Tag: EMG Biofeedback

Effects of EMG Biofeedback and active exercises with Integrated neuromuscular inhibition technique on students with Trapezius myalgia

Ranjani Shree.K, Jagatheesan Alagesan, Jeslin.G. N, Shenbaga Sundaram Subramanian, Karthick.K, Neha Lakshmanan, Praveen Kumar.R, Pavithra.S

Ranjani Shree.K et al. – Effects of EMG Biofeedback and active exercises with Integrated neuromuscular inhibition technique on students with Trapezius myalgia –  Fizjoterapia Polska 2025; 25(2); 370-373

DOI: https://doi.org/10.56984/8ZG00E1O8LL

Abstract
Aim. Trapezius myalgia is a common musculoskeletal condition characterized by pain and trigger points. Electromyography biofeedback (EMG) can improve muscle activation, while active exercise significantly reduces pain and stiffness. This study aimed to examine the effect of EMG biofeedback exercise training and active exercise, along with integrated neuromuscular inhibition technique (INIT), in individuals with trapezius myalgia. Material and methods. This double-blind study included seventy participants with trapezius myalgia, randomly assigned to two groups after informed consent. Both groups received 10 minutes of INIT. The EMG biofeedback group (n=35) performed exercises with electrodes on the upper trapezius, while the active exercise group (n=35) performed exercises without electrodes. Both interventions lasted 15 sessions over 3 weeks. Results. After the intervention, the EMG biofeedback group showed a decrease in Neck Disability Index (NDI) scores to 12.71 ± 1.67, whereas the active exercise group had no significant reduction (24.17 ± 3.13). Post-test pressure algometer scores were higher in the EMG biofeedback group (136.05 ± 5.35) compared to the active exercise group (119.68 ± 3.01). Statistical analysis revealed significant t-values of 19.057 (p < 0.0001) for NDI and 15.752 (p < 0.0001) for pressure algometer scores, indicating the efficacy of EMG biofeedback in reducing neck pain and enhancing pressure sensitivity. Conclusions. The study demonstrates that EMG biofeedback is more effective than active exercise in reducing pain and improving functional ability in individuals with trapezius myalgia.
Key words
trapezius myalgia, emg biofeedback, integrated neuromuscular inhibition technique, active exercise, neck disability index
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Biofeedback Electromyography Training Versus Botulinum Toxin A on Synkinesis and Facial Asymmetry in Bell’s Palsy

Sarah G. Mohamed, Gehan M. Ahamed, Walaa M. Abd El Aziz, Amr M. Al-Said, Abeer Elwishy

Sarah G. Mohamed, Gehan M. Ahamed, Walaa M. Abd El Aziz, Amr M. Al-Said, Abeer Elwishy – Biofeedback Electromyography Training Versus Botulinum Toxin A on Synkinesis and Facial Asymmetry in Bell’s Palsy. Fizjoterapia Polska 2019; 19(3); 118-125

Abstract
Objective. To compare the effect of biofeedback electromyography training versus botulinum toxin A versus selected program of exercise on Synkinesis and facial asymmetry in Bell’s palsy. Methods. 45 patients with moderate facial synkinesis were divided randomly into three groups. All participants were evaluated using Sunnybrook facial grading system (FGS) and House Brackmann scale. The first group consisted of fifteen patients were received EMG biofeedback training for facial muscles. Second group consisted of fifteen patients were received a single dose of BTX-A injection for the management of synkinesis. And third group consisted of fifteen patients were received selected program of exercise for facial synkinesis.
Results. There was a significant increase of FGS measurement was in all the three groups between pre and post measurements but first group showed the more evidence of improvement. There was significant decrease HBS measurement of was in all the three groups between pre and post measurements while there was no significant difference between the three groups according to HBS measurement.
Conclusion. EMG biofeedback training therapy is as effective as the botulinum toxin A injection in reducing synkinesis and recovery of facial symmetry in Bell’s palsy. Our results may support interrelation between biofeedback training and improvement of voluntary movement of facial muscle and synkinasis. And also may support interrelation between BTX-A injection and facial symmetry.

Key words:
Bell’s palsy, EMG Biofeedback, Botulinum toxin, Synkinesis

 

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