemius muscle moment arm based on wrapping objects derived from 3D ultrasound: Exploring the impact of ankle position and predictability of anthropometrics. Journal of Biomechanics, 2024, 112556 
2. Hill, E. C., Schmidt, J. T., Reedy, K. R., Lubiak, S. M., Proppe, C. E., Rivera, P. M., Gonzalez-Rojas, D. H., Lawson, J. E., Parjapati, A. J., Shah, N. M., Patel, N. N. Guirgis, A. M., Silverio, A. A., Howard, M. A., Choi, H., Keller, J. L. Progression and perceptual responses to blood flow restriction resistance training among people with multiple sclerosis. European journal of applied physiology, 2024, 1-14. 
3. Hill, E.C., Proppe, C.E., Rivera, P.M., Lubiak, S., Gonzalez Rojas, D.H., Lawson, J.E., Choi, H., Mansy, & H, Keller, J.L. Blood flow restriction attenuates surface mechanomyography lateral and longitudinal, but not transverse oscillations during fatiguing exercise. Physiological Measurement, 2024. 45(4), 045002. 
4. Dranetz, J. M., Shuo, C., & Choi, H. Impact of Model Geometry and Joint Center Locations on Inverse Kinematic/Dynamic Predictions: A Comparative Study of Sexually Dimorphic Models. Journal of Biomechanics, 2024, 112147.
5. Hill, E.C., Proppe, C.E., Rivera, P.M., Lubiak, S., Gonzalez Rojas, D.H., Lawson, J.E., Choi, H., Mansy, & H, Keller, J.L. Blood flow restriction attenuates surface mechanomyography lateral and longitudinal, but not transverse oscillations during fatiguing exercise. Physiological Measurement, 2024; 45(4), 045002.

1. Hossain, M. S. B., Guo, Z., Sui, N., & Choi, H. Predicting Lower Extremity Joint Kinematics Using Multi-Modal Data in the Lab and Outdoor Environment. Proceedings of the 57th Hawaii International Conference on System Sciences, 2023; https://hdl.handle.net/10125/106770 
2. Rong, H., Ramezani, S., Ambro, A., Lei, C. H., & Choi, H. Design and Characterization of a Variable-Stiffness Ankle Foot Orthosis, 2024. Prosthetics and Orthotics International. Doi: 1097/PXR.0000000000000323.
3. Hossain, M. S. B., Guo, Z., & Choi, H. Estimation of Lower Extremity Joint Moments and 3D Ground Reaction Forces Using IMU Sensors in Multiple Walking Conditions: A Deep Learning Approach. IEEE Journal of Biomedical and Health Informatics, 2023; 27(6), 2829-2840. 
4. Moniruzzaman, M., Hossain, M. S. B., Guo, Z., Choi, H., & Yin, Z. “Wearable Motion Capture: Reconstructing and Predicting 3D Human Poses from Wearable Sensors”, IEEE Transactions on Multimedia, 2023; 27(11), 5345-5356. 

1. Hossain, M. S. B., Guo, Z., & Choi, H. Estimation of Hip, Knee, and Ankle Joint Moment Using a Single IMU Sensor on Foot Via Deep Learning. In 2022 IEEE/ACM Conference on Connected Health: Applications, Systems and Engineering Technologies (CHASE) (pp. 25-33). IEEE. 
2. Hossain, M. S. B., Choi, H., & Guo, Z. Estimating lower extremity joint angles during gait using reduced number of sensors count via deep learning. In Fourteenth International Conference on Digital Image Processing (ICDIP 2022) (Vol. 12342, pp. 1116-1123). SPIE.
3. Hossain, M. S. B., Dranetz, J., Choi, H., & Guo, Z. DeepBBWAE-Net: A CNN-RNN Based Deep SuperLearner For Estimating Lower Extremity Sagittal Plane Joint Kinematics Using Shoe-Mounted IMU Sensors In Daily Living. IEEE Journal of Biomedical and Health Informatics. 2022; 26(8), 3906-3917. 
4. Ramezani, S., Brady, B., Kim, H., Carroll, M. K., & Choi, H. A Method for Quantifying Stiffness of Ankle-Foot Orthoses Through Motion Capture and Optimization Algorithm. IEEE Access, 2022; 58930-58937. 

•  Sanzid Md Hossain, Joseph Dranetz, Hwan Choi, Zhishan Guo “DeepBBWAE-Net: A CNN-RNN Based Deep SuperLearner for Estimating Lower Extremity Sagittal Plane Joint Kinematics Using Shoe-Mounted IMU Sensors In Daily Living”, IEEE Journal of Biomedical and Health Informatics, 2021, In review.
• Matthew Crawford, Sepehr Ramezani, Roghaie Jabbari, Hyong Jin Cho, Brian Kim, Hwan Choi “Development of a Novel Self-Sanitizing Mask Prototype to Combat the Spread of Infectious Disease and Reduce Unnecessary Waste”, Scientific Reports, 2021, In review.
• Sepehr Ramezani, Mohammad H. Yazdi, and Hwan Choi “A Pneumatic-Hydraulic Hybrid Variable Stiffness System”, IEEE International Conference on Intelligent Robots and Systems, 2021, In review.
• Md Moniruzzaman, Sanzid Md Hossain, Zhishan Guo, Hwan Choi, Zhaozheng Yin “Wearable Motion Capture: Reconstructing and Predicting 3D Human Poses from Wearable Sensors”, IEEE International Conference on Computer Vision, 2021, In review.

• G. R. Carbonell*, J. Dranetz*, and H Choi⁺. “A lower limb prosthetic augment for optimal energy recycling, biomimetic to gastrocnemius and achilles tendon function.” 2020, Proceedings of the IEEE RAS and EMBS International Conference on Biomedical Robotics and Biomechatronics, Accepted.
• Dranetz JM*, Ramezani S*, Stock M, Carroll M, Varro M, Choi H⁺, In-Silico Biomechanical Model for Affected Muscle in Transtibial Amputees. Southern Biomechanics Engineering Symposium Journal Proceeding 2020; Accepted.
• Ambro TA*, Carbonell GR*, Jung SM*, Hong JH, Choi H⁺, Lei CH⁺, Design and optimization of variable stiffness ankle foot orthoses via finite element analysis. Southern Biomechanics Engineering Symposium Journal Proceeding 2020; In review. (⁺Co-corresponding authors)

• Ingraham K*, Choi H*, Gardinier E, CD Remy, D Gates, Choosing appropriate prosthetic ankle work to reduce the metabolic cost of individuals with transtibial amputation. Scientific Reports 2018; 15303. (*These authors contributed equally to this work.)

• Choi H, Peters K, MacConnell M, Katie L, Eckert E, and Steele KM, Impact of ankle foot orthosis stiffness on Achilles and gastrocnemius function during unimpaired gait. Journal of Biomechanics 2017;64:145-152.
• Choi H, Wren T, Steele KM, Gastrocnemius operating length with ankle foot orthoses in cerebral palsy. Prosthetics and Orthotics International 2017;41(3):274-285.

• Choi H, Bjornson K, Fatone S, Steele KM, Using musculoskeletal modeling to evaluate the effect of ankle foot orthosis tuning on musculotendon dynamics: a case study. Disability and Rehabilitation Assistive Technology 2015;2:1-6.