| AUC | Area under the curve |
| EMG | Electromyography |
| EPSPs | Excitatory postsynaptic potentials |
| FCR | Flexor carpi radialis |
| H-reflex | Hoffmann reflex |
| H1 | First H-reflex response evoked in a train of stimuli |
| H50 | Stimulus intensity required to elicit half-maximal H-reflex response |
| Hmax | Maximum amplitude of the H-reflex |
| Hmax/Mmax | Ratio of maximum H-reflex amplitude to maximum M-wave amplitude |
| HSD | Homosynaptic depression |
| Ia | Group Ia afferent fibers |
| Ib | Group Ib afferent fibers |
| ISI | Inter-stimulus interval |
| M-wave | Motor response following direct electrical activation of motor axons |
| Mmax | Maximum amplitude of the M-wave |
| RDD | Rate-dependent depression |