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Myoelectric forearm prostheses: State of the art from a user-centered perspective

Myoelectric forearm prostheses: State of the art from a user-centered perspective. Bart Peerdeman, MSc; Daphne Boere, MSc; Heidi Witteveen, MSc; Rianne Huis in ‘t Veld, PhD; Hermie Hermens, PhD; Stefano Stramigioli, PhD; Hans Rietman, MD, PhD; Peter Veltink, PhD; Sarthak Misra, PhD.

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Myoelectric forearm prostheses: State of the art from a user-centered perspective

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  1. Myoelectric forearm prostheses: State of the art from a user-centered perspective Bart Peerdeman, MSc; Daphne Boere, MSc; Heidi Witteveen, MSc; Rianne Huis in ‘t Veld, PhD; Hermie Hermens, PhD; Stefano Stramigioli, PhD; Hans Rietman, MD, PhD; Peter Veltink, PhD; Sarthak Misra, PhD

  2. Study Aims • Describe process of determining functional requirements for forearm prostheses. • Apply these requirements to evaluate state of the art in myoelectric (ME) forearm prosthesis research. • Relevance • Despite significant technological advancements, many persons with amputation choose not to use ME prostheses.

  3. Myoelectric Forearm Prosthesis Signal flow in sound human forearm vs desired signal flow and main subsystems of modern myoelectric forearm prosthesis. EMG = electromyographic.

  4. Methods • Needs-assessment workshop (clinicians, academics, and engineers) and literature review identified requirements for user acceptance: • More functions. • Faster reaction and execution. • More intuitive control and feedback.

  5. Conclusions • Modern prosthetic prototypes only partly fulfill user acceptance requirements. • Future research should focus on • Force and position feedback. • Simultaneous control of grasps and wrist movements to increase natural motion and intuitiveness. • Automation of object holding and slip prevention during bimanual tasks. • Alternative actuation to decrease reaction times.

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