A Problem with Research on the Use of EMG Biofeedback

question 14

Multiple Choice

A problem with research on the use of EMG biofeedback to reduce tension headaches is that

• A)some patients cannot learn to relax their forehead muscles with the EMG equipment
• B)patients can only relax their forehead muscles when connected to the biofeedback equipment
• C)the EMG biofeedback produced only temporary improvement
• D)none of the above

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Definitions:

Preventive Maintenance

Regular and systematic inspection, cleaning, and replacement of worn parts, materials, and systems to prevent sudden failure and downtime.

Breakdown Maintenance

Maintenance work performed after a machine or system fails to restore it to operational condition.

MTBF Distribution

Mean Time Between Failures Distribution, a statistical representation of the expected time between failures for a system or component, crucial for reliability analysis.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values deviate from the mean.