ArticleJournal of rehabilitation medicine2026
Responsiveness of the K-Force Grip Dynamometer in patients with ICU-acquired weakness: a prospective longitudinal study.
Article in Journal of rehabilitation medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
objectiveHandgrip strength is commonly used to assess muscle strength in critically ill patients, including those with intensive care unit-acquired weakness. While the reliability and validity of the K-force grip dynamometer have been established, its responsiveness remains unknown. This study evaluated the responsiveness of handgrip strength measured with the K-force grip dynamometer in intensive care unit-acquired weakness patients.
methodsIn this prospective longitudinal study, intensive care unit-acquired weakness patients were assessed at baseline and after 1 week. Responsiveness was examined using effect sizes and standardized response means. The Medical Research Council sum score was included as a clinical comparator of global measure strength. Changes over time were analysed using Wilcoxon signed-rank tests.
resultsThirty-six patients were included. Dominant handgrip strength increased from 2650 g to 3450 g, with an effect size of r = 0.86 and standardized response means of 0.77 (p < 0.001). Non-dominant handgrip strength increased from 2,700 g to 3,783 g, with an effect size of r = 0.90 and SRM of 0.70 (p < 0.001). Medical Research Council sum score increased from 26.5 to 30.0 (p < 0.001).
conclusionThe K-force grip dynamometer demonstrated strong responsiveness in patients with intensive care unit-acquired weakness, supporting its use for detecting short-term changes in handgrip strength in critically ill patients.
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