SoftHand Comparison Study

Exclusion Criteria

• •1. individuals who have had transradial amputation for less than 6 months;
• •2. individuals who have been fit and trained to use a prosthesis but chose not to use one;
• •3. individuals who use the i-Limb Quantum myoelectric prosthesis;
• •4. symptomatic brachial plexopathy, cervical radiculopathy or polyneuropathy (observed);
• •5. orthopedic, joint degeneration (i.e., arthritis, self-reported) affecting the hand or cervical spine that severely limit upper limb function (observed);
• •6. visual problems that would interfere with the grasping;
• •7. co-existing central nervous system disease with symptoms that limit upper extremity function (e.g., multiple sclerosis, motor neuron disease, myasthenia gravis, Parkinson's disease, dystonia) revealed in medical history;
• •8. limited range of motion as assessed through range of motion testing;
• •9. inability to follow study instructions;
• •10. use of medications that might affect sensory and/or motor functions.