Electromyographic Activity of the Upper Limb in Three Hand Function Tests

Objective/Background: Occupational therapists usually assess hand function through standardised tests, however, there is no consensus on how the scores assigned to hand dexterity can accurately measure hand function required for daily activities and few studies evaluate the movement patterns of the...

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Main Authors: Natália Sanches Silva (Author), Pedro Henrique Tavares Queiroz de Almeida (Author), Paulo Vinícius Braga Mendes (Author), Caio Sadao Medeiros Komino (Author), José Marques Novo Jùnior (Author), Daniel Marinho Cezar Da Cruz (Author)
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Published: SAGE Publishing, 2017-06-01T00:00:00Z.
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001 doaj_8a11c46b432f4784a3cf19b3f67b4a29
042 |a dc 
100 1 0 |a Natália Sanches Silva  |e author 
700 1 0 |a Pedro Henrique Tavares Queiroz de Almeida  |e author 
700 1 0 |a Paulo Vinícius Braga Mendes  |e author 
700 1 0 |a Caio Sadao Medeiros Komino  |e author 
700 1 0 |a José Marques Novo Jùnior  |e author 
700 1 0 |a Daniel Marinho Cezar Da Cruz  |e author 
245 0 0 |a Electromyographic Activity of the Upper Limb in Three Hand Function Tests 
260 |b SAGE Publishing,   |c 2017-06-01T00:00:00Z. 
500 |a 1569-1861 
500 |a 10.1016/j.hkjot.2016.11.003 
520 |a Objective/Background: Occupational therapists usually assess hand function through standardised tests, however, there is no consensus on how the scores assigned to hand dexterity can accurately measure hand function required for daily activities and few studies evaluate the movement patterns of the upper limbs during hand function tests. This study aimed to evaluate the differences in muscle activation patterns during the performance of three hand dexterity tests. Methods: Twenty university students underwent a surface electromyographic (sEMG) assessment of eight upper limb muscles during the performance of the box and blocks test (BBT), nine-hole peg test (9HPT), and functional dexterity test (FDT). The description and comparison of each muscle activity during the test performance, gender differences, and the correlation between individual muscles' sEMG activity were analysed through appropriate statistics. Results: Increased activity of proximal muscles was found during the performance of BBT (p < .001). While a higher activation of the distal muscles occurred during the FDT and 9HPT performance, no differences were found between them. Comparisons of the sEMG activity revealed a significant increase in the muscle activation among women (p = .05). Strong and positive correlations (r > .5; p < .05) were observed between proximal and distal sEMG activities, suggesting a coordinate pattern of muscle activation during hand function tests. Conclusion: The results suggested the existence of differences in the muscle activation pattern during the performance of hand function evaluations. Occupational therapists should be aware of unique muscle requirements and its impact on the results of dexterity tests during hand function evaluation. 
546 |a EN 
690 |a surface electromyography 
690 |a functional assessment 
690 |a occupational therapy 
690 |a standardised hand function tests 
690 |a upper limbs 
690 |a Therapeutics. Pharmacology 
690 |a RM1-950 
655 7 |a article  |2 local 
786 0 |n Hong Kong Journal of Occupational Therapy, Vol 29, Iss C, Pp 10-18 (2017) 
787 0 |n http://www.sciencedirect.com/science/article/pii/S1569186116300110 
787 0 |n https://doaj.org/toc/1569-1861 
856 4 1 |u https://doaj.org/article/8a11c46b432f4784a3cf19b3f67b4a29  |z Connect to this object online.