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Neural functional rehabilitation: exploring neuromuscular reconstruction technology advancements and challenges.
Neural Regen Res
December 2024
Department of Neural Engineering Center, Shenzhen Institutes of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, Guangdong Province, China.
Neural machine interface technology is a pioneering approach that aims to address the complex challenges of neurological dysfunctions and disabilities resulting from conditions such as congenital disorders, traumatic injuries, and neurological diseases. Neural machine interface technology establishes direct connections with the brain or peripheral nervous system to restore impaired motor, sensory, and cognitive functions, significantly improving patients' quality of life. This review analyzes the chronological development and integration of various neural machine interface technologies, including regenerative peripheral nerve interfaces, targeted muscle and sensory reinnervation, agonist-antagonist myoneural interfaces, and brain-machine interfaces.
View Article and Find Full Text PDFArticle Synopsis
- * The AMI surgery involves grafting the soleus muscle and reconnecting nerves to enhance motor function and proprioception in rats.
- * Results showed that AMI-treated rats had better neurological repair and improved walking stability compared to control rats, suggesting that AMI could help regain proprioceptive function in prosthetic limbs.
Using Electrical Muscle Stimulation to Enhance Electrophysiological Performance of Agonist-Antagonist Myoneural Interface.
Bioengineering (Basel)
September 2024
Shenzhen Institute of Advanced Technology of the Chinese Academy of Sciences, Shenzhen 518055, China.
Article Synopsis
- The study looked at a surgery called the agonist-antagonist myoneural interface (AMI) that helps people with prosthetic limbs feel sensations like they have their real limbs back.
- After the surgery, the muscles can get weak because they’re not used much, but electrical muscle stimulation (EMS) can help keep the muscles strong.
- The experiment on rats showed that those treated with EMS had better muscle performance and sensations, making the surgery even more effective than those who didn’t get EMS.
Resting state neurophysiology of agonist-antagonist myoneural interface in persons with transtibial amputation.
Sci Rep
June 2024
Biomechatronics Group, Massachusetts Institute of Technology, Media Lab, Cambridge, MA, 02139, USA.
Article Synopsis
- The agonist-antagonist myoneural interface (AMI) is a type of amputation surgery that aims to maintain the natural signaling processes between the central and peripheral nervous systems.
- A study by Srinivasan et al. (2020) used neuroimaging to observe the neural activity of AMI subjects and found notable proprioceptive feedback signals to the brain.
- The research indicates that AMI surgery leads to changes in brain connectivity that differ from traditional amputations, suggesting potential benefits for neurorehabilitation and prosthetic development.
The Agonist-Antagonist Myoneural Interface in a Transtibial Amputation.
JBJS Essent Surg Tech
August 2023
Department of Orthopaedic Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland.
Background: The agonist-antagonist myoneural interface (AMI) technique at the time of transtibial amputation involves the use of agonist-antagonist muscle pairs to restore natural contraction-stretch relationships and to improve proprioceptive feedback when utilizing a prosthetic limb.
Description: Utilizing the standard incision for a long posterior myofasciocutaneous flap, the lateral and medial aspects of the limb are dissected, identifying and preserving the superficial peroneal and saphenous nerve, respectively. The tendons of the tibialis anterior and peroneus longus are transected distally to allow adequate length for the AMI constructs.
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