Evaluation of Myoelectric Control Learning Using Multi-Session Game-Based Training.

Area of Science:

• Rehabilitation Engineering
• Neuroprosthetics
• Biomechanics

Background:

• Effective training is crucial for myoelectric prosthesis adoption.
• Previous studies often used limited training durations, questioning generalizability to clinical settings.
• Assessing functional prosthesis use alone may overlook underlying muscle control improvements.

Purpose of the Study:

• To investigate the necessary duration of myoelectric training for improved muscle control.
• To evaluate the effectiveness of a standardized training protocol on foundational muscle control.
• To introduce novel metrics for quantifying muscle control in myoelectric prosthesis users.

Main Methods:

• Thirty participants completed ten 30-minute myoelectric training sessions over multiple days.
• Progress was tracked using newly developed metrics focused on foundational muscle control.
• The study assessed improvements in muscle control independent of overall functional prosthesis use.

Main Results:

• Myoelectric training demonstrated improvements in underlying muscle control.
• These improvements in muscle control may require longer training periods than previously assumed.
• Muscle control enhancements were observed even after improvements in the training interface itself.

Conclusions:

• Extended myoelectric training duration is likely necessary for optimal muscle control development.
• The assessment of training transfer should consider the timeline of underlying muscle control improvements.
• Revising training protocols and assessment strategies may enhance myoelectric prosthesis rehabilitation.