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Authors
Advisor(s)
Abstract(s)
Com o presente estudo pretendeu-se: (1) verificar se a ligadura funcional para
a lesão da articulação Acrómio-Clavicular (AC), descrita por Chanussot e Danowski
(2001), contribui para o restabelecimento da força muscular num paciente com lesão
grau III; e, (2) observar se a ligadura funcional altera o padrão electromiográfico dos
principais músculos superficiais do complexo articular do ombro: infra-espinhoso,
deltóide anterior, grande peitoral, trapézio superior e trapézio inferior.
Efectuou-se assim um estudo de caso do tipo observacional, descritivo
transversal.
Para avaliação da força muscular foi utilizado um dinamómetro isocinético e
para a avaliação do nível de activação de fibras musculares foi utilizada a EMG de
superfície. Os movimentos em análise foram os de rotação interna e externa, a 60º/s
e 180º/s.
Os resultados revelaram, na presença de ligadura, um aumento do Peak
Torque dos rotadores internos, assim como da actividade do grande peitoral e
trapézio inferior. Constatou-se ainda uma diminuição do Peak Torque e da
percentagem do Root Mean Square do trapézio inferior, trapézio superior e grande
peitoral, do ombro esquerdo, sem ligadura, quando comparado com o ombro
contralateral.
A ligadura funcional, numa entorse da acromio-clavicular grau III, poderá
contribuir para a recuperação de força muscular e activação de fibras musculares.
The present study aims to: determine if the functional bandage of Chanussot and Danowski (2001) for acromioclavicular (AC) joint contributes to the restoration of strength in a patient with grade III lesion, and (2) observe if the functional bandage alters the pattern of electromyographic of the principal’s superficial muscles of the shoulder: infra-spinatus, anterior deltoid, pectoralis major, upper trapezius and lower trapezius. This study was a descriptive and cross-sectional investigation through a case study. To evaluate muscle strength was used an isokinetic dynamometer and to assess the level of activation of muscle fibers were used surface EMG. The movements in question were the internal and external rotation, at 60º/s and 180º/s. With the presence of functional bandage, the results showed an increase in Peak Torque of internal rotators, and an increase of muscle activity of pectoralis major muscles and lower trapezius, It was still possible to see a decrease of Peak Torque and Root Mean Square (RMS) percentage of the lower trapezius, upper trapezius and pectoral major when we compared the left shoulder without bandage with the right shoulder. We find that bandage, in a acromio-clavicular sprain, may be important for recovery muscle strength and activation of muscle fibers.
The present study aims to: determine if the functional bandage of Chanussot and Danowski (2001) for acromioclavicular (AC) joint contributes to the restoration of strength in a patient with grade III lesion, and (2) observe if the functional bandage alters the pattern of electromyographic of the principal’s superficial muscles of the shoulder: infra-spinatus, anterior deltoid, pectoralis major, upper trapezius and lower trapezius. This study was a descriptive and cross-sectional investigation through a case study. To evaluate muscle strength was used an isokinetic dynamometer and to assess the level of activation of muscle fibers were used surface EMG. The movements in question were the internal and external rotation, at 60º/s and 180º/s. With the presence of functional bandage, the results showed an increase in Peak Torque of internal rotators, and an increase of muscle activity of pectoralis major muscles and lower trapezius, It was still possible to see a decrease of Peak Torque and Root Mean Square (RMS) percentage of the lower trapezius, upper trapezius and pectoral major when we compared the left shoulder without bandage with the right shoulder. We find that bandage, in a acromio-clavicular sprain, may be important for recovery muscle strength and activation of muscle fibers.
Description
Keywords
Entorse acrómio-clavicular Ligadura funcional Força muscular Padrão electromiográfico Acromioclavicular sprain Bandage Muscle strength Electromyographic pattern
Citation
Publisher
Instituto Politécnico do Porto. Escola Superior de Tecnologia da Saúde do Porto