Deficits underlying handgrip performance in mildly affected chronic stroke persons

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 Deficits underlying handgrip performance in mildly affected chronic stroke persons

Topics in Stroke Rehabilitation , Volume 28(3) , Pgs. 190-197.

NARIC Accession Number: J86312.  What's this?
ISSN: 1074-9357.
Author(s): Prados-Román, Esther ; Cabrera-Martos, Irene ; López-López, Laura ; Rodríguez-Torres, Janet ; Torres-Sánchez, Irene ; Ortiz-Rubio, Araceli ; Valenza, Marie C..
Publication Year: 2021.
Number of Pages: 8.

Abstract: 

Study evaluated maximal handgrip strength, fatigue resistance, grip work, and muscle fatigue in people mildly affected by chronic stroke. Twenty individuals, mildly affected after a first unilateral ischemic/hemorrhagic chronic stroke that had occurred more than 6 months previously and with arm motor impairment, and 20 sex- and age-matched controls were included. The outcomes assessed were maximal handgrip strength, evaluated through maximal voluntary contraction; fatigue resistance, defined as the seconds during which grip strength dropped to 50 percent of its maximum; and grip work, which was calculated using the equation grip work = maximal grip strength x 0.75 x fatigue resistance. Muscle fatigue was assessed using surface electromyography during a sustained contraction over 50 percent of maximal voluntary contraction. The subjects with stroke demonstrated significantly reduced handgrip performance regarding maximal handgrip strength, resistance to fatigue, grip work, and muscle fatigue for the contralesional hand. In addition, a reduced grip resistance and muscle fatigue was shown for the ipsilesional hand compared with controls. No effect was found of the hemispheric side of the lesion on the grip performance measures assessed. Findings provide evidence that handgrip performance remain impaired after 6 months after stroke and may serve as a target for interventions to improve these abilities after stroke.
Descriptor Terms: DEXTERITY, FUNCTIONAL LIMITATIONS, LIMBS, MUSCULAR IMPAIRMENTS, STROKE.


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Citation: Prados-Román, Esther , Cabrera-Martos, Irene , López-López, Laura , Rodríguez-Torres, Janet , Torres-Sánchez, Irene , Ortiz-Rubio, Araceli , Valenza, Marie C.. (2021). Deficits underlying handgrip performance in mildly affected chronic stroke persons.  Topics in Stroke Rehabilitation , 28(3), Pgs. 190-197. Retrieved 6/22/2021, from REHABDATA database.