2013
DOI: 10.1590/s1807-55092013005000017
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Teste de força de preensão manual: estudo da fadiga mioelétrica do flexor radial do carpo e flexor superficial dos dedos

Abstract: Um protocolo de força de preensão manual (FPM) em degraus de intensidade foi empregado para estudo da fadiga dos músculos flexor radial do carpo (FRC) e flexor superficial dos dedos (FSD) por meio do registro da força de preensão sustentada. Foi feita a análise do sinal eletromiográfico de superfície destes músculos no domínio do tempo e da frequência de 2kHz. Foi utilizado um dinamômetro eletrônico e um conversor analógico-digital de 16 bits. Participaram deste estudo 12 indivíduos saudáveis, ativos e destros… Show more

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Cited by 3 publications
(4 citation statements)
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“…Em relação à FPM, não houve diferença significativa em nenhum momento das análises, contudo, o estudo de Baptista et al (2013) verificou o torque de PM com cargas submáximas de contração voluntária isométrica máxima, entre 20%, 40% e 60%. Os resultados apresentaram fadiga no músculo flexor radial do carpo com a intensidade de 60%.…”
Section: Discussionunclassified
“…Em relação à FPM, não houve diferença significativa em nenhum momento das análises, contudo, o estudo de Baptista et al (2013) verificou o torque de PM com cargas submáximas de contração voluntária isométrica máxima, entre 20%, 40% e 60%. Os resultados apresentaram fadiga no músculo flexor radial do carpo com a intensidade de 60%.…”
Section: Discussionunclassified
“…The hand is one of the most important parts of the human body, distinguishing humans from other animals by peculiar grip movement, that can be by fingers flexion -the strength grip -and by approximation of thumb and second finger -the precision grip (Lima et al, 2014;Baptista et al, 2013). The hand permits to make movements that involve high levels of strength to sustain or minimal strength to manipulate objects in exercises that demand precision (Lima et al, 2014).…”
Section: Introductionmentioning
confidence: 99%
“…The hand permits to make movements that involve high levels of strength to sustain or minimal strength to manipulate objects in exercises that demand precision (Lima et al, 2014). Handgrip is essential in different daily and sportiness activities (Baptista et al, 2013).…”
Section: Introductionmentioning
confidence: 99%
“…Το χέρι επιτρέπει να γίνονται κινήσεις που συνεπάγονται υψηλά επίπεδα δύναμης για να διατηρήσουν ή να χειριστούν αντικείμενα σε ασκήσεις που απαιτούν ακρίβεια (Lima et al, 2014) όπως ο στίβος μάχης των ναυτικών εμποδίων. Δεδομένο είναι ότι η λαβή με τα χέρια είναι απαραίτητη σε διάφορες καθημερινές και αθλητικές δραστηριότητες (Baptista et al, 2013) και ότι η δύναμη στην πηχεοκαρπική έχει σημαντικό ρόλο στην μεταφορά βάρους (Bilzon et al, 2002;Leyk et al, 2007;Leyk et al, 2006). Συγκεκριμένα τα καθήκοντα στον στρατό που περιλαμβάνουν δύναμη στο χέρι είναι η μεταφορά φορείου και στρατιωτικού εξοπλισμού η οποία δείχνει να επηρεάζεται από την άλιπη σωματική μάζα (Leyk et al, 2007).…”
Section: άσκηση με αντιστάσεις και δύναμηunclassified