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TMR or targeted muscle re-innervation is a method of allowing an artificial or virtual arm, to respond as an organic arm would to sub-conscious thought patterns. TMR works by rewiring nerve endings.

Surgeons cut the nerves serving chest muscles that once helped support and move the missing limb. These are, after all, no-longer needed. Then they separate out the motor nerves in the arm stump that used to control the patient's arm and connect them to the chest muscle instead. This gives the nerves ample blood supply to keep working. When the patient goes to move their arm or hand, the nerves in the chest muscle fire, sending the signal to the ?arm?, and the signal is picked up, and deciphered by a sensor which tells the prosthetic how to move.

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Related Dictionary Entries for TMR:

Brain Machine Interface

Brain-Machine Interface

Event Related Potential


Functional Electrical Stimulation

Lower Extremity Functional Electrical Stimulation

Neuromusclar Electrical Stimulation


Smart Prosthetic

Targeted Muscle Re-Innervation



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