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Updated: Jun 23, 2026
14:55
Methods to Quantify Pharmacologically Induced Alterations in Motor Function in Human Incomplete SCI
Published on: April 18, 2011
13.8K
Tapping into the human spinal locomotor centres with transspinal stimulation
Andreas Skiadopoulos1,2, Maria Knikou3,4,5,6
1Klab4Recovery Research Program, The City University of New York, New York, USA.
Scientific Reports
|March 13, 2024
Summary
Transspinal stimulation modulates human locomotion by affecting joint kinematics and dynamic stability during walking. This neuromodulatory strategy impacts gait symmetry and stability, suggesting potential for clinical applications in movement disorders.
Area of Science:
- Neuroscience
- Biomechanics
- Motor Control
Background:
- Human locomotion relies on spinal neuronal networks, similar to those in animals.
- Transspinal stimulation (TSS) targets these networks to aid mobility in individuals with paralysis.
- The precise effects of TSS on locomotor network function across varying parameters remain unclear.
Purpose of the Study:
- To investigate the impact of transspinal stimulation (TSS) on 3D joint kinematics and gait characteristics.
- To analyze gait patterns, dynamic stability, and limb coordination under different TSS frequencies and intensities.
- To understand the functional role of locomotor centers during TSS in healthy individuals.
Main Methods:
- Healthy subjects walked at a self-selected speed while undergoing transspinal stimulation.
- Stimulation was applied at frequencies of 15, 30, and 50 Hz, at both sub-threshold and supra-threshold intensities.
- 3D joint kinematics and spatiotemporal gait parameters were meticulously documented.
Main Results:
- TSS significantly altered hip, knee, and ankle joint kinematics.
- Improved coordination was observed at the left ankle and between thighs (interlimb) and thigh-to-foot (intralimb).
- Enhanced dynamic stability of the hips, increased step length variability persistence, and altered mechanical walking stability were noted.
Conclusions:
- Transspinal stimulation is a key neuromodulatory strategy influencing gait symmetry and dynamic stability.
- The consistent effects across different stimulation parameters highlight its potential for clinical use.
- Further research into specific stimulation protocols is warranted for optimizing therapeutic applications.
Keywords:
Dynamic stabilityInterlimb coordinationIntralimb coordinationLocomotor networksMotor controlTransspinal stimulationMore Related Videos
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