BCI	Brain–computer interface
CNS	Central nervous system
EMS	High-energy muscle stimulation
FAP	Fibro-adipogenic progenitor
FES	Functional electrical stimulation
IPSC	Induced pluripotent stem cell
LMN	Lower motor neuron
NMES	Neuromuscular electrical stimulation
NMJ	Neuromuscular junction
PNS	Peripheral nervous system
SC	Schwann cell
SCI	Spinal cord injury
SMN	Spinal motor neuron
UMN	Upper motor neuron