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. 2015 Oct-Dec;28(4):356-62; quiz 363.
doi: 10.1016/j.jht.2015.04.004. Epub 2015 May 9.

Reliability of maximal grip strength measurements and grip strength recovery following a stroke

Anne Martine Bertrand  1 , Katia Fournier  2 , Marie-Gabrielle Wick Brasey  3 , Marie-Laure Kaiser  3 , Rolf Frischknecht  4 , Karin Diserens  5
Affiliations

Reliability of maximal grip strength measurements and grip strength recovery following a stroke

Anne Martine Bertrand et al. J Hand Ther. 2015 Oct-Dec.

Abstract

Study design: Clinical measurement.

Purpose: The test-retest reliability of maximal grip strength measurements (MGSM) is examined in subjects for 12 weeks post-stroke together with maximal grip strength recovery and the maximal-grip and upper-extremity strength measurements' relationship with capacity and performance test scores.

Methods: A Jamar dynamometer and the Motricity Index (MI) were used for strength measurements. The Chedoke Arm and Hand Activity Inventory and ABILHAND questionnaire for evaluating capacities and performances.

Results: MGSM were reliable (Intraclass Correlation Coefficients = 0.97-0.99, Minimal Detectable Differences = 2.73-4.68 kg). Among the 34 participants, 47% did not have a measurable grip strength one week post-stroke but 50% of these recovered some strength within the first eight weeks. The MGSM and MI scores were correlated with scores of tests of capacity and performance (Spearman's Rank Correlation Coefficients = 0.69-0.94).

Conclusions: MGSM are reliable in the first weeks after a stroke.

Level of evidence: N/A.

Keywords: Grip strength; Reliability; Stroke; Upper extremity.

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