2017
DOI: 10.1590/1809-2950/17328524012017
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Fadiga dos músculos extensores do punho diminui a força de preensão palmar

Abstract: RESUMO O objetivo deste estudo foi avaliar os efeitos de um protocolo de fadiga dos músculos extensores de punho na força de preensão e da pinça lateral através da dinamometria e eletromiografia de superfície (EMG). Foram selecionados 40 indivíduos do sexo masculino, divididos em dois grupos: preensão ou pinça lateral. O protocolo de fadiga foi baseado no teste de 1 Repetição Máxima (1-RM), seguido da realização do movimento de extensão de punho repetidas vezes com carga de 75% da 1-RM. Os voluntários realizar… Show more

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Cited by 9 publications
(7 citation statements)
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“…A relation of similarity of the muscular activation pattern can be observed in the displacement phase in the two conditions (with and without the orthosis), since there was no significant difference of activation in any of the muscles in that phase when comparing both conditions. It is due to the fact that during this phase, the wrist stabilization occurs not only because of the presence of the orthosis, but also because of the synergism of the forearm musculature required for any transport activity, allowing an isometric and stable contraction 27 . Therefore, the displacement phase is less influenced by the presence or absence of the orthosis, and it is a probable justification for the data obtained.…”
Section: Discussionmentioning
confidence: 99%
“…A relation of similarity of the muscular activation pattern can be observed in the displacement phase in the two conditions (with and without the orthosis), since there was no significant difference of activation in any of the muscles in that phase when comparing both conditions. It is due to the fact that during this phase, the wrist stabilization occurs not only because of the presence of the orthosis, but also because of the synergism of the forearm musculature required for any transport activity, allowing an isometric and stable contraction 27 . Therefore, the displacement phase is less influenced by the presence or absence of the orthosis, and it is a probable justification for the data obtained.…”
Section: Discussionmentioning
confidence: 99%
“…Menurut penelitian Souza dkk tahun 2017 latihan isometric strengthening wrist berguna untuk mengaktifkan latihan gerakan seperti pinch grip lateral dan sebagai aktivator otot ekstensor pergelangan tangan pada jari-jari lansia. 15 Menurut penelitian Holmes dkk tahun 2017 bahwa latihan isometric strengthening wrist dilakukan selama 5 minggu dengan frekuensi 3 kali dalam satu minggu dan menurut Bhardwaj dkk tahun 2011 dilakukan selama 5 detik dengan jeda waktu istirahat 10 detik telah terbukti signifikan dalam penelitian ini. 9,16 Meningkatkan kekuatan otot genggam adalah salah satu program pemeliharan kesehatan, maka dari itu perlu dilakukan untuk membantu meningkatkan aktivitas fungsional pada lansia.…”
Section: Perbedaan Sebelum Dan Sesudah Melakukan Latihan Kekuatan Otot Genggam Isometric Strengthening Wristunclassified
“…Hasil ini serupa dengan penelitian Souza dkk pada tahun 2017 bahwa setelah dilakukannya latihan kekuatan otot genggam Isometric Strengthening Wrist dapat meningkatkan aktivitas fungsional pada lansia. 15…”
Section: Perbedaan Nilai Selisih Kemampuan Aktivitas Fungsional Lansia Pada Kelompok Hand Gripper Exercise Dan Isometric Strengthening Wrunclassified
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“…In this movement the operator flexes the wrist by manipulating the stapler in the assembly of the furniture structures. This occurs in the radiocarpal joint and its repeated execution may result in musculoskeletal dysfunctions, such as lateral epicondylitis [16,18]. According to the Latko scale, worker hands activity was classified as level 8, indicating that the results predispose workers to a very significant risk of developing Repetitive Strain Injuries and Work Related Musculoskeletal Disorders.…”
Section: Fig 1 Palmar Prehension (A); Flexion Of the Index Finger (mentioning
confidence: 99%