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Determining skill level in myoelectric prosthesis use with multiple outcome measures

Determining skill level in myoelectric prosthesis use with multiple outcome measures. Hanneke Bouwsema, MSc; Peter J. Kyberd, PhD; Wendy Hill, BScOT; Corry K. van der Sluis, MD, PhD; Raoul M. Bongers, PhD. Aim Describe myoelectric prosthetic handling at different levels.

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Determining skill level in myoelectric prosthesis use with multiple outcome measures

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  1. Determining skill level in myoelectric prosthesis use with multiple outcome measures Hanneke Bouwsema, MSc; Peter J. Kyberd, PhD; Wendy Hill, BScOT; Corry K. van der Sluis, MD, PhD; Raoul M. Bongers, PhD

  2. Aim • Describe myoelectric prosthetic handling at different levels. • Relate results of clinical level to kinematic measures. • Identify specific parameters that characterize user’s skill level. • Relevance • Tests of specific tasks assess performance and skill level but do not provide insight into quality of movement execution and why users perform in that manner, which are important for rehabilitation practice.

  3. Method • 6 experienced transradial myoelectric prosthesis users performed clinical test (Southampton Hand Assessment Procedure [SHAP]) and 2 grasping tasks. • Measured: • End point kinematics • Joint angles • Gaze

  4. Results • Clinical and kinematic measures broadly agreed. • Participants with higher SHAP scores had overall better kinematic performance: • Smaller movement times. • Better grip force control. • Less visual attention on hand. • Time was key parameter and should be a main rehabilitation focus.

  5. Conclusion • Insights from this study are useful in rehabilitation practice. • They allow therapists to specifically focus on certain parameters that may result in higher skill level for prosthesis user.

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