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Related Experiment Video

Updated: Jan 12, 2026

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study

Published on: November 6, 2015

Interlimb training improves motor function in partial-hand but not necessarily transradial simulated prosthesis use.

Bennett L Alterman¹, Saif Ali¹, Emily Keeton¹

¹School of Biological Sciences, Georgia Institute of Technology, 555 14th Street, Room 1309E, Atlanta, GA, 30332-0356, USA.

Scientific Reports

|November 5, 2025

Summary

Interlimb training may improve motor control for upper limb amputation rehabilitation. Partial-hand prosthesis users showed greater benefits than transradial prosthesis users in this 5-day study.

Keywords:

Adaptation Amputation Motor learning Rehabilitation Upper limb

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Last Updated: Jan 12, 2026

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Area of Science:

Rehabilitation Medicine
Neuroscience
Prosthetics & Bionics

Background:

Functional rehabilitation is crucial in acute/subacute stages post-upper limb amputation.
Interlimb training offers a potential method for transferring learned skills from the unaffected to the affected limb.
This approach is particularly relevant while awaiting prosthesis fitting.

Purpose of the Study:

To investigate the efficacy of a 5-day interlimb training paradigm on motor control in individuals using prosthesis simulators.
To determine if interlimb training yields greater improvements in partial-hand prosthesis users compared to transradial prosthesis users.
To assess the impact of interlimb training on both simple and complex reach-to-grasp tasks.

Main Methods:

Participants with intact limbs performed simple and complex reach-to-grasp tasks using body-powered transradial or partial-hand prosthesis simulators.
A 5-day interlimb training protocol was implemented.
Motor control improvements were assessed pre- and post-training.

Main Results:

Partial-hand prosthesis users demonstrated greater performance adaptations with interlimb training compared to transradial prosthesis users.
Transradial prosthesis users showed minimal to no improvement following the training.
Partial-hand users exhibited significantly higher reach peak velocities post-training in both simple and complex tasks.

Conclusions:

Interlimb training shows promise for early-stage rehabilitation following upper limb amputation.
The benefits of interlimb training appear more pronounced for individuals with partial-hand loss.
Further research can explore optimizing interlimb training protocols for diverse amputation levels.