Biofeedback Flashcards
What’s the purpose of biofeedback
To help improve function or decrease pain by providing feedback to patient regarding the FACILITATION or INHIBITION of a particular muscle
Indications for facilitatory biofeedback
Impaired volitional motor recruitment post surgery or injury
Impaired motor control following CNS dysfunction
Impaired control of pelvic floor muscles for fecal/urinary control
What is biofeedback
EMG feedback is the monitoring and assessment of skeletal muscle electrical activity
No currents or waveforms are delivered to the patient
Indications for inhibitory feedback
To help reduce spasticity in muscles following CNS dysfunction
Help reduce tension/activty of muscles associated with stress chronic pain
What are the parameters biofeedback
Sensitivity
Gain
threshold
What are the considerations when administering biofeedback
The muscle must be at least partially innervated and activate to a small degree
Wider electrode placement will detect electrical activty from a larger volume of muscle
What size electrode would be used for a weak muscle
Wider electrode
If a patient is able to willingly increase their activity, then the ___ can be decreased and ___
Sensitivity
Electrode placement is narrowed
When when trying to inhibit an active muscle, what happens
Closer electrode placement is recommended
What happens when a patient tries to “quiet” their muscle
Sensitivity increases and electrode placement is widened
What is sensitivity
Refers to the ability of the unit to detect electrical motor activity
Gain is inversely related to sensitivity
What is threshold
Level of muscle activity the patient is trying to achieve
