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Reliability of maximal grip strength measurements and grip strength recovery following a stroke
Anne Martine Bertrand1, Katia Fournier2, Marie-Gabrielle Wick Brasey3
1Haute école de travail social et de la santé, EESP, University of Applied Sciences and Arts Western Switzerland, Chemin des Abeilles 14, 1010 Lausanne, Switzerland.
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.
