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Assessment Of Inter-Instrument Reliability For Dominant Handgrip Dynamometry And Spirometry, Nnamdi Mgbemena, Anne Jones, Anthony Leicht
Assessment Of Inter-Instrument Reliability For Dominant Handgrip Dynamometry And Spirometry, Nnamdi Mgbemena, Anne Jones, Anthony Leicht
Internet Journal of Allied Health Sciences and Practice
Purpose: The aim of this study was to determine the inter-instrument reliability of different dynamometers and spirometers commonly used in clinical practice. Methods: The study involved 113 healthy volunteers across three facility sites. At each site, dominant handgrip strength (DHGS), and lung function (forced expiratory volume in one second [FEV1], forced vital capacity [FVC] and peak expiratory flow rate [PEFR]), were compared using a local and reference device. Assessments were randomized with five minutes rest between measurements. Significant differences between devices were assessed using paired t-test while relative reliability between devices was determined via intra-class correlations (ICC). Accuracy …