Biophysical Agents: Final Exam With Questions And Answers 2023

What is the clinical application of biofeedback EMG in PT setting? Correct Answer: -teaching pt to gain control and contract quads -teach pt how to relax to relieve migraines What is inhibition biofeedback EMG? What is recruitment? Correct Answer: -inhibition: intending to reduce recruitment of an overactive or spastic mm -recruitment: intended to inc recruitment of an under-active or atrophied mm What is threshold in biofeedback? Correct Answer: -the goal level of electrical activity set by therapist What is sensitivity in biofeedback? Correct Answer: -ability of device to detect small stimuli -determined by gain setting What is gain in biofeedback? Correct Answer: -amplifies signal -increased for smaller signals or decreased for larger signals -altered to shape the pt's mm contractions What does shaping refer to in biofeedback? Correct Answer: -alterations of threshold and gain used to inc. Or dec. The pt's mm activity What are the types of feedback in biofeedback? When are these displayed? Correct Answer: -audio (beeping) -visual (signal) -when desired activity is reached What are the 6 indications for biofeedback? Correct Answer: -hemiplegia -quad strengthening -headaches -PF disorders -chronic pain conditions -TMJ What are the 9 steps to performing a biofeedback treatment? Correct Answer: 1. Choose technique 2. Instruct pt 3. Prep skin 4. Choose target mm and electrode site 5. Align electrodes w/ mm fibers (may need to add gel) 6. Assess baseline activity 7. Set threshold 8. Monitor and reset threshold 9. Remove and reassess impairment What is galvanotaxis in tissue healing? Correct Answer: -use of direct current to move/align healing cells (wbcs