Use Of Electromyographic Biofeedback Research Articles

Neuromuscular Rehabilitation of the Brachioradialis Muscle after Distal Radius Fracture in Two Professional Soccer Players Using Electromyographic Biofeedback

The use of electromyographic biofeedback (EMG-BF) in the rehabilitation of injuries has been widely referenced in the psychological literature. However, despite some pioneering work in the field of sports, its use in the rehabilitation of sports injuries has hardly been explored. A case of two professional soccer players who each suffered a distal radius fracture is presented here. Parallel to the rehabilitation plan established by medical services, an intervention strategy using EMG-BF was established. An EMG-BF intervention was performed on the brachioradialis muscle with the aim of improving the voluntary control of its electromyographic activity. The study protocol was registered with the identifier NCT05376072. An ABA design was used. In each session, a pre- and postline was recorded to determine the EMG gain acquired at each point of the session. After six sessions, the intervention was terminated. One more follow-up session was performed. The results obtained indicated the efficacy of the intervention; a statistically significant increase in muscle activity in the brachioradialis muscle was observed.

Effectiveness of pelvic floor muscle training with and without electromyographic biofeedback for urinary incontinence in women: multicentre randomised controlled trial

ObjectiveTo assess the effectiveness of pelvic floor muscle training (PFMT) plus electromyographic biofeedback or PFMT alone for stress or mixed urinary incontinence in women.DesignParallel group randomised controlled trial.Setting23 community and...

Intrinsic foot muscle strengthening exercises with electromyographic biofeedback achieve increased toe flexor strength in older adults: A pilot randomized controlled trial

BackgroundToe flexor strength is important for preventing older adults from falling. Although intrinsic foot muscles are the main determinants of toe flexor strength, exercises for strengthening these muscles are difficult for older adults. This study therefore aimed to determine whether the use of electromyographic biofeedback helps older adults to perform intrinsic foot muscle strengthening exercises. MethodsThis randomized controlled trial had two parallel arms. Participants were randomly allocated to the control group or the electromyographic biofeedback group. Control participants performed two progressive intrinsic foot muscle strengthening exercises twice a week for 6 weeks. Participants in the other group performed these exercises assisted by electromyographic biofeedback. Primary outcome measures were changes in toe flexor strength and the timed up-and-go and functional reach tests (the latter two being balance tests). FindingsAltogether, 23 older adults were randomized to the control group (n = 12) or the electromyographic biofeedback group (n = 11). After the 6-week intervention, toe flexor strength on the dominant side increased in both groups (P < 0.017). However, toe flexor strength on the nondominant side increased only in the electromyographic biofeedback group (P < 0.017), with a large effect size of 1.5. There were no changes in the two balance tests. Three of the control group and two of the electromyographic biofeedback group were lost to follow- up. InterpretationOur results indicate that, the use of electromyographic biofeedback can enhance the effect of intrinsic foot muscle strengthening exercises on the nondominant side in older adults.Clinical trial registration number: UMIN000036521.

Biofeedback eletromiográfico no tratamento das disfunções orofaciais neurogênicas: revisão sistemática de literatura

RESUMO Objetivo Investigar se o uso do biofeedback eletromiográfico na terapia voltada às funções orofaciais (expressão facial, mastigação, deglutição, fonação e fala) produz efeitos benéficos para os indivíduos com doenças neurológicas. Estratégia de pesquisa Foi realizada busca nas bases de dados MEDLINE, LILACS e SciELO, por meio dos descritores “electromyographic biofeedback”, “swallowing”, “speech” “chewing”, “phonation”, e “facial expression”. A busca nas bases de dados e a seleção dos artigos foram realizadas independentemente, por duas pesquisadoras e, nos casos de não concordância, houve discussão fundamentada nos critérios de inclusão e exclusão para que chegassem a um consenso. Critérios de seleção Foram incluídos estudos experimentais em seres humanos, em inglês e português, que descreveram e discutiram a utilização do biofeedback eletromiográfico no tratamento das alterações das funções orofaciais provenientes de doenças neurológicas. Resultados Foram encontrados 175 artigos, sendo que somente 10 se adequaram aos critérios de inclusão. A maioria dos trabalhos relacionou-se a estudo de caso, seguido por estudos de série de casos, caso controle e ensaio clínico randomizado. A maior parte dos artigos abordou a aplicação da terapia com biofeedback eletromiográfico na função da deglutição, seguida da função da fala e apenas um artigo utilizou esta modalidade de tratamento na terapia para melhora da expressão facial. Não foram encontrados estudos que abordassem o tratamento fonoaudiológico utilizando o biofeedback eletromiográfico em pacientes com doenças neurológicas, nas funções de fonação e mastigação. Conclusão O uso do biofeedback eletromiográfico na terapia voltada às funções orofaciais pode produzir efeitos benéficos para os indivíduos com doenças neurológicas, nas funções de deglutição, fala e expressão facial.

Lack of influence of EMG biofeedback in relaxation training for spasmodic torticollis

Reports in the American and Japanese literature have suggested that electromyographic (EMG) biofeedback is effective in the treatment of spasmodic torticollis but no conclusive evidence has been reported from controlled studies. A controlled study was therefore undertaken in 11 subjects with spasmodic torticollis. Five patients were randomly allocated to a course of television- monitored relaxation while the remaining six were treated with television- monitored relaxation plus EMG biofeedback. The effects of intervention were assessed by questionnaires, clinical assessment and measurement of integrated EMG activity in both sternomastoid muscles during a five-minute observation period under controlled conditions. The subjects' range of voluntary neck movements and their capacity to suppress their involuntary movements were measured using a computer-assisted movement detection system (Coda 3, Charnwood Dynamics) and standardized videotape recordings, the latter being assessed by two experienced clinicians who did not know the sequence of the recordings. Subjective improvements in symptoms were reported in both groups of subjects, who appeared to gain from the opportunity to discuss harrowing aspects of their experience. However, these subjective results were not associated with any significant changes in the objective measures used and thus provided no support for the use of EMG biofeedback in torticollis.

EMG Biofeedback as Treatment for Patellofemoral Pain Syndrome

Patellofemoral pain syndrome may be classified as a dysfunction of the patella's ability to track in the femoral groove. This study identifies an effective treatment approach for patellofemoral pain syndrome. The approach integrates the concept of improved patellar tracking through selective enhancement of the vastus medialis oblique muscle with conventional exercise regimens for patellofemoral pain syndrome. Six patellofemoral pain syndrome patients were enrolled in a three-phase electromyographic biofeedback and exercise program: 1) biofeedback orientation and instruction in isometric quadriceps contractions, straight leg raises, and a home program; 2) biofeedback training for vastus medialis oblique enhancement with isometric quadriceps contractions, straight leg raises, terminal knee extensions, and progressive resistive exercises; and 3) incorporation of increased vastus medialis oblique activity in functional patterns of movement. All six patients learned to alter their vastus medialis oblique activity through the use of this treatment approach. The alteration of vastus medialis oblique activity resulted in an apparent change in the patellofemoral forces and a concomitant decrease in the patients' complaints of pain. These patients were able to return to pain-free functional activities in only six to nine treatment sessions within a 4- to 6-week period. The use of electromyographic biofeedback coupled with a graded exercise program is an efficient and effective treatment approach for patellofemoral pain syndrome patients.J Orthop Sports Phys Ther 1984;6(2):95-103.

Use of EMG Biofeedback

I was pleased to read the case report on “Use of Electromyographic Biofeedback During the Acute Phase of Spinal Cord Injury” in Physical Therapy (March 1982). Personal unpublished experiences while on the staff of the Spinal Cord Injury Service, Veterans Administration Medical Center, West Roxbury, MA, with application of Cyborg's EMG Biofeedback J33 (Cyborg Corporation, 55 Chapel Street, Newton, MA 02158) for patients during acute stage of spinal cord injury showed the instrument's value as an adjunct to daily bedside programs to improve joint range of motion and muscle strength. Its usefulness in muscle reeducation and improved awareness by patients for specific motor activity with subsequent psychological benefits was observed.

Use of electromyographic biofeedback and cue-controlled relaxation in the treatment of test anxiety.

Use of electromyographic biofeedback and cue-controlled relaxation in the treatment of test anxiety.

Use of electromyographic biofeedback and cue-controlled relaxation in the treatment of test anxiety.

Use of electromyographic biofeedback and cue-controlled relaxation in the treatment of test anxiety.

The Use of Electromyographic Biofeedback in the Control of Hyperactivity

A 6 1/2-year-old hyperactive boy was taught to reduce his muscular activity and tension through the use of electromyographic biofeedback for 11 sessions. The child was instructed to turn off a tone which signaled the presence of muscular tension. Muscular tension and activity decreased both within and across sessions. A follow-up session after a seven-month interval indicated that he continued to be able to control hyperactivity. Improvement was seen in the child's behavior in class and at home as long as he continued to practice and use, both at home and at school, the techniques he had learned in the laboratory. The child also improved a range of 25 to 56 months on four subtests of the ITPA. Improvement also occurred on a group-administered achievement test at school. These gains would indicate that pretest scores were depressed by hyperactivity and poor attention. There was also improvement in self-confidence and self-concept.