Jorge Hugo Villafañe1, Kristin Valdes2, Carla Vanti3, Paolo Pillastrini3, Alberto Borboni4. 1. IRCCS Don Gnocchi Foundation, Milan, Italy. 2. Hand Works Therapy, Sarasota, Fla., Drexel University, Philadelphia, PA USA. 3. University of Bologna, Via U. Foscolo, 7-40123 Bologna, Italy. 4. Mechanical and Industrial Engineering Department, University of Brescia, Via Branze, 38-25123 Brescia, Italy.
Abstract
BACKGROUND: The grip strength test is widely used; however, little has been investigated about its reliability when used in elderly with subjects thumb carpometacarpal (CMC) osteoarthritis (OA). The purpose of this study was to examine the test-retest reliability of the grip strength test in elderly subjects with thumb CMC OA. METHODS: A total of 78 patients with unilateral thumb CMC OA, 84.6 % female (mean ± SD age 83 ± 5 years), were recruited. Each patient performed three pain free maximal isometric contractions on each hand in two occasions, 1 week apart. Intraclass correlation coefficient (ICC), standard error of measurement (SEM), and 95 % limits of agreement (LOA) were calculated. RESULTS: Test-retest reliability was excellent for side affected (ICC = 0.947; p = 0.001) and contralateral (ICC = 0.96; p = 0.001) thumb CMC OA. CONCLUSIONS: The present results indicate that maximum handgrip strength can be measured reliably, using the Jamar hand dynamometer, in patients with thumb CMC OA, which enables its use in research and in the clinic to determine the effect of interventions on improving grip.
BACKGROUND: The grip strength test is widely used; however, little has been investigated about its reliability when used in elderly with subjects thumb carpometacarpal (CMC) osteoarthritis (OA). The purpose of this study was to examine the test-retest reliability of the grip strength test in elderly subjects with thumb CMC OA. METHODS: A total of 78 patients with unilateral thumb CMC OA, 84.6 % female (mean ± SD age 83 ± 5 years), were recruited. Each patient performed three pain free maximal isometric contractions on each hand in two occasions, 1 week apart. Intraclass correlation coefficient (ICC), standard error of measurement (SEM), and 95 % limits of agreement (LOA) were calculated. RESULTS: Test-retest reliability was excellent for side affected (ICC = 0.947; p = 0.001) and contralateral (ICC = 0.96; p = 0.001) thumb CMC OA. CONCLUSIONS: The present results indicate that maximum handgrip strength can be measured reliably, using the Jamar hand dynamometer, in patients with thumb CMC OA, which enables its use in research and in the clinic to determine the effect of interventions on improving grip.
Entities:
Keywords:
Carpometacarpal osteoarthritis; Grip strength; Test–retest; Thumb
Authors: Ton A R Schreuders; Marij E Roebroeck; Janine Goumans; Johan F van Nieuwenhuijzen; Theo H Stijnen; Henk J Stam Journal: Phys Ther Date: 2003-09
Authors: Nathan P Wages; Janet E Simon; Leatha A Clark; Shinichi Amano; David W Russ; Todd M Manini; Brian C Clark Journal: BMC Geriatr Date: 2020-07-28 Impact factor: 3.921