Publications


Identification of Patient-Specific EMG Detectors for Robot-Assisted Therapy Using Rest and Move State EMG Data
Monisha Yuvaraj, A T Prabakar, Varadhan SKM, Etienne Burdet, Ander Ramos-Murguialday, Sivakumar Balasubramanian
IEEE Access, 2025 (Accepted)



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Autoencoder-based Approaches for Upper Limb Use Detection
Parvathy Neelakanan, Varadhan SKM, Sivakumar Balasubramanian
IEEE Access, 2025
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Underactuated Finger Design: A Minimalistic Approach Towards Biomimetic Prosthetic Finger
Vignesh Sompur, Varadhan SKM, and Asokan Thondiyath
IEEE Access, 2025
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Grasp-dependent modulations in EEG - EMG coherence are observed in young but not older adults
Balasubramanian Eswari, Sivakumar Balasubramanian, and Varadhan SKM
IEEE Transactions on Neural Systems & Rehabilitation Engineering, 2025
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Carpal tunnel release surgery restores force control but not force coordination in CTS patients
Thomas Jacob*, Mohamed Ibrahim B K, Vishnu Babu G, Shyamnath Krishna Pandian K, R Krishnamoorthy, G Karthikeyan, P Jeyakumar, V S Valarmathy, Jahir Hussain, C S Ezhilavan, K Sridhar, Sivakumar Balasubramanian, and Varadhan SKM
Scientific Reports, 2025
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Comparable neural and behavioural performance in dominant and non-dominant hands during grasping tasks
Balasubramanian Eswari, Sivakumar Balasubramanian, and Varadhan SKM
Scientific Reports, 2025
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Older individuals do not show task specific variations in EEG band power and finger force coordination
Balasubramanian Eswari, Sivakumar Balasubramanian, and Varadhan SKM
IEEE Transactions on Biomedical Engineering, 2024
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A systematic investigation of detectors for low signal-to-noise ratio EMG signals
Yuvaraj M, Raja P, David A, Burdet E, S.K.M Varadhan, and Balasubramanian S
F1000Research, 2024
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How to train your posture: Haptic feedback can be used for postural adaptation of the trunk during upper-limb motor training
Agarwal R, Hussain A, Domenico C., and S.K.M Varadhan
IEEE Transactions on Haptics, 2023
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Artificial hand for prosthetic applications
Vignesh Sompur, Asokan Thondiyath, Varadhan SKM
Patent Granted, 2023



Posture correction system and method thereof
Rakhi Agarwal, Vignesh Sompur, Varadhan SKM, and Domenico Campolo
Patent Granted, 2023



Comparing algorithms for assessing upper limb use with inertial measurement units
Subash T, David A, Reeta Janet Surekha S, Gayathri S, Samuelkamaleshkumar S, Magimairaj HP, Malesevic N, Antfolk C, SKM Varadhan, Melendez-Calderon A, and Balasubramanian S
Frontiers in Physiology, 2022
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Evidence to support the mechanical advantage hypothesis of grasping at low force levels
Rajakumar B and S.K.M. Varadhan
Scientific Reports, 2022
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Let the Force Guide You: A Performance-Based Adaptive Algorithm for Postural Training using Haptic Feedback
Agarwal R, Hussain A, S.K.M Varadhan, and Domenico C
Frontiers in Human Neuroscience, 2022
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Inverse saxophone – a device to study the role of individual finger perturbations on grasp stability
Jacob T, Dutta S, Annamalai S J, and S.K.M Varadhan
Motor Control, 2022



Design and Validation of an IMU Based Full Hand Kinematic Measurement System
Shenoy P, Gupta A, and S.K.M Varadhan
IEEE Access, 2022
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Datasets of fingertip forces while grasping a handle with unsteady thumb platform
Rajakumar B and S.K.M Varadhan
Scientific Data, 2022
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A Framework for Sensor-Based Assessment of Upper-Limb Functioning in Hemiparesis
David A, Subash T, S.K.M Varadhan, Melendez-Calderon A, Balasubramanian S
Frontiers in Human Neuroscience, 2021
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Quantification of the relative arm use in patients with hemiparesis using inertial measurement units
David A, StephenSukumaran ReethaJanetSureka, Sankaralingam Gayathri, Salai Jeyseelan Annamalai, Selvaraj Samuelkamleshkumar, Anju Kuruvilla, Henry Prakash Magimairaj, SKM Varadhan, and Sivakumar Balasubramanian
Journal of Rehabilitation and Assistive Technologies Engineering, 2021
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Wrist Posture Does Not Influence Finger Interdependence
Niranjan Chakrabhavi and Varadhan SKM
Journal of Applied Biomechanics, 2019



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Thumbs up: movements made by the thumb are smoother and larger than fingers in finger-thumb opposition tasks
Rachaveti, Dhanush, Niranjan Chakrabhavi, Vaisakh Shankar, and Varadhan Skm
PeerJ, 2018
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Age effects on rotational hand action
Varadhan SKM, Wei Zhang, Vladimir M. Zatsiorsky and Mark L. Latash
Human Movement Science, 2012
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Adaptive increase in force variance during fatigue in tasks with low redundancy
Tarkeshwar Singh, Varadhan SKM, Vladmir M. Zatsiorsky and Mark L. Latash
Neuroscience Letters, 2010
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Variance components in discrete force production tasks
Varadhan SKM, Vladmir M. Zatsiorsky and Mark L. Latash
Experimental Brain Research, 2010
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Fatigue and motor redundancy: adaptive increase in finger force variance in multi-finger tasks
Tarkeshwar Singh, Varadhan SKM, Vladmir M. Zatsiorsky and Mark L. Latash
Journal of Neurophysiology, 2010
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The sources of two components of variance: An example of multifinger cyclic force production tasks at different frequencies
Jason Friedman, Varadhan SKM, Vladimir M. Zatsiorsky, Mark L. Latash
Experimental Brain Research, 2009
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