Biomaterial Database

Involuntary single motor unit discharges in spastic muscles during EMG biofeedback training. 1979

E M Regenos, and S L Wolf

The apparent involuntary single motor unit discharges observed in many extremity muscles of spastic patients necessitate monitoring raw electromyography during training sessions. The clinician should note that electronic components of some biofeedback instruments may amplify and distort these units so that the feedback, whether by meter or by variable pitch tone, may erroneously be perceived by the patient as a high level of muscle tension.

UI	MeSH Term	Description	Entries
D009128	Muscle Spasticity	A form of muscle hypertonia associated with upper MOTOR NEURON DISEASE. Resistance to passive stretch of a spastic muscle results in minimal initial resistance (a "free interval") followed by an incremental increase in muscle tone. Tone increases in proportion to the velocity of stretch. Spasticity is usually accompanied by HYPERREFLEXIA and variable degrees of MUSCLE WEAKNESS. (From Adams et al., Principles of Neurology, 6th ed, p54)	Clasp-Knife Spasticity,Spastic,Clasp Knife Spasticity,Spasticity, Clasp-Knife,Spasticity, Muscle
D004576	Electromyography	Recording of the changes in electric potential of muscle by means of surface or needle electrodes.	Electromyogram,Surface Electromyography,Electromyograms,Electromyographies,Electromyographies, Surface,Electromyography, Surface,Surface Electromyographies
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000200	Action Potentials	Abrupt changes in the membrane potential that sweep along the CELL MEMBRANE of excitable cells in response to excitation stimuli.	Spike Potentials,Nerve Impulses,Action Potential,Impulse, Nerve,Impulses, Nerve,Nerve Impulse,Potential, Action,Potential, Spike,Potentials, Action,Potentials, Spike,Spike Potential
D001676	Biofeedback, Psychology	The therapy technique of providing the status of one's own AUTONOMIC NERVOUS SYSTEM function (e.g., skin temperature, heartbeats, brain waves) as visual or auditory feedback in order to self-control related conditions (e.g., hypertension, migraine headaches).	Biofeedback (Psychology),Bogus Physiological Feedback,False Physiological Feedback,Feedback, Psychophysiologic,Biofeedback,Feedback, Psychophysiological,Myofeedback,Psychophysiologic Feedback,Biofeedbacks,Biofeedbacks (Psychology),Biofeedbacks, Psychology,Bogus Physiological Feedbacks,False Physiological Feedbacks,Feedback, Bogus Physiological,Feedback, False Physiological,Feedbacks, Bogus Physiological,Feedbacks, False Physiological,Myofeedbacks,Physiological Feedback, Bogus,Physiological Feedback, False,Physiological Feedbacks, Bogus,Physiological Feedbacks, False,Psychology Biofeedback,Psychology Biofeedbacks