VARIABILITY SARS-COV-2 CORTICOMUSCULAR COHERENCE MOTOR CONTROL SURFACE EMG DECOMPOSITION MOTOR LATERALIZATION INTERSPIKE INTERVALS ELECTROMYOGRAPHY ELECTROPHYSIOLOGY SYNAPTIC INTEGRATION JOINT ANGLE FORCE VARIBILITY LATERAL DOMINANCE MOTOR UNIT POSITION CONTROL PYTHON HUMAN NEUROPHYSIOLOGY INTRAMUSCULAR EMG CUTANEOUS VIBRATION PRESYNAPTIC INHIBITION SIGNAL-DEPENDENT NOISE VISUAL FEEDBACK POST-COVID-19 SYNDROME CHRONIC FATIGUE PERSISTENT INWARD CURRENT NEURAL DRIVE COMPUTATIONAL NEUROSCIENCE NEUROMUSCULAR FATIGUE CUTANEOUS MECHANORECEPTORS TDCS SPINAL REFLEXES REGULARITY VIBROTACTILE STIMULATION COMPLEXITY FREQUENCY RESPONSE TIME TO TASK FAILURE SPINAL CORD MOTONEURON MODELS AMYOTROPHIC LATERAL SCLEROSIS NEUROMUSCULAR SYSTEM BICEPS BRACHII H-REFLEX REFLEX CONDITIONING COVID-19 NEUROMUSCULAR MODEL MUSCLE SPINDLE FIRST DORSAL INTEROSSEOUS SENSORIMOTOR SYSTEM NEURAL CODING APPROXIMATE ENTROPY MOTOR NEURON LONG COVID